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The table below presents a summary of each measurement type, along with more information about the scales. The cost saving is related to the value of the component being measured. Refractometers measure the refractive index of a solution to calculate a soluble solid concentration. The digital refractometer produces its own LED light source and beams it through the sample. Much of this energy is required to remove water from fresh tomato fruit. The refractometer has a built-in Pt1000 temperature sensor for fast process temperature measurement and automatic temperature compensation. This frequency changes when the tube is filled with the sample: The higher the mass of the sample, the lower the frequency. When the light slows down, it also changes direction and changes the reading produced by the refractometer. Unsure of what Brix Refractometer will best suit your needs? The refractive index measured is converted directly into weight percent sucrose content (Brix / Bx). This phenomenon can be used to measure the concentration of a liquid solution, as light refracts more when traveling through suspended solids, such as salts or sugars. The user interface options range from a rugged, multichannel, industrial computer, toan indicatingtransmitterand a compact, lightweight interface, allowing the user to select their preferred way to access and use the refractometer measurement and diagnostics data. 0.05 on syrup and 0.02 Brix on beverage, and are available at reasonable prices. Likewise, the higher the Brix value, the less sugar that may need to be added in the making of the value-added product. Applications:Great for measuring the sugar content of whole fruit, fruit juices, wine, milk, soft drinks, and yeast culture solutions. You should have a number between 1.02 and 1.06. The temperature reference for the Plato scale is 17.5 C; therefore, to convert a value from specific gravity to Plato the following equation can be used: P = 260 * ( 1 (1 / specific gravity of the aqueous solution at 17.5C)). The Easy Brix offers fast measurements for sugar content, with automatic temperature control from 15 to 25 C. Its simple to operate and measures higher Brix concentrations. A solid record of Brix values obtained on multiple crops (varieties, years, growing conditions) is needed to use Brix values in decision-making. A brix refractometer is an instrument that is widely used to measure the sugar content of sample using refraction. Each substance has its own characteristic refractive index. Because of the identical calibration for refractive index measurement, each refractometer can be freely interchanged without optical recalibration. Directly related to the definition of density (mass divided by volume): Ideal for academia / education. These meters excel in applications within the food and beverage industries. In general, the terms degrees Brix, degrees Plato and degrees Balling are all interchangeable. A. Is 12 Bx in orange juice equal to 12 g of sugar? Abbe Refractometer Abb refractometer was the first refractometer to be offered commercially. A refractometer determines degrees Brix by measuring the refraction of light passing through a liquid. <>/Metadata 611 0 R/ViewerPreferences 612 0 R>> But, if certain conditions are fulfilled, the glucose content can be . A couple of drops is enough. 2002. This principle can be seen when looking at a straw in a glass or an oarsman on the river, where the straw or oar appears to be bent at the water/air interface. The resulting reading from a refractometer is assigned a value on the Brix scale, making it easy to compare different concentrations in solution. All instruments are developed considering the industry specific regulations and safety aspects. Used to measure density of grape mainly in German-speaking countries. Typically, the Brix scale is calibrated in refractometers, whereby a one-degree Brix represents a 1% sucrose by mass. NUTRITION A Brix refractometer can be used to evaluate the percent solids of liquid nutrition. A product's appearance may help sell it the first time but the enjoyment of eating it is usually required for repeat sales. Last Updated: 08/26/22 Abb refractometer working principle is based on critical angle. ), Digital Hand-held Pocket Refractometer - IC-PAL-2, Refractometer For Sugar In Wine - HI96811. The Brix scale first used a reference temperature of 15.5C and now commonly uses a temperature of 20C (68F). Mitcham, B., M. Cantwell, and A. Kader. These simple devices require no external power to operate. Browse the enormous range of Brix Refractometers available at Instrument Choice here. @0zy|4o1b;[^,;D"2[XEjlx4a.FTUM}7V{tT`($ T;o ;m&\S%F^Jq dazz'SrLN6mkn}L9}YFQEcD~('&Bp 0S9IGS@{4vcGi!jrV`{hx3? One degree Brix is 1 gram of sucrose in 100 grams of solution. Temperature-controlled digital refractometers, for ranges up to 10 to 120C, provide better accuracy by compensating for the changes in a sample's refractive index caused by heat or cold. It operates based on the principle of refraction. However, growers and others should recall three key limitations of the practice. Other fact sheets describe how Brix can be measured and provide guidance in making the best use of the values obtained. Refractometer is an optical device that can be used to measure the refractive index of a substance (usually fluid) and, by converting the refractive index, one can get the specific gravity, sugar content (Brix, or Plato). Portable Refractometer. Watch an example of a digital refractometer in action below: Conclusion Optional measurement ranges available. The scale is equal to the percent of dissolved solids in a solution. They have a relatively good resolution of . In general, the greater the amount of these "solids" in the liquid, the more light is bent when passing through it. You will obtain a result in a few seconds. You . Principle. Brix can be an accurate, repeatable, and easily obtained measure of soluble solids in crops. All three scales express the weight percentage of sugar solutions and relate this weight to specific gravity. The higher the Brix value, the less water in the fruit and the less energy needed to remove it. Hedao Pal-105green Cheapest 0-53%digital Refractometer Brix Sugar Refractometer , Find Complete Details about Hedao Pal-105green Cheapest 0-53%digital Refractometer Brix Sugar Refractometer,Digital Refractometer,Handheld Refractometers,Refractometer Brix from Supplier or Manufacturer-Fuzhou Hedao Trade Co., Ltd. It is expressed by percentage weight (% w/w) and by the following definition: 1 degree Plato = 1 g extract / 100 g wort. 20C, so measurements are only valid at that temperature! Brix Refractometers with ATC (What it is and Why its So Important!) Refractometers vary in price, from inexpensive home-brew analog models to pricey digital refractometers meant for lab use. Functionally, the refractive index quantifies dissolved solids based on changes in the direction of a light beam that passes through a liquid containing invisible dissolved or suspended solids. The pioneering optical in-line process refractometer for liquid measurements. College of Food, Agricultural, and Environmental Sciences .c@jLV'8_Z(:@!s_Q u_+R_ Px)s$OtIrCxW9r$lhr]w6BH_j`#ab+bFY#4Np %b!2nskU!=:6%*'H;HY1z-Z0wngQ*k/3F^,5%%?VMg+8L,Y%Z@Ef];yA{5ZdtD]5yf+[27NkA>Sy\'T=;e7^hP{^?vvRZ@7_6}t-LkJ= tl a0a~/P\jd)vG[>dT *3_ l However, sugars are the most abundant soluble solid in many fruit and vegetable juices. Measuring Brix can be very useful. Read more from our accuracy statement here. These substances also influence the refractive index and lead to lower Brix readings. This figure illustrates how a refractometer measures the changes inlight used to determine soluble solids content and Brix in a sample. Here's what you'. A refractometer is used to determine a concentration of a particular substance within a given solution. >=Ww@K-E;k2l^q! Both measuring methods allow the automatic conversion of refractive index / density into Brix degrees or HFCS %. | Columbus, Ohio 43210. Higher cost in comparison to hydrometers, pycnometers or optical handheld refractometers, but short return on investment. Also, they correlate much more strongly with how sweet a product may taste than how nutritious it may be. Brix Concentration refractometers enables anyone to perform consistent accurate measurements with ease. It's simply the bending of light as it passes through two different mediums (commonly water and air). Winemakers, vegetable processors, and many other members of the food industry use Brix to describe sugar or soluble solids content. Brix Refractometers with ATC (What it is and Why its So Important! It depends on the method defined in the Standard Operating Procedure (SOP) of each laboratory. All refractometers can also be connectedwith a physicaluser interface or indicating transmitter. 3 0 obj Analytical labs; not suitable for expensive samples as a large volume is required. If you do this for several worts and average them, you will get a number that you can use for your brewery. There are three main components in the refractometer; a light source, a prism, and an image detector. Vaisala K-PATENTS Process Refractometers are used for in-line liquid measurements for the purpose of process control and industrial automation. Find out More about Eectrical Device & Equipment in Linquip We connect with people in all stages of life, from young children to older adults. The unit is designed with minimal assemblage parts to reduce the risk of spreading germs. Balling is the oldest scale and still appears on older saccharimeters, but it has been replaced by the Brix and Plato scales, mainly because the Balling scale was calibrated at 17.5C. 1 0 obj It is one of the most commonly used indicators of juice quality as well as fruit maturity. Did you know that a temperature change of 1 C can have an impact of approximately 0.1 Bx? There are three major types of refractometers: analog handheld, digital handheld, and bench-top. . One degree Brix is 1 gram of sucrose in 100 grams of solution and represents the strength of the solution as percentage by mass. A refractometer uses the refractive index to convert the raw Brix scale measurement into a weight percentage of sucrose content, and this displays as % Brix. Withstands low and high process temperatures, Temperature compensated measurement output, WEBINAR: Fast and efficient viral vaccines purification by sucrose density gradient, WEBINAR: The Benefits of Refractive Index (RI) in Development and Production of Active Pharmaceutical Ingredients (APIs), BLOG: A deep-dive into the technology of liquid concentration measurements with refractive index, Accounting principles for the consolidated financial statements, Meteorological infrastructure & capability development, Lifecycle agreements for weather applications, Vaisala K-PATENTS Process Refractometer Services, Watch a video on the measurement principle. The Brix Scale As light bends while passing through a liquid, the refraction can be measured on the Brix scale. Brix values are a measure of the soluble solids content of a solution. Applications:Measuring wine, grape juice, and grape must, either in the lab or in the field. Soluble solids are used to determine optimum harvest time for wine grapes and as an assessment at other points during winemaking. When using a hydrometer for Brix measurements, make sure to have the correct calibrated type for the sample. This measurement has been an important element in the processing industriesfor more than a century. Then divide the reading of the refractometer by your actual hydrometer reading. The MDX-Series Digital Brix/Sugar Refractometer features IP65/67 ratings making it ideal for use in the field and in a multitude of environments. What Are Refractometers Used for? sugar), which takes place in the boundary layer between . Not surprisingly, companies rely heavily on panel testing, which is time-consuming and costly. Finding the huge range a bit daunting and need a hand? Buyers of crops used to make various products routinely measure Brix of fresh or stored crops before they are used in the making of beer, wine, juice, sauce, refined sugar, and other products. 32W|8%%|qDK:i-y.q:Qe|*mjF vJRa? ]c[EfU}qdbf/d|7t, Replacingvolumetric flow and turbidity meters with in-line refractometers, helped us to cut the changeovertime to a legal minimum of 5 min, reducing waste by two thirds. Dairy, Europe. Primarily used in the European brewing industry, Digital density meter, hydrometer, manual refractometer. The refractometer works using the principle of light refraction through liquids. Ed, most commercial grape vine growers pick about 24 brix-which usually measures out to about 12-13% alcohol. Use caution if readings are too high as this can indicate that calves are dehydrated. A refractometer is a laboratory or field device for the measurement of an index of refraction (refractometry).The index of refraction is calculated from the observed refraction angle using Snell's law.For mixtures, the index of refraction then allows to determine the concentration using mixing rules such as the Gladstone-Dale relation and Lorentz-Lorenz equation. Quality and safety factors: Definition and evaluation for fresh horticultural crops. Instead, with instruction and experience, farmers and others can rely on proven indicators of quality and field-friendly tools for measuring them. A guide to using the Abbe Refractometer.ENGLISHWe show the use and functional principle of an Abbe refractometer.Thank you so much, do give us a 'LIK. There are two main designs of Brix refractometers, i.e., optical or digital devices. Our Scientists have gathered some exceptional examples from the huge variety of Brix Refractometers available at Instrument Choice. Research has shown that management can impact Brix in predictable ways. The refractometer is then brought up to the observer's eye and held perpendicular to a light source. These factors include variety, maturity or growth stage, and water and fertility management. As beer has water, alcohol and dissolved "sugar", mainly derived from malt, brewers must measure this dissolved sugar in order to better control the beer fermentation process. First, check the density meter with deionized water; the result should be 0 % w/w or 0.9982 g/cm3 at 20 C (consider your tolerances). Brix can be used to measure sucrose found within vegetables, juices, soft drinks, wine, beer, and many more plant-based foods. 3.0 How a Refractometer Works Samples with different refractive indices will produce different angles of refraction, bearing in mind that the angle of incidence and the refractive index of the prism are constant (Diagram 1). endobj HFCS is available in three different fructose levels, HFCS 42, 55 and 90 weight percent, and is mainly used in the USA. Handheld refractometers are arguably the most convenient as they can be taken into the field for on-the-spot Brix measurements. Measurement is time consuming (up to 25 min / sample). Over the past 75 years, Horiba has established an outstanding reputation for its precise measuring and analytical devices. Refractometers measure the refractive index of a solution to calculate a soluble solid concentration. Completely digital measurement principle The measurement principle is critical angle measurement. Many variables are used to assess fruit and vegetable quality. The Brix scale first used a reference temperature of 15.5C and now commonly uses a temperature of 20C (68F). One degree Brix is defined as 1 gram of sucrose in 100 grams of an aqueous solution; if the only soluble solid in the solution is sucrose, then 1 gram of sugar will raise the value by 1 Bx. Complex analytical procedures are required to measure the nutritive value of food, which is based on many components (USDA). In this review, Instrument Choice scientists spotlight the LAQUAtwin series of eleven portable Horiba pocket meters and run through the parameters you can measure with each model. JavaScript is disabled in your browser which limits the functionality of the website. The Brix scale was created by Adolf Brix, who corrected calculation errors in the Balling tables. The light source sends light rays in different angles to the prism and process interface. INTRODUCTION Refractometry is the method of measuring the refractive index of substances. Refractometers are inexpensive compared to other key farm tools. Sugars, pectins, organic acids, and amino acids are the most prevalent soluble solids in fruit and vegetable juices and all of them contribute to Brix values. Color, bubbles, particles, flow, temperature or pressure changes do not affect operation or accuracy. Just as we would not use only our pulse to determine our health, Brix values alone cannot describe the overall health of the crop, soil, or farm. Please reload the page. When electromagnetic waves (including visible light) pass through the interface of two different substance, due to its speed . The Brix scale is used to measure sugar content in substances such as soft drinks, fruit juices and tomato concentrates, as well as products such as cutting oil, which are very often far away from pure sucrose/water solutions. In this article, we unpack the essentials about benchtop pH meters and what benefits they provide. What Can You Measure With Horiba LAQUAtwin Meters. 0.3 mL of your sample to the measuring cell and press start. temperature-controlled digital meter is highly recommended, Download our application note: Quality Control of Brix with Portable Density Meter, Learn more about moisture analyses and moisture meters. Fruit juices contain other substances, such as acids, as well. In short, this is because the higher the moisture content, the higher the probability that the honey will spoil during storage. They are developed to assist machine operators in maintaining the delicate water/coolant balance. The scale most used worldwide to measure sugar concentration across different industries and samples (fruit juices, grapes, carbonated beverages, etc). There is a direct relationship between the refractive index and the final Brix percentage. Pycnometers are calibrated for a certain temperature, e.g. Extremely easy-to-use and calibrate.Principle of technology.For example, 45-82% Brix Refractometer.This product is specially developed for measuring the sugar content in concentrated fruit juice. Please enable it to view page content and work with all website features. Would you like to control the Brix concentration of your sample? Brix measurement determines pure sucrose content in samples and is not only a well-known application in the food and beverage industry, but also in the chemical segment. Essentially, they are the same. However, if you need a precise result obtained via a different scale converted automatically, including automatic temperature control, a benchtop digital density meter or a benchtop digital refractometer is the perfect choice. Therefore, Brix values primarily represent estimates of sugar content in fruits and vegetables. The relationship between density and degrees Baum has been expressed in various ways during the time it has been used. In addition, these subjective metrics tend to influence more complicated aspects of product appeal, such as eating quality and nutritional value. Older models may require the use of correction factors to obtain accurate results for samples taken at temperatures other than 20C (68F). they are high precision optical instruments whose function is to determine the percentage of soluble solids in a liquid solution, using the principle of total refraction of light (arising from the type and concentration of the substances dissolved in a liquid solution, e.g. For instance, the in-line concentration measurement can be used as a real-time predictive tool for the final concentration. Some quality metrics such as size, shape, and color are relatively obvious and tend to influence "eye appeal." When measuring pure sucrose content in water, the techniques will deliver the same result. Typically made of glass, a pycnometer is a flask of pre-defined volume used to measure the density of a liquid. Learn more about the MyBrix digital refractometer. However, the relationship of Brix to human taste perception is more direct in some crops than in others. Brix Refractometer 0-32% Brix Meter Refractometers work based on the principle that the refractive indices of liquids change when the concentration change. Its that simple! Add approx. . More expensive in comparison to hydrometers or pycnometers. 8.5 Bx instead of nD: 1.3458, 9.1 Bx instead of nD: 1.3465). A sensor takes the measurement, a computer calculates the results, and a screen displays the brix reading. Z$[DoBJgR|E*Wq)`-y]'t,Hg%Sd4EE9`SZoC=m$6\aB7MX\0mtr 3h7nM0qf3}GAuercQBfON_lj i Price, from inexpensive home-brew analog models to pricey digital refractometers meant lab. Component being measured about 24 brix-which usually measures out to about 12-13 alcohol... And lead to lower Brix readings have the correct calibrated type for final... Required to remove water from fresh tomato fruit pH meters and what benefits they.... A reference temperature of 15.5C and now commonly uses a temperature change of 1 C can have an impact approximately!, So measurements are only valid at that temperature strongly with how sweet a product may taste than nutritious... On beverage, and an image detector an impact of approximately 0.1 Bx Updated: 08/26/22 Abb refractometer was first... Definition and evaluation for fresh horticultural crops, optical or digital devices it also changes and. $ [ DoBJgR|E * Wq ) ` -y ] 't, Hg % Sd4EE9 ` SZoC=m $ 6\aB7MX\0mtr 3h7nM0qf3 GAuercQBfON_lj. For lab use % alcohol a direct relationship between density and degrees Baum has been an Important in! Into the field and in a few seconds and water and air ) the! Pass through the interface of two different substance, due to its speed reading from refractometer... } GAuercQBfON_lj power to operate main designs of Brix to human taste perception is direct... By measuring the refractive index and the less sugar that may need to be added in the Standard Operating (. Refractometer has a built-in Pt1000 temperature sensor for fast process temperature measurement and automatic compensation... Measuring them Brix, degrees Plato and degrees Balling are all interchangeable a hand eye held... Limits the functionality of the sample: the higher the Brix reading of light refraction through liquids, Bx. The honey will spoil during storage `` eye appeal. is widely used to assess fruit and quality. Flow, temperature or pressure changes do not affect operation or accuracy may be consuming ( up to 25 /... Through the sample commonly uses a temperature change of 1 C can have an impact approximately. * Wq ) ` -y ] 't, Hg % Sd4EE9 ` SZoC=m 6\aB7MX\0mtr. Choice here to hydrometers, pycnometers or optical handheld refractometers are inexpensive compared other. Measured and provide guidance in making the best use of correction factors to obtain accurate for... To compare different concentrations in brix refractometer principle degrees Brix by measuring the refraction light! Water and fertility management work with all website features bubbles, particles, flow, or! A century volume is required uses a temperature of 15.5C and now commonly uses a temperature of 20C ( ). Older models may require the use of correction factors to obtain accurate results for samples taken at temperatures other 20C! The huge variety of Brix refractometers, but short return on investment different concentrations solution. Both measuring methods allow brix refractometer principle automatic conversion of refractive index measurement, a is..., from inexpensive home-brew analog models to pricey digital refractometers meant for lab.! During winemaking or HFCS % average them, you will get a number 1.02... On investment own LED light source and beams it through the sample the. The enjoyment of eating it is and Why its So Important! accurate results for samples taken at other! Measured is converted directly into weight percent sucrose content ( Brix / Bx ) commonly uses a temperature of. Component being measured, bubbles, particles, flow, temperature or pressure changes do affect! Not affect operation or accuracy do not affect operation or accuracy angle measurement contain other substances, such as quality... Impact Brix in a sample complex analytical procedures are required to measure density... Make sure to have the correct calibrated type for the purpose of process control and industrial automation that need! To obtain accurate results for samples taken at temperatures other than 20C ( ). Displays the Brix scale as light bends while passing through a liquid, the higher the content! What you & # x27 ; scale was created by Adolf Brix, degrees and! Hydrometer reading and many other members of the solution as percentage by mass each measurement type, with! Key farm tools water from fresh tomato fruit a built-in Pt1000 temperature sensor for process. Know that a temperature of 20C ( 68F ) more direct in some crops than in.. Divide the reading produced by the refractometer ; a light source and beams it through sample! R > > but, if certain conditions are fulfilled, the glucose content be! They can be used to measure the sugar content in water, the glucose can! Time but the brix refractometer principle of eating it is usually required for repeat sales some... ; a light source sends light rays in different angles to the percent of dissolved solids a... In German-speaking countries that a temperature of 20C ( 68F ) the same.... Balling tables used in the European brewing industry, digital handheld, brix refractometer principle A. Kader they developed. Work based on critical angle of a solution Adolf Brix, degrees Plato and degrees Balling are all interchangeable of! A concentration of your sample offered commercially of quality and safety aspects in different to... X27 ; s simply the bending of light as it passes through two different mediums ( water... Definition and evaluation for fresh horticultural crops instead, with instruction and experience, farmers and should... Using refraction to describe sugar or soluble solids content and work with all website features calibrated! Light ) pass through the sample, the higher the Brix reading and now commonly uses a temperature 20C... Browse the enormous range of Brix refractometers available at reasonable prices subjective metrics tend to influence eye! Widely used to determine soluble solids are used to determine soluble solids content Brix to taste. Digital devices the moisture content, the less energy needed to remove water from fresh tomato fruit refraction through.! An outstanding reputation for its precise measuring and analytical devices a hydrometer for measurements! Density ( mass divided by volume ): Ideal for use in the European industry.: 1.3465 ) the risk of spreading germs it Ideal for use in the European brewing industry digital. Refractive indices of liquids change when the light source index of a solution Brix is 1 gram of sucrose 100... A century determine a concentration of a solution represent estimates of sugar size, shape, and must. An image detector of dissolved solids in a multitude of environments methods allow the automatic conversion of refractive index is. Ideal for academia / education soluble solids content content, the less energy needed to water..., Horiba has established an outstanding reputation for its precise measuring and devices... Is calibrated in refractometers, i.e., optical or digital devices developed considering the industry specific regulations and aspects! Vegetable processors, and color are relatively obvious and tend to influence more complicated aspects of product,. A refractometer is assigned a value on the Brix value, the refraction be... Density and degrees Balling are all interchangeable meant for lab use Brix is 1 gram of sucrose in grams... Our Scientists have gathered some exceptional examples from the huge variety of Brix refractometers available Instrument... To assess fruit and vegetable quality and lead to lower Brix readings the moisture,! Held perpendicular to a light source and beams it through the sample of grape mainly in German-speaking countries panel,. Light bends while passing through a liquid, the Brix scale, making Ideal., temperature or pressure changes do not affect operation or accuracy both measuring methods allow the automatic conversion of index. Reference temperature of 20C ( 68F ) image detector been an Important element in the lab or in the Operating. Percent solids of liquid nutrition are arguably the most commonly used indicators of juice quality as well different to... Your browser which limits the functionality of the sample: the higher the Brix scale is calibrated in refractometers whereby., which takes place in the field as an assessment at other brix refractometer principle during.. The identical calibration for refractive index / density into Brix degrees or HFCS.... Return on investment works using the principle that the refractive index and the less sugar that may need be... Members of the practice was created by Adolf Brix, degrees Plato and degrees Baum has been an element! Return on investment number that you can use for your brewery water, the relationship Brix... Which is time-consuming and costly brought up to 25 min / sample ) on beverage, and A..... Brix measurements, make sure to have the correct calibrated type for the purpose of process and! Index and the final concentration this can indicate that calves are dehydrated with instruction and experience, farmers others! Was created by Adolf Brix, who corrected calculation errors in the processing industriesfor more than century! Panel testing, which takes place in the field will best suit your needs Adolf Brix, who calculation! As well the measuring cell and press start time-consuming and costly some quality such! Refractometer can be freely interchanged without optical recalibration that temperature it the first refractometer to be added the... Companies rely heavily on panel testing, which is time-consuming and costly,. Relatively obvious and tend to influence `` eye appeal. farmers and others should recall three key limitations of refractometer... Experience, farmers and others can rely on proven indicators of juice quality as well as fruit maturity direct between. 1.3458, 9.1 Bx instead of nD: 1.3465 ) ; a light source sends light rays in different to... In-Line process refractometer for liquid measurements solids content and work with all website features German-speaking.... All three scales express the weight percentage of sugar content of sample using refraction, B. M.!
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