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Such use of liquid masterbatches allows highly accurate dosing and quick color changes between machine runs. [3] [4] Masterbatches are highly concentrated compared to the target composition, with high "let-down ratios"; for example, often 25 kgs of a masterbatch can be used to compound one ton of base polymer. [5]
The International Commission for Uniform Methods of Sugar Analysis (ICUMSA) is an international standards body, founded in 1897, [1] [2] that publishes detailed laboratory procedures for the analysis of sugar. The ICUMSA Methods Book [3] contains detailed instructions for analyzing raw, cane, white, beet, molasses, plantation white and ...
The "dilution factor" is an expression which describes the ratio of the aliquot volume to the final volume. Dilution factor is a notation often used in commercial assays. For example, in solution with a 1/5 dilution factor (which may be abbreviated as x5 dilution ), entails combining 1 unit volume of solute (the material to be diluted) with ...
Degrees Brix (symbol °Bx) is a measure of the dissolved solids in a liquid, based on its specific gravity, and is commonly used to measure dissolved sugar content of a solution. [1] One degree Brix is 1 gram of sucrose in 100 grams of solution and represents the strength of the solution as percentage by mass .
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During a water bath, which is usually 4–10 minutes, the solution should progress through the colors of blue (with no reducing sugar present), orange, yellow, green, red, and then brick red precipitate or brown (if a high concentration of reducing sugar is present). A color change would signify the presence of a reducing sugar.
It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]
Baker's percentages do not accurately reflect the impact of the amount of gluten-forming proteins in the flour on the final product and therefore may need to be adjusted from country to country, or even miller to miller, depending on definitions of terms like "bread flour" and actual protein content. [21]