GB/T 23529-2009: Translated English of Chinese Standard. (GBT 23529-2009, GB/T23529-2009, GBT23529-2009): Trehalose
https://www.chinesestandard.net, 18 avr. 2016 - 15 pages
This Standard specifies the product classifications, requirements, test methods, inspection rules, marks, packaging, transportation and storage of trehalose. This Standard applies to the production, inspection and sales of the trehalose obtained through enzymatic conversion.
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0.5g of trehalose 5h for weighing 60°C electro-thermal absolute difference Absorbance of sample according to formula accurate to 0.1g Acetonitrile amount of samples Analysis steps WEIGH Analytical balance anhydrous trehalose arithmetic mean batch of products burned to constant Calculation results CALCULATE Chromaticity chromatographic column constant weight crystalline trehalose decimal place determination results obtained determined unqualified dilute to 50mL disaccharide Electro-thermal drying oven exit the factory GB/T grams g high temperature furnace independent determination results INLET the mobile Loss on drying marking for handling Mass of crucible Mass of weighing microporous membrane 22.214.171.124 mobile phase Molecular formula oven for 5h packages Peak area pH meter Physiochemical requirements Precision The absolute products Batch range Relative molecular mass repeatability conditions Residue on ignition results shall keep sample solution sensitivity of 0.0001g Sensory Trehalose content trehalose products Batch Trehalose standard products trehalose White turbidity type inspection wavelength of 720nm WEIGH about 0.5g weighing bottle