GB 1903.42-2020 Translated English of Chinese Standard. (GB 1903.42-2020, GB1903.42-2020): National Food Safety Standard - Food nutritive fortifier - Inositol (cyclohexanehexol)
https://www.chinesestandard.net, 2020年11月28日 - 13 頁
This standard applies to inositol (cyclohexanehexol), a food nutrient fortifier produced by hydrolysis of phytate calcium and magnesium (phenanthrene).
50 mL Nessler according accurate to 0.01 Accurately weigh acetic anhydride Add 10 mL Add water ammonium oxalate amount Analytical steps Weigh Apparatus Appendix arithmetic mean barium chloride solution beaker Calcium calculated according calculation The content chloroform layer Chromatographic color column constant weight cool crucible Electronic balance formula g of specimen GB/T grams g Heat high performance liquid hydrochloric acid solution identification test less let it stand mass mass fraction meet the requirements Melting point method minutes mL Nessler colorimetric mL of nitric mL of water mol/L Nessler colorimetric tube observe peak area value Place Preparation reach to 100 Reagents and materials repeatability conditions residue respectively Result calculation sample Shake slowly slowly and let sodium chloride soluble specified specimen solution standard solution Strontium acetate sulfate sulfuric acid Take temperature Testing method turbidity value of inositol volume reach Water bath water to dilute water to dissolve