This standard specifies the method for determining the ash content of starch. This standard is applicable to raw starch and modified starch with ash content not greater than 2%, not to hydrolyzed products, oxidized starch and samples with chlorine content greater than 0.2% (expressed in sodium chloride).
GB/T 12086-1989 history
2016GB 5009.4-2016 Determination of ash content in food according to the national food safety standard