This document specifies the requirements, test methods, inspection rules, marking, packaging, storage and transportation of crude sodium pyrophosphate, a by-product of vitamin A acetate. This document is applicable to the crude sodium pyrophosphate obtained by directional conversion of the aqueous solution containing diethyl phosphate sodium salt produced in the production process of vitamin A acetate at high temperature. Note: The product is mainly used for industrial purposes such as industrial phosphates, ceramic additives, coal water slurry additives, ore separation agents, oil well additives, etc. It is not used in food, feed and other fields.
T/CPCIF 0257-2023 history
2023T/CPCIF 0257-2023 By-product crude sodium pyrophosphate of vitamin A acetate