This standard specifies the product classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of γ-polyglutamic acid. This standard applies to γ-polyglutamic acid, which is made from starch, starch sugar or sucrose as the main raw material through microbial fermentation and used as cosmetic raw materials or agricultural raw materials. The product form is γ-polyglutamic acid hydrogen with different degrees of substitution. type and sodium type homologues.
QB/T 5189-2017 Referenced Document
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 23349 Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers*， 2020-11-19 Update
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6284 Chemical products for industrial use General method for determination of water content The loss mass on drying method
GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 9724 Chemical reagent.General rule for the determination of pH