GB/T 42239.1-2022 (English Version) PDF

Standard No.: GB/T 42239.1-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 42239.1-2022

Scope: This document specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation, storage and shelf life of alkaline protease for washing. This document is applicable to the alkaline protease used in the detergent industry produced by microbial fermentation, purification and other processes.

GB/T 42239.1-2022 Referenced Document

GB 15258 General rules for preparation of precautionary label for chemicals
GB 4789.2 National Food Safety Standard Food Microbiological Inspection Determination of Total Bacterial Colony
GB 4789.3 National Food Safety Standard Food Microbiology Determination Coliform Bacteria Count
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth
GB/T 6005 Test sieves.Metal wire cloth,perforated metal plate and electroformed sheet.Nominal sizes of openings
GB/T 6368 Surface active agents.Determination of pH of aqueous solution.Potentiometric method
GB/T 6682 Water for analytical laboratory use.Specification and test methods
JJF 1070 Measurement and Inspection Rules for Net Content of Quantitatively Packaged Commodities*， 2024-04-09 Update
QB/T 2739 Preparations of standard volumetric solutions of general test methods for washing products