T/ZGM 019-2022 Assessment requirements for quality grading and forerunner Standard Solvent—free gel type cation exchange resin for water softening (English Version)
Suitable for enterprise standard level evaluation of drinking water softening adsorption materials. Establish an evaluation index system and evaluation method for enterprise standards, and determine the content of basic indicators and core indicators.
T/ZGM 019-2022 history
2022T/ZGM 019-2022 Assessment requirements for quality grading and forerunner Standard Solvent—free gel type cation exchange resin for water softening