This document describes the preparation methods for standard solutions used in the determination of impurities in chemical reagents. This document applies to the preparation of solutions containing a precise quantity of a substance (element, ion, or molecule) per unit volume and is applicable to the determination of impurities in chemical reagents. It may be used as a reference in other fields.
Basic Data
Standard ID
GB/T 602-2026 (GB/T602-2026)
Description (Translated English)
Chemical reagent - Preparations of standard solutions for impurity
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G60
Classification of International Standard
71.040.30; 71.040.40
Word Count Estimation
22,244
Date of Issue
2026-02-27
Date of Implementation
2026-09-01
Older Standard (superseded by this standard)
GB/T 602-2002
Issuing agency(ies)
State Administration for Market Regulation, Standardization Administration of China
