Home / Standards / GB/Z 27426-2022 GB/Z 27426-2022 Active Guidance on monitoring validity of the results for chemical analysis laboratory 化学分析实验室结果有效性监控指南 Standard Type GBZ ICS 03.120.20 CCS A00 Status 现行 Issue Date 2022-10-12 Implementation N/A Responsible Dept 国家标准委 Drafting Unit N/A