GB/T 12690.3-2015(\u82f1\u6587\u7248)
稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分:稀土氧化物中水分量的测定 重量法
T/GDLC 024-2025
\u0413\u041e\u0421\u0422 \u0420 51477-99
Glass containers for chemical reagents and superpure substances. Specifications
\u0413\u041e\u0421\u0422 8.269-77
State system for ensuring the uniformity of measurements. Measuring glass burettes for chemical non-automatic gas analyzers. Methods and means of verification
BS 7755-4.3.2:1996
Soil quality. Biological methods. Effects of pollutants on soil flora-Method for measuring the effects of chemicals on the emergence and growth of higher plants