GOST R 8.920-2016
確保測量一致性的國家系統. 含一氧化氮, 二氧化氮, 硫化氫, 二氧化硫, 氨的氣體混合物的有證標準物質. 計量學特性的測定程序
State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics