GB/T 6730.42-2017(\u82f1\u6587\u7248)
铁矿石 铅含量的测定 双硫腙分光光度法
GB/T 24583.5-2019(\u82f1\u6587\u7248)
钒氮合金 磷含量的测定 铋磷钼蓝分光光度法
GB/T 6730.47-2017(\u82f1\u6587\u7248)
铁矿石 铌含量的测定 氯代磺酚S分光光度法
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 6730.44-2017(\u82f1\u6587\u7248)
铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法
GB/T 36084-2018(\u82f1\u6587\u7248)
纳米技术 水溶液中铜、锰、铬离子含量的测定 紫外-可见分光光度法
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
DB51/T 2044-2015
GB/T 7717.12-2022
Acrylonitrile for industrial use—Part 12: Determination of purity and impurities—Gas chromatographic method
DB51/T 2045-2015
SH/T 1786-2015
Isoamylene for industrial use-Determination of purity and hydrocarbon impurities-Gas chromatographic method
SH/T 1782-2015
Isoprene for industrial use-Determination of purity and hydrocarbon impurities-Gas chromatographic method
GB/T 32699-2016
Test method for purity of multifunctional acrylates used for UV materials—Capillary gas chromatography
YS/T 935-2013
Standard guide for analysis and reporting the impurity content and grade of high purity metallic sputtering targets for electronic thin film applications
GB/T 7717.12-2008
Acrylonitrile for industrial use—Part 12:Determination of purity and impurities—Gas chromatographic method
\u0413\u041e\u0421\u0422 \u0420 56344-2015
Butadiene. Determination of purity and content of hydrocarbon impurities by gas chromatography method
T/CASME 012-2021
QJ 3140.1-2001