甲醇中碘甲烷溶液标准物质  Standard substance for solution of iodomethane in methanol  1.2mL  

乙腈中9种烷基酚类化合物和双酚A混合溶液标准物质  Nine alkyl phenolic compounds and bisphenol A mixed solution in acetonitrile  1.2mL  

乙腈中9种烷基酚类化合物和双酚A混合溶液标准物质  Nine alkyl phenolic compounds and bisphenol A mixed solution in acetonitrile  1.2mL  

三乙醇胺溶液标准物质  Triethanolamine solution reference material  500mL  

甲醇中代森铵溶液标准物质  Standard substance for diethylammonium solution in methanol  1.2mL  

甲醇中3种内标(1,4-二氯苯-D4、菲-D10、?-D12)混合溶液标准物质  Methanol in the three kinds of internal standard (1, 4 - dichlorobenzene - D4, Philippines - D10, chrysene - D12) mixture standard material  1.2mL  

甲醇中9种苯系物混合溶液标准物质  Reference material of mixed solution of 9 benzene series in methanol  2mL  

甲醇中3种亚硝胺类混合溶液标准物质  Three kinds of nitrosamines in methanol mixed solution standard material  1.2mL  

甲醇中烯酰吗啉溶液标准物质  Standard substance for solution of enyl morph in methanol  1.2mL  

甲醇中烯酰吗啉溶液标准物质  Standard substance for solution of enyl morph in methanol  1.2mL