甲醇中盐酸那可丁溶液标准物质  Narcotine hydrochloride solution reference substance in methanol  1.2mL  

硫酸铜溶液标准物质  Copper sulfate solution reference material  500mL  

甲醇中4种亚硝胺混合溶液标准物质  Standard substance of 4 nitrosamines mixed solution in methanol  1.2mL  

乙酸乙酯中4种氯丙醇混标溶液标准物质  Four kinds of chloropropanol mixed solution reference material in ethyl acetate  1.2mL  

二硫化碳中氢化三联苯溶液标准物质  Reference material for hydrogenated triphenyl solution in carbon disulfide  2mL  

乙腈中磺胺吡唑溶液标准物质  Standard substance for sulfameprazole solution in acetonitrile  1.2mL  

甲苯中19种苯胺类化合物混合标样  Mixed standard samples of 19 aniline compounds in toluene  1.2mL  

硫酸汞溶液标准物质  Mercury sulfate solution reference material  500mL  

甲醇中3种二硝基苯混合溶液标椎物质  Three kinds of dinitrobenzene in methanol mixed solution standard substance  1.2mL  

甲醇中2种内标(1,2-二氯乙烷-d4、甲苯-d8)混合溶液标准物质  In methanol, two internal standards (1, 2-dichloroethane -d4, toluene -d8) mixed solution reference material  1.2mL