水中4种有机酸溶液标准物质  4 kinds of organic acid solution reference material in water  1.2mL  

甲醇中二甲基三硫醚溶液标准物质  Solution reference material for dimethyl trisulfide in methanol  1.2mL  

钡标准溶液  Barium standard solution  50mL  

甲醇中4种苯胺类内标混合溶液标准物质  Four kinds of aniline internal standard mixed solution reference materials in methanol  1.2mL  

乙腈中敌敌畏溶液标准物质  Standard substance for dichlorvos solution in acetonitrile  1.2mL  

异辛烷中12种多氯联苯混合溶液标准物质  Reference material for 12 polychlorinated biphenyls mixed solution in isoctane  1.2mL  

三偏磷酸钠溶液标准物质  Sodium trimetaphosphate solution reference material  100mL  

甲醇中19种氯苯酚混合溶液标准物质  19 kinds of chlorophenol mixed solution standard substances in methanol  1.2mL  

甲苯中5种内标混合溶液标准物质  Five kinds of internal standard mixed solution reference material in toluene  1mL  

甲醇中醋酸氟氢可的松溶液标准物质  Reference material for fluohydrocortisone acetate solution in methanol  1.2mL