15种硝基苯类混标标准溶液  15 kinds of nitrobenzene mixed standard solution  1mL  

甲醇中7种挥发性有机物-VOC混标  Seven volatile organic-VOC mixtures in methanol  1mL  

甲醇中脱落酸溶液标准物质  Abscisic acid solution reference material in methanol  1.2mL  

水中丙烯醇溶液标准物质  Allyl alcohol solution in water reference material  1.2mL  

甲醇中盐酸西布曲明溶液标准物质  Sibutramine hydrochloride solution reference material in methanol  1.2mL  

甲醇中生物苄呋菊酯溶液标准物质  Standard substance for biobenzifurthrin solution in methanol  1.2mL  

二硫化碳中丙烯腈溶液标准物质  Standard material for carbon disulfide acrylonitrile solution  2mL  

正己烷中7种多氯联苯混合溶液标准物质  7 kinds of polychlorinated biphenyls in n-hexane  1.2mL  

甲醇中噻苯隆溶液标准物质  Thiaphenone solution standard substance in methanol  1.2mL  

10种氨基甲酸酯类农药混合标准溶液  10 kinds of carbamate pesticide mixed standard solution  1.2mL