2-氯乙醇纯度标准物质  2- chloroethanol purity standard material  2mL  

氟化钾溶液标准物质  Potassium fluoride solution reference material  100mL  

二硫化碳中乙酸乙酯和乙酸丁酯混合溶液标准物质  Reference material for mixed solution of ethyl acetate and butyl acetate in carbon disulfide  1.2mL  

氨磺酸钠溶液标准物质  Sodium aminosulfonate solution reference material  100mL  

正己烷：二氯甲烷(1:1)中3种有机磷阻燃剂混合溶液标准物质  N-hexane: Standard material for mixed solution of 3 organophosphorus flame retardants in dichloromethane (1:1)  1.2mL  

氯苯中24种禁用偶氮(致癌芳香胺)混合溶液标准物质  Chlorobenzene in 24 kinds of prohibited azo (carcinogenic aromatic amine) mixed solution standard material  1.2mL  

甲醇中24种禁用偶氮(致癌芳香胺)混合溶液标准物质  24 kinds of banned azo (carcinogenic aromatic amine) mixed solution standard substances in methanol  1.2mL  

甲醇中16种邻苯二甲酸酯类混合溶液标准物质  16 kinds of reference materials for mixed solution of phthalates in methanol  1.2mL  

甲醇中卡拉花醛溶液标准物质  Standard substance for carragaldehyde solution in methanol  1.2mL  

丙酮中1,3-二丙烷磺内酯溶液标准物质  Standard substance for solution of 1,3- dipropane sulfonolactone in acetone  1.2mL