甲醇中顺式-1,3-二氯丙烯溶液标准物质  Reference material for cis-1, 3-dichloropropene solution in methanol  1mL  

甲醇中反式-1,3-二氯丙烯溶液标准物质  Reference material for trans -1,3- dichloropropylene solution in methanol  1mL  

甲醇中1,2-二溴乙烷溶液标准物质  1, 2-dibromo-ethane solution reference material in methanol  1.2mL  

甲醇中1,2-二溴乙烷溶液标准物质  1, 2-dibromo-ethane solution reference material in methanol  1.2mL  

二硫化碳中1-溴-2-氯乙烷溶液标准物质  Reference material for solution of 1-bromo-2-chloroethane in carbon disulfide  2mL  

甲醇中1,2-二氯丙烷溶液标准物质  Standard substance for 1, 2-dichloropropane solution in methanol  2mL  

甲醇中三氯甲烷、四氯化碳溶液(混合标样)  Solution of trichloromethane and carbon tetrachloride in methanol (mixed standard sample)  2mL  

甲醇中四氯化碳(标样)  Carbon tetrachloride in methanol (standard sample)  2mL  

甲醇中四氯化碳(标样)  Carbon tetrachloride in methanol (standard sample)  2mL  

甲醇中四氯化碳(标样)  Carbon tetrachloride in methanol (standard sample)  2mL