二硫化碳中苯乙烯溶液标准物质(套标)  Reference material for styrene solution in carbon disulfide  2mL  

二硫化碳中二甲苯类混合溶液标准物质  Carbon disulfide in xylene class mixed solution standard material  2mL  

甲醇中异丙苯溶液标准物质  Reference material for isopropylbenzene solution in methanol  2mL  

乙腈中双酚A-d4溶液标准物质  Bisphenol A-d4 solution reference material in acetonitrile  1.2mL  

水中三氯乙酸(三氯醋酸)溶液标准物质  Trichloroacetic acid (trichloroacetic acid) in water solution reference material  2mL  

水中二氯乙酸(二氯醋酸)溶液标准物质  Dichloroacetic acid (dichloroacetic acid) in water solution reference material  2mL  

甲醇中1,4-二氯苯-D4溶液标准物质  1, 4-dichlorobenzene -D4 solution reference material in methanol  1.2mL  

甲醇中3种二氯苯混合溶液标准物质  Three kinds of dichlorobenzene mixed solution standard substance in methanol  2mL  

甲醇中3种二氯苯混合溶液标准物质  Three kinds of dichlorobenzene mixed solution standard substance in methanol  2mL  

二硫化碳中3种氯苯类混合溶液标准物质  Carbon disulfide in three chlorobenzene mixed solution standard material  1.2mL