1,1,2-Trichloropropane@ 2000 μg/ml in Methanol

1,1,2-三氯丙烷,2000 μg/mL溶于甲醇(GB 5750.8-2006)

28种地表水挥发性有机物混标,2000ug/ml溶于甲醇, Custom VOC Standard @ 2000 μg/mL in Methanol

Custom Carbonyl-DNPH Standard @ Varied Conc. in Acetonitrile

5种不同浓度甲醇的定制标样, Custom SV Standard 5 @ Varied concentration in Methanol

订制亚硝胺混标, Custom Nitrosamine Standard @Varied conc in Methanol

12种氯化苯标准品,500ug/mL溶于甲醇, Custom Chlorinated Benzene Standard @ 500ug/mL in 100% Methanol

7组分定制酚类混标, Custom Phenolics Standard Varied conc.in Methanol

标准品, Custom Esters Standard 10 mg/mL Acetonitrile

35种挥发性有机物VOC混标,2000μg/mL溶于甲醇(HJ 644-2013), Custom VOC Standard @ 2000 μg/mL in Methanol

12种亚硝胺混标,100 μg/mL溶于甲醇(EN 12868-1999/GB 24153-2009), Custom Nitrosamines Standard @ 100 μg/mL in Methanol