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

21组分酚类混标,1000 μg/mL溶于正己烷:二氯甲烷(1:1)(HJ 703-2014/HJ 711-2014), Custom Phenolics Standard @1000 μg/mL in Hexane:Dichloromethane

13种有机氯农药混标(8种有机氯+七氯、环氧七氯A、环氧七氯B、2,4-滴、六氯苯),100 μg/mL溶于正己烷：丙酮=90:10, Custom Pesticide Standard

农残检测混标16, Custom Pesticide Standard @100 ug/mL in 100%Acetone

39种有机挥发物VOC混标,1000ug/mL溶于甲醇, Custom VOC Standard @ 1000ug/ml in100% methanol