残差复合材料混合, Residuals Composite Mix,5.0 mg/mL in Dichloromethane

8种有机氯农药混标 (a-BHC/b-BHC/g-BHC/d-BHC/o,p'-DDT/p,p'-DDT/p,p'-DDE/p,p'-DDD),100 μg/mL 溶于甲醇, Custom Pesticide Standard

25种挥发性有机物VOC混标,梯度浓度溶于甲醇(GB 3838-2002 ), Custom Mixed VOC Standard@ Varied conc. In Methanol

6种邻苯二甲酸酯混标,梯度浓度溶于二氯甲烷(GB 18581-2020/GB 22048-2008), Custom Phthalate Standard Varied conc Dichloromethane

标准品, Custom PCB Standard @ 100μg/ml in Hexane

Custom Mixed OC Standard

定制氯化芳烃标准溶液@ 100ug / ml己烷-50%丙酮-50%, Custom Chlorinated Aromatics Standard @100ug/ml in solvent Hexane-50% Acetone-50%

4种亚硝胺混标(NNN、NNK、NAB、NAT), Custom Nitrosamine Standard @ 1000 μg/mL in Acetonitrile

订制亚硝胺类混标, Custom Labeled Nitrosamine Standard 100 μg/mL Methanol

8种有机氯混标,100 μg/mL溶于正己烷：甲苯=90:10(HJ 921-2017), Custom Pesticide Standard 4 @ 100 μg/mL in Hexane:Toluene (90:10)