乙醇中自定义芳烃标准150 μg/mL, Custom Aromatics Standard 150 μg/mL Ethanol

客户定制农残检测标准品, Custom Pesticide Standard @ 2000 μg/mL in Toluene

Tetrachloro-m-xylene,0.2 mg/mL in MeOH

2,4,5,6-四氯间二甲苯

2种混标甲醇丙酮,梯度浓度溶于水(HJ 895-2017), Custom VOC Standard @ Varied Conc. in water

8种VOC混标,20-100ug/mL溶于甲醇(HJ 620-2011), Custom VOC Standard @ Varied Conc.in 100% Methanol

Custom SVOC Standard @ 500ug/ml in100% dichloromethane

2种氘代多氯联苯内标(PCB 77-D6 &PCB 156-D3),100 μg/mL溶于正己烷(HJ 715-2014), Custom Labeled PCB Standard @ 100 μg/mL in Hexane

34种挥发性卤代烃混标,2000μg/mL溶于甲醇(HJ735-2015), Custom VOC Standard @ 2000 μg/mL in Methanol

客户定制农残检测标准品, Custom Pesticide Standard @ 1000 μg/mL in Acetonitrile

15种有机氯混标,100/250 ug/ml溶于丙酮(GB 5749-2006 ), Custom Pesticide Standard @ Varied Conc.in Acetone