14种挥发性卤代烃混标,梯度浓度溶于甲醇(HJ 620-2011), Custom VOC Standard @ Varied Conc. in 100% Methanol

6种有机挥发物VOC混标(三氯苯、二氯苄、三氯苄),梯度浓度溶于正己烷, Custom VOC Standard @ Varied Conc. in 100% Hexane

18种半挥发性有机物混标,500ug/mL 溶于 二氯甲烷(80%):甲醇(20%), Custom SVOC Standard @ 500ug/ml in 80% Dichloromethane 20% Methanol

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

9种菊酯类农药混标,2000 μg/mL溶于丙酮(HJ 753-2015), Custom Pesticide Standard @ 2000μg/ml in Acetone

8种半挥发有机物混标,2000μg/mL溶于甲醇：二氯甲烷=50:50, Custom SVOC Standard 1 @ 2000μg/mL in 50% Methanol 50% Dichloromethane

客户定制有机挥发物标准品, CUSTOM VOC STANDARD @ 30000μg/ml in Methanol

客户定制标样, Custom Alcohol/Esters Standard @ Varied Conc.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

定制标准@ 1000μg/ mL在甲醇中, Custom Standard @ 1000 μg/mL in Methanol