7种苯系物VOC混标,2000 μg/mL溶于甲醇(HJ400-2007), Custom VOC Standard @2000 μg/mL in Methanol

13种亚硝胺混标,1000 ug/mL溶于甲醇(EN 71-12:2013 ), Custom Nitrosamine Standard@ 1000 ug/mL in 100% Methanol

客户定制农残检测标准品, Custom Pesticide Standard 2 @ 1000 μg/mL in Acetonitrile

自定义替代标准@ 500μg/ mL在甲醇中, Custom Surrogate Standard @ 500 μg/mL in Methanol

客户定制农残检测标准品, Custom Pesticide Standard @ Varied conc. in Toluene:Acetonitrile

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

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

客户定制挥发性有机物标样, Custom VOC Standard@ Varied Conc.in 100% Methanol

31种半挥发性有机物混标SVOC,500ug/mL溶于甲醇, Custom SVOC Standard @ 500ug/ml in100% methanol

定制VOC标样@1000μg/ mL甲醇, Custom VOC Standard @ 1000 μg/mL in Methanol