19种VOC混标 A组分,2000μg/mL溶于甲醇(HJ 734-2014), Custom VOC Standard 3A @2000 ug/mL in methanol

客户定制有机挥发物标准品, Custom VOC Standard @ 1000ug/ml in100% methanol

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

12种有机挥发物混标,1000μg/mL溶于甲醇(HJ 742-2015), Custom VOC Standard @ 1000 μg/mL in Methanol

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

10组分, Custom Pesticide Standard @ 100 μg/mL in Toluene

23种有机氯混标,1000 μg/mL溶于正己烷：甲苯=1:1(HJ 835-2017/HJ 900-2017/HJ 901-2017/HJ 912-2017), Custom Pesticide Standard @ 1000 μg/mL in 50% Hexane 50% Toluene

27种农药混标,50 μg/mL 溶于乙腈/ SV混合03(GB 23200.8-2016), Custom Pesticide/SV Mix 03

9种农药混标,50 μg/mL 溶于乙腈/ SV混合17(GB 23200.8-2016), Custom Pesticide/SV Mix 17

12种农残定制混标,100μg/ml溶于丙酮(GB 23200.7-2016), Custom Pesticide Standard @ 100μg/ml in Acetone