氯代芳香化合物标准, Custom Chloroaromatics Standard @ 1000 μg/mL in 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)

12种半挥发有机物SVOC混标,100 μg/mL溶于甲醇(优检33项), Custom Aromatics Standard 100 μg/mL Methanol

13种酮类混标(18种光引发剂混标分组一),适用于烟草检测,1000 ug/mL溶于正己烷：乙酸乙酯=30:70, Custom Ketones Standard @ 1000 ug/mL in 30% Hexane 70%Ethyl acetate

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