醛酮-DNPH定制混标, Custom Carbonyl-DNPH Standard

定制硝酸标准液(100μg/ ml,甲醇溶液), Custom Nitrated Standard @ 100μg/ml in Methanol

4种亚硝胺混标(NNN、NNK、NAB、NAT), Custom Nitrosamine Standard @ 1000 μg/mL in Acetonitrile

12种氯苯类混标,100 μg/mL溶于甲醇(HJ 621-2011), Custom Chlorinated Benzene Standard100 μg/mLMethanol

定制苯系物标准品, Custom BTEX Standard 100 μg/mL Pentane

18种光引发剂混标分组二,适用于烟草检测,1000 ug/mL溶于正己烷：乙酸乙酯=30:70, Custom Esters Standard @ 1000 ug/mL in 30% Hexane 70% Ethyl acetate

10种PCB1-10氯混标,100 μg/mL溶于正己烷, Custom PCB Standard 100 μg/mL in Hexane

N-Nitrosodimethylamine D6 Standard @ 100μg/ml in PT Methanol

N-亚硝基二甲胺 D6,100μg/ mL溶于甲醇

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

定制农药标准, Custom Pesticide Standard