GB 38507-2020定制16种VOC混标, Custom VOC Standard @2000 μg/mL in PT Methanol

USP 232低水平校准标准C-汞,10μg/mL 2-5%硝酸中, USP 232 Low Level Calibration Standard C-Mercury,10 μg/mL in 2-5% Nitric Acid

12种醛酮类-DNPH混标,浓度以醛酮计：200ug/ml溶于乙腈(HJ 1153-2020), Custom Derivatized Carbonyl Mix 1 @ Varied Conc. In Acetonitrile

方法608.3不同浓度的有机氯农药, 在甲醇溶液中, Method 608.3 Organochlorine Chlorine Pesticides,Varied conc. in Methanol

Cyazofamid,100 μg/mL in Acetonitrile

环磷酰胺, 100 μg/mL 乙腈溶液

2,3,7,8-Tetrabromodibenzo-p-dioxin

标准品

标准品, Perfluoro(4-methoxybutanoic) acid,2 μg/mL in Methanol

3种杀虫剂混标(环酰菌胺/螺虫乙酯/甲基硫菌灵), Nevada Cannabis Pesticide Mix 2,100 μg/mL in Acetonitrile

乙腈中35种农残混标(组7-符合GB23200.121), Custom Pesticide Standard，100 μg/mL in Acetonitrile

20种挥发性有机物混标,30000ug/mL溶于甲醇, Custom VOC Stock Mix @ 30 mg/mL in PT Methanol