Silver Wear Metal,1000 μg/g in 75 cSt Base oil

水质检测替代金属套标, Alternate Metals for Water Std Set

替代金属套标 I, Alternate Metals Standard I,Varied conc. in 2-5% Nitric Acid

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

2,3,7,8-四溴二苯并-p-二恶英

1,4-二并(2,3,B,5,6,b')联吡啶, 1,4-Dioxino(2,3,b,5,6,b')dipyridine

亚老哥儿试剂盒, Aroclor Kit

Benzo(k)fluoranthene ,0.2 mg/mL in CH2Cl2

苯并[k]荧蒽

28种混标, Base/Neutrals-Mix 1,2.0 mg/mL in CH2Cl2

低浓度13种混标, Base/Neutrals-Mix 1,2.0 mg/mL in CH2Cl2

联苯胺&3,3'-二氯联苯胺, Benzidine &3,3'-Dichlorobenzidine,2.0 mg/mL in MeOH

16组分多环芳烃混标2000ppm(HJ 646-2013/HJ 784-2016/HJ 805-2016/HJ 892-2017/HJ 950-2018), PAH Mix,2.0 mg/mL in Dichloromethane:Benzene (50:50)