71C硫醇混合物, Mixture 71C-Mercaptan ,Varied conc. by %w/w

icp质量控制标准品, ICP Quality Control Standard #1,100 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

ICP质量控制标准设置, ICP Quality Control Standard Set

3-Nitrobiphenyl

3-硝基联苯

1,6-Dinitropyrene

1,6-二硝基芘

4-Dimethylaminoazobenzene

二甲基黄(4-二甲基氨基偶氮苯)

2-Nitrofluorene

2-硝基芴

4-Chloro-o-toluidine,100 μg/mL in AcCN

4-氯-2-甲基苯胺

4,4'-Thiodianiline,1000 μg/mL in AcCN

4,4-二氨基二苯硫醚

偶氮染料致癌物套标24种, Azo-Colorant Carcinogens Set