68C混合脂肪酸酯, Mixture 68C-Fatty Acid Ester,Varied conc. by %w/w

正构烷烃混合(C34-C44), Alkanes Mix C34-C44,0.5 mg/mL in Hexane

ICP质控样3#, ICP Quality Control Standard #3,100 μg/mL in 2-5% Nitric Acid

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

标准品, Quality Control Standard Set

2-NITRODIBENZOTHIOPHENE

2-硝基二苯并噻吩

2,8-二硝基二苯并噻吩, 2,8-Dinitrodibenzothiophene

2-氨基芴, 2-Aminofluorene

s-Triazine

1,3,5-三嗪

1-Hydroxypyrene

1-羟基芘