Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane

2,2',3,3',5,5',6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,

Anions Mix