1,3,7-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

2-Amino-4,8-naphthalenedisulfonic acid, 100mg

Sodium perfluoro-1-undecanesulfonate, 50µg/ml MeOH, 1,2ml

3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL