Diquat standard

1,2,3,6,7,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

(±)-Desmethylcitalopram HCl, 1000µg/ml in MeOH,1ml

Glycine-d5,1000 µg/mL,0.1 mol/L hydrochloric acid,1mL,