TOC standard, 200mg/l in H2O, 500ml Back Catalog number: 260-000-152 Availability: In the manufacturer's stock Price on request - + Recommended 673704 Terbuthylazine, 100 µg/ml, Ethyl acetate, 5ml Price on request 8640.12-50-NN 1,2-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 676314 D6-Diuron, 100 µg/ml, Acetonitrile, 1ml Price on request