Method 200.8 Single Element Kit Back Catalog number: 52251 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-123468-S 1,2,3,4,6,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 95179 Guanidine nitrate Price on request 11921.9-100-ME (-)-Captopril,100 µg/mL,MeOH,1mL, Price on request