Calibration Standard Mix 1 Back Catalog number: 53043 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-12378-S 1,2,3,7,8-Pentachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 676736 D9-Tebuconazole, 100 µg/ml, Acetone, 1ml Price on request C11472000 4-Chlorophenol, certified, 0.5g Price on request