QC Standard 2 Back Catalog number: 56085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674510 D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide, Price on request 30046 EPA Method 547 Analyte Price on request 59034 Inorganic Mix #2 Conc. #1 Price on request