VPH Primary Calibration Spike Rev 1.0 Back Catalog number: 92109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72395 Isomaltose Price on request DF-123789-S 1,2,3,7,8,9-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 682393 Oxfendazole, 100 µg/ml, Methanol, 5ml Price on request