PCB No. 50, 100µg/ml in Isooctane, 1ml Back Catalog number: 66050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93679 Pesticide Standard, varied µg/mL in Acetone, 1ml Price on request 676746 Sodium perchlorate monohydrate, 250mg Price on request MICQC3 Heterotrophic Plate Count WS IN Price on request