Acids Calibration Level 1 Back Catalog number: 94838 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70892 Dibromoacetic acid Price on request 20022 Chlordane, 1000µg/ml in Hexane, 1ml Price on request 684440 Diafenthiuron methaneimidamide, 100 µg/ml, Aceton Price on request