Common Anions Mix - EPA Method 300.0 Back Catalog number: 59494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50830 Ammonium bicarbonate as (NH4+) Price on request 673823 Milbemectin A4, 10.0 µg/ml, Acetonitrile, 10ml Price on request 673614 alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request