Phosphate as (PO4-3), 1000µg/ml in water, 100ml Back Catalog number: 54263 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 34005 EPA Method 502/524 Fortification Solution Price on request 59065 Inorganic Mix Price on request 50024 Common Anions Custom Mix #2 Price on request