Phosphorus Acid-Hydrolyzable, Ascorbic Acid Method, with bar code, 50 tests

The HI-94758B-50 are reagents that follow an adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method for the determination of acid hydrolyzable phosphorus using the compatible benchtop photometer.