For determination of reactive (ortho) phosphate (phosphorus)
3 ascorbic acid method
USEPA accepted
Description
For determination of reactive (ortho) phosphate (phosphorus) by the PhosVer 3 ascorbic acid method. USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive. Also used in acid-hydrolyzable and total phosphorus determination, after appropriate digestion.