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.
Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.