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. Sample Size: 10 mL. Also used in acid-hydrolyzable and total phosphorus determination, after appropriate digestion. Pack of 50 powder pillows.
| Method Name | Ascorbic Acid |
| Platform | Powder Pillows |
| Quantity | 50 |
| Sample size | See Methods/Procedures Attachment(s) |

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