HI93702-01 Copper HR – Reagents – 100 Tests

Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb

The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.

Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm

Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution