HI723 Checker HC ® – Chromium VI, HR
Product code: MX-12313
There are two natural forms of ionic chromium, the hexavalent ion, Cr (VI) and the trivalent Cr (III). Cr (III) is much less toxic than Cr (VI) and seldom found in potable waters. Cr (VI), however, is toxic to humans and is found in water.
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Product description
The HI723 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure chromium VI. Due to its corrosion-resistant properties, hexavalent chromium plays an important part in the plating industry and cooling towers. However, due to its toxic and carcinogenic nature, chromium VI must be must be sufficiently treated prior to wastewater discharge. Designed as a more accurate alternative to chemical test kits, the HI723 provides quick, accurate results in a few easy steps.
Specifications
| Range | 0 to 999 ppb |
|---|---|
| Resolution | 1 ppb |
| Accuracy @ 25°C | ±5% of reading ±5 ppb |
| Light Source | LED @ 525 nm |
| Light Detector | silicon photocell |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Battery Type | (1) 1.5V AAA |
| Auto-off | after ten minutes of non-use |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) |
| Weight | 64 g (2.25 oz.) |
| Method | adaptaion of the ATSM, Manual of Water and Enviornmental Technology, D 1687-92, Diphenylcarbohydrazide method |
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