Chromate Test Kits
|Range||MDL||Method||Type||Kit Cat. No.||Refill|
|0.0 - 1.0 & 1 - 10 ppm||0.05 ppm||Diphenylcarbazide||CHEMets||K-2810||R-2810|
|Range||Method||Type||Kit Cat. No.|
|0 - 3.50 ppm||Diphenylcarbazide||Vacu-vials||K-2803|
Note: Click on the ‘Kit Cat. No.’ to view the test instructions. Click on the ‘Range’ value for Vacu-vials to view accuracy chart.
CHEMetrics offers test kits employing the well-known Diphenylcarbazide reagent to deliver sensitivity and accuracy within two minutes or less. Based on CHEMetrics patented Self-Filling Reagent Ampoule technology. Premixed. Premeasured. Precise. Each kit contains 30 tests.
The Diphenylcarbazide Method
With the chromate test method, hexavalent chromium reacts with diphenylcarbazide under acid conditions to form a red-violet colour. Results are expressed as ppm (mg/l) CrO4.
APHA Standard Methods, 22nd ed., Method 3500-Cr B- 2009. ASTM D 1687-02, Chromium in Water, Test Method A.
Hexavalent chromium (VI) salts are used in numerous industrial processes. They are also used extensively as corrosion inhibitors in open and closed cooling water systems.
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