Chloride Test Kits
Titrimetric Kits
| Range | MDL | Method | Type | Kit Cat. No. | Refill |
|---|---|---|---|---|---|
| 20 - 200 ppm | 20 ppm | Mercuric Nitrate | Titrets | K-2020 | |
| 50 - 500 ppm | 50 ppm | Mercuric Nitrate | Titrets | K-2050 | |
| 250 - 2,500 ppm | 250 ppm | Mercuric Nitrate | Titrets | K-2051 | |
| 1,000 - 10,000 ppm | 1000 ppm | Mercuric Nitrate | Titrets | K-2055 | |
| 10,000 - 100,000 ppm | 10,000 ppm | Mercuric Nitrate | Titrets | K-2070 |
Instrumental Kits
| Range | Method | Type | Kit Cat. No. |
|---|---|---|---|
| 0 - 40.0 ppm | Ferric Thiocyanate | Vacu-vials | K-2103 |
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 Mercuric Nitrate and Ferric Thiocyanate Methods 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 Mercuric Nitrate Method
CHEMetrics employs a mercuric nitrate titrant in acid solution with diphenylcarbazone as the end point indicator. Results are expressed as ppm (mg/l) Cl-.
Contains mercury. Dispose according to county, national or EU laws.
References:
APHA Standard Methods, 22nded., Method 4500-Cl- C-1997.
ASTM D 512-04, Chloride Ion in Water, Test Method A.
USEPA Methods for Chemical Analysis of Water and Wastes, Method 325.3 (1983).
The Ferric Thiocyanate Method
The Chloride Vacu-vials® test employs the ferric thiocyanate chemistry. Chloride reacts with mercuric thiocyanate to liberate thiocyanate ion. Ferric ion reacts with thiocyanate ion to produce an orange-brown thiocyanate complex in proportion to the chloride concentration. Results are expressed as ppm (mg/l) Cl-.
Contains mercury. Dispose according to county, national or EU laws.
References:
APHA Standard Methods, 22nd ed., 4500-Cl-E-1997. D. Zall, D. Fisher, M. Garner, "Photometric Determination of Chlorides in Water", Analytical Chemistry, Vol 28, No. 11, pp. 1665-1668, November 1956.
J. O'Brien, "Automatic Analysis of Chlorides in Sewage,"Wastes Engineering, pp. 670-672, December 1962.
Applications
Chloride is the most common inorganic anion found in water and wastewater. Chloride levels in drinking water are kept relatively low to limit corrosion and adverse taste. The Specified Concentration or Value (SCV) for chloride in drinking water in the UK at the supply point is 250 mg/l (ppm). The Specified Concentration or Value (SCV) for chloride in drinking water in Ireland is 250 mg/l (ppm). Natural sources of salt are the ocean and various salt deposits above and below ground. Chloride is very corrosive to most metals in systems with elevated pressures and temperatures such as boilers and oil-drilling equipment.
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