Carbon Dioxide (Dissolved) Test Kits

Titrimetric Kits

Range	MDL	Method	Type	Kit Cat. No.
10 - 100 ppm	10 ppm	Caustic Titrant with pH Indicator	Titrets	K-1910
100 - 1,000 ppm	100 ppm	Caustic Titrant with pH Indicator	Titrets	K-1920
250 - 2,500 ppm	250 ppm	Caustic Titrant with pH Indicator	Titrets	K-1925

Note: Click on the ‘Kit Cat. No.’ to view the test instructions.

CHEMetrics offers test kits employing the Caustic Titrant with pH indicator method 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 Caustic Titrant with pH Indicator Method

CHEMetrics' carbon dioxide test kits employ a sodium hydroxide titrant and phenolphthalein indicator. Results are expressed as ppm (mg/l) CO₂.

Reference:
APHA Standard Methods, 22^nd ed., Method 4500-CO2 C -1997. ASTM D 513-82, Total and Dissolved Carbon Dioxide in Water, Test Method E.

Applications

Dissolved carbon dioxide (CO₂) is naturally present as a result of animal respiration, the decay of organic matter, and the decomposition of certain minerals. It is the major source of acidity in unpolluted water samples. Surface waters typically contain less than 10 ppm (mg/l) dissolved CO₂, while ground waters, particularly if deep, may contain several hundred ppm (mg/l).

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