1.11174
Chlorine and pH Test Kit, colorimetric
0.1-1.5 mg/L (Cl₂), pH range 6.8-7.8, MQuant®
Sinonimo/i:
Chlorine and pH Visual Test Kit
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UNSPSC Code:
41116116
NACRES:
NA.24
Servizio Tecnico
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Chlorine and pH Test, colorimetric, 0.1-1.5 mg/L (Cl2), pH range 6.8-7.8, for use with MQUANT®
specific analyte(s)
chlorine
Quality Segment
measuring range
0.1-1.5 mg/L (Cl2)
pH range
6.8-7.8
compatibility
for use with MQUANT®
detection method
colorimetric
storage temp.
15-25°C
General description
(free chlorine, total chlorine, and pH) Method: colorimetric with color-matching vessel 0.1 - 0.3 - 0.6 - 1.0 - 1.5 mg/l Cl₂ pH: 6.8 - 7.1 - 7.4 - 7.6 - 7.8 MQuant®
Chlorine containing disinfectants are most widely used. They are applied particularly to disinfect drinking water and swimming pool water. This MQuant® Chlorine and pH test (formally MColortest®) measures chlorine and pH and evaluates the color reactions based on the transmitted light method. So even turbid and colored water samples can be analyzed without further preparation. The color matching vessel is made of very durable, lightfast plastic, thus suitable for industrial areas and wet environments.
Using the refill packs 1.11143 and 1.11157, the original test kit can be used for a very long time, making it a particularly economical and ecological system.
Method
In weakly acidic solution free chlorine reacts with diethyl-p-phenylenediamine (DPD) to form a red-violet dye. Combined chlorine reacts only after the addition of iodide ions. This permits free chlorine to be distinguished from combined chlorine.
The pH determination takes place by means of chlorine-resistant phenol red indicator solution, which changes color from yellow to red-violet in the pH range of 6.5 8.2.
This test is not suited for seawater.
Using the refill packs 1.11143 and 1.11157, the original test kit can be used for a very long time, making it a particularly economical and ecological system.
Method
In weakly acidic solution free chlorine reacts with diethyl-p-phenylenediamine (DPD) to form a red-violet dye. Combined chlorine reacts only after the addition of iodide ions. This permits free chlorine to be distinguished from combined chlorine.
The pH determination takes place by means of chlorine-resistant phenol red indicator solution, which changes color from yellow to red-violet in the pH range of 6.5 8.2.
This test is not suited for seawater.
Water in public and private swimming pools must be disinfecting to kill bacteria and viruses. Chlorine-containing preparations or even chlorine gas itself are usually used for this purpose. To check the content of chlorine and the pH value is essential.
Legal Information
MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A - STOT RE 2 Oral
target_organs
Thyroid
Classe di stoccaggio
8A - Combustible, corrosive hazardous materials
wgk
WGK 2
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