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specific analyte(s)
chlorine
Quality Level
measuring range
0.1-2.0 mg/L (Cl2)
compatibility
for use with MQUANT®
detection method
colorimetric
storage temp.
15-25°C
Related Categories
1 of 4
This Item | 1.14978 | 1.14826 | 1.17925 |
|---|---|---|---|
| detection method colorimetric | detection method colorimetric | detection method colorimetric | detection method colorimetric |
| measuring range 0.1-2.0 mg/L (Cl2) | measuring range 0.1-2.0 mg/L (Cl2) | measuring range 0.25-15 mg/L (Cl2) | measuring range 0-20 mg/L (Cl2) |
| compatibility for use with MQUANT® | compatibility for use with MQUANT® | compatibility for use with MCOLORTEST® | compatibility - |
| storage temp. 15-25°C | storage temp. 15-25°C | storage temp. 15-25°C | storage temp. 2-8°C |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
General description
The test can be used in
- Swimming-pool water
- Groundwater and surface water
- Drinking water and mineral water
- Waters from aquaculture
- Wastewater
- Electroplating wastewater
- Disinfectant solutions
This test is not suited for seawater.
Method
In weakly acidic solution free chlorine reacts with diethyl-p-phenylenediamine (DPD) to form a red-violet dye. In the presence of potassium iodide, also combined chlorine is measured in this reaction. The chlorine concentration is measured semiquantitatively by visual comparison of the color of the measurement solution with the color fields of a color disk. The test evaluates the color reaction based on the transmitted light method. So even turbid and colored water samples can be analyzed without further preparation.
The color disk is made of very durable, lightfast plastic, thus suitable for industrial areas and wet environments.
Using the refill pack 1.14803 containing all the reagents, the original test kit can be used for a very long time, making it a particularly economical and ecological system.
Legal Information
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A - STOT RE 2 Oral
Target Organs
Thyroid
Storage Class Code
8B - Non-combustible, corrosive hazardous materials
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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705578-5MG-PW
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Protocols
Preparation of a standard solution for total chlorine
AQA Standard for free chlorine - Preparation of a standard solution for free chlorine
AQA Standard for free chlorine - Preparation of a standard solution for free chlorine - Preparation of a stock solution of free chlorine: First prepare a 1:10 dilution using a sodium hypochlorite solution containing approximately 6 - 14 % of active chlorine. For this pipette 10 ml of sodium hypochlorite solution into a calibrated or conformity-checked 100-ml volumetric flask and then make up to the mark with water for analysis.
Preparation of a standard solution for free Chlorine according to DIN EN ISO 7393
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