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1.14670

Supelco

Chlorine Test in freshwater and seawater

colorimetric, 0.10-2.0 mg/L (Cl2), for use with MQUANT®

Quality Level

specific analyte(s)

chlorine

measuring range

0.10-2.0 mg/L (Cl2)

compatibility

for use with MQUANT®

detection method

colorimetric

storage temp.

15-25°C

General description

Method: colorimetric with color card 0.10 - 0.25 - 0.5 - 1.0 - 2.0 mg/l Cl₂ MQuant®
The test can be used for the determination of chlorine in freshwater and seawater. The chlorine concentration can be measured semiquantitatively by visual comparison of the colour of the measurement solution with the colour fields of the colour card.

Legal Information

MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany

Protocols

How to Prepare a Standard for Free Chlorine Analysis

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.

Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (DIN)

Preparation of a standard solution for free Chlorine according to DIN EN ISO 7393

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Analytical Method: Analytical Quality Assurance, Standard for Free Chlorine (dichloroisocyanuric acid)

AQA Standard for free chlorine - Preparation of a standard solution for free chlorine

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