SM 4500-Cl G DPD Colorimetric Method Test Standard

Environmental Tests

SM 4500-Cl G DPD Colorimetric Method Test Standard

EUROLAB laboratory provides testing and compliance services within the scope of the SM 4500-Cl G standard. This is a colorimetric version of the DPD method (4500-Cl F) and is based on the same principles. As with the titrimetric method, a colorimetric procedure is used instead of titration with a standard ferrous ammonium sulfate (FAS) solution.

SM 4500-Cl G DPD Colorimetric Method Test Standard

This DPD method is operationally simpler than amperometric titration to determine free chlorine in water. Procedures for estimating individual mono and dichloramine and combined fractions are given. It is used for total chlorine in samples containing significant amounts of organic matter.

This method is simpler than the amperometric titration used in the SM 4500-Cl D and SM 4500-Cl E to determine free chlorine in water and is suitable for samples containing significant organic matter.

Chlorine is not stable in aqueous solutions and the chlorine content decreases rapidly, especially in weak solutions. Protect samples from light and shaking, as exposure to sunlight or other strong light or agitation will accelerate chlorine degradation.

EUROLAB assists manufacturers with SM 4500-Cl G test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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