DPD Free Chlorine Test Kit Easy to Operate:
Suitable for detection on site, and minimize the errors caused by long transportation;
Standardized operation, and minimized manual errors;
Real-time monitoring in production process, and effective controlling of free chlorine concentration.
Accurate Measuring:
Scientific formulation, special techniques, and strict quality control;
Research and development conducted under international standards and methods;
Produced from imported materials, including color agent, buffer agent, spiking agent, and covering agent, etc;
Standardized precise colorimetric cards, specialized for colorimetric tubes;
Double layer aluminum foil, preventing moisture and light.
Reliable Quality:
Guangzhou Patent Product of Excellence;
Guangdong Important New Product;
ISO9001;
Widely used by both domestic and international companies.
Free Chlorine Test Specification
1. Fill a clean test tube with sample to the 15-mL mark.
2. Add the contents of one DPD-Free Chlorine Reagent to the tube, cap the tube and shake to dissolve.
3. Open the cap, place the tube in 2cm above the blank of standard card, compare the color from top to bottom, The standard color level has the same color as observed from the tube shows the concentration of free chlorine in the sample.
Notes:
1. Water sample pH : 5.0~8.0, Temperature : 15~25.
2. The presence of other oxidizing substance will cause a positive interference to the result.
3. Complete the test within 5minutes after adding the DPD reagent.
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