Chlorine Test Kit Refills, Visual Colorimetric Analysis, 0-1 & 1-5 ppm, DDPD Method, Chemetrics, Inc., R-2505

CHEMetrics® Colorimetric Chlorine D DPD Test Refill for CHZ-K2505-01 Range: 0 to 1 and 0 to 5 mg/L (ppm), 30 Ampoules/PK, R-2505

Features:

• D DPD Method (Reference: Developed by CHEMetrics, Inc.)−derived from DPD method
• Well suited for use where biocides and chromate corrosion inhibitors are used simultaneously
• DDPD reacts with free chlorine to form a purple product
• In presence of ammonia or amines, some of the chlorine may exist as combined chlorine
• To determine total chlorine (the sum of free and combined), use the A-2500 Activator Solution (potassium iodide) that is supplied in the kit
• Results are expressed as ppm (mg/L) Cl₂
• DDPD method is also applicable to the direct determination of hypochlorite concentrations in various cleaning preparations and disinfectants prior to their dilution−DDPD compound reacts with hypochlorite ions to form a purple color
• Results are expressed as percent (%) NaOCl
• Appearance:  colorless liquid
• CAS Nos.:
  • Water:  7732-18-5
  • Methanol:  67-56-1
  • Potassium Phosphate, Monobasic:  7778-77-0
  • EDTA Disodium Salt Dihydrate:  6381-92-6
  • Sulfuric Acid:  7664-93-9
  • Proprietary Ingredient
  • Formaldehyde:  50-00-0
  ⚠ WARNING! This product can expose you to chemicals including formaldehyde, which is known to the State of California to cause cancer, and methanol, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov