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- CA6 - Total Phosphorus
Product Description
The CA-6 Series Analyzers are a family of on-line sequential sampling analyzers that use Colorimetric technologies to perform an analysis. The CA6 total phosphorus, is offered in three ranges 0-2.00 mg/L, 0-20.00 mg/L and 0-100.0 mg/L. The measurement uses the molybdenum method with three reagents. Reagent 1, an oxidizing solution, is added to the sample which is heated and irradiated with UV light to convert all phosphorus to otho-phosphate. Reagent 2, sodium molybdate in sulfuric acid, is added and forms a yellow phosphomolybdate compound. Reagent 3, a sulfite reducing agent, is added to the sample reducing the phosphomolybdate to molybdenum blue. The blue color is directly proportional to the ortho-phosphate concentration. Each analysis uses 0.4 ml of each reagent. Each analysis cycle takes approximately 11 minutes.
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