SAPHIR Series Phenol Phenols Online Analyzer

In alkaline medium (PH value is 10), in the condition of iron cyanide potassium, the phenol in the water sample reacts with 4-amino antibilin, producing orange red antibilin dye, the substance has a characteristic absorption of 555 nm wavelength light, the resulting solution color depth is proportional to the measured water sample concentration of the phenol, using a spectrophotometer at 555 nm wavelength to detect the reaction solution color depth, the analyzer by automatically calculating the measured water sample concentration value of the phenol.

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