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• Replacement tapes are interchangeable with other Meters
so the sample only comes in contact with the tubing
but in the presence of atmospheric humidity this forms sulfuric acid aerosols
The DPD method is also applicable to the direct determination of hypochlorite concentrations in various cleaning preparations and disinfectants prior to their dilution
Water Vapour 0.1, 1 - 40 mg/L, (CH23401) Pressure Bailer • Replacement tapes are interchangeableWater Vapour 0. 1, 1 40 mg L, Part # CH23401, 10 Tests Application Range Standard Measuring Range: 1 to 40 mg L Number of Strokes n: 10 Time for Measurement: approx. 2 min Standard Deviation: 10 to 15 % Color Change: yellow red brown Ambient Operating Conditions Temperature: 0 to 40 C Reaction Principle H2O + SeO2 + H2SO4 reddish brown reaction product Cross Sensitivity Low molecular weight alcohols are indicated. A variety of other organic compounds,
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