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Cation Exchange Columns 1101

THIS PRODUCT IS DISCONTINUED.

When a conductivity analyzer is used to monitor water quality in a power plant or other source of ultrapure water, the measurement can be distorted by the presence of treatment chemicals such as ammonia and amines. An easy way to eliminate the interference due to treatment chemicals is to pass the feedwater or condensate through a cation exchange column before conductivity is measured.

When the cation exchange cartridge removes the alkaline treatment chemicals which interfere, it conveys an additional benefit: metal cations are replaced by hydrogen ions. This increases the sensitivity of the conductivity reading. Hydrogen ions are the most mobile of all the positively charged cations. Because hydrogen ions have the greatest ability to conduct electricity, when hydrogen ions replace sodium, calcium and other cations, conductivity increases.
 

  

Cation Exchange Columns

The ability of the conductivity analyzer to detect changes in water quality is enhanced in two ways. The interference due to alkaline chemicals is removed and the sensitivity to other impurities is increased.
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The Aqualert Model 1101 Cation Exchange Cartridge has 3200 grains of cation exchange capacity, enough to provide many months of continuous reliable operation. The flow capacity of the cartridge is sufficient to handle the sample stream to any standard conductivity analyzer. Only the cations are exchanged. The anions in the sample such as chloride and sulfate are not affected.

The resin will remove over 99% of the metal ions in the sample stream. The built-in color indicator of the resin changes from black to light brown as capacity is depleted.