CI 295 is a premium grade strongly acidic, gel-type cation
exchange resin , based on styrene-DVB copolymer. CI 295 is supplied with a color
indicator to visibility show when the cation capacity has been exhausted. CI
295 is recommended for use where a visual endpoint is required. Color
change takes place as capacity is utilized - changing from a dark purple color
to light golden brown. The color front will gradually move down the column
in cocurrent operation.