Water quality test agent for chloride ion

This invention relates to a measurement agent of water quality chloride ion, which comprises an and B two components, wherein, the A group is composed of potassium chromate, natrium bicarbonicum and sodium carbonate; the B group is composed of silver nitrate and sodium nitrate. Comparing with current technique, this invention has the following advantages: it substitutes the silver nitrate capacity method to low test cost; the qualified product rate is more than ninety-eight percent; it has low cost without pollution.