Quick metering method of active chlorine in disinfectant

Quick metering method of active chlorine in disinfectant

  • CN 1,106,140 A
  • Filed: 06/27/1994
  • Published: 08/02/1995
  • Est. Priority Date: 06/27/1994
  • Status: Abandoned Application
First Claim
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1. , a kind of quick metering method of active chlorine in disinfectant, it is characterized in that:

  • get 1 part of chlorine-containing disinfectant and place in the container, add after 1 reagent 1 shakes up, adding 1 reagent 1 shakes up, solution is rufous, accurately draw a certain amount of vs with empty needle, slowly splash in the container, the limit adds a limit and shakes container, it is little when yellow that solution is, add 1 terminal point indicator solution, solution promptly is blue look, continues to drip vs to blue look and just disappears, promptly arrive titration end-point, read vs and consume the ml number, consume the ml number by 354.5 * vs and can draw chlorinty mg/L, wherein;

    The CH that reagent 1 is 3COOH liquid or H 2SO 4Every 0.1-0.5 part of liquid Every 0.05-0.5 part of the KI liquid that reagent 2 isThe Na that vs is 2S 2O 3Liquid The terminal point indicator solution is a starch fluid.

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