Re: Chlorine in tap water


SCHRAMMR@WLSVAX.WVNET.EDU
Sat, 05 Jun 1999 20:17:43 -0400 (EDT)


Liam,

A quick way to detect chlorine and estimate its strength is to make up a
10% solution of silver nitrate in distilled water. Keep it in an amber dropping
bottle. Put a little tap water in a small beaker or test tube and add a few
drops of AgCl solution. If there is chlorine present it will percipitate
silver chloride (a white solid) i.e. the solution will turn "milky." The
milkier it gets, the more chlorine. After doing this with various samples of
tap water you will be able to judge when the Cl content is high.

Bob Schramm
 



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