Difference between revisions of "Chemical disinfection/Free chlorine"
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Free chlorine does the hard work of killing bacteria and oxidizing contaminants. When you add chlorine to water, you are actually adding free chlorine. When the free chlorine combines with contaminants, it becomes combined chlorine, or chloramines. In water, this form of chlorine has very little sanitizing ability, and no oxidizing ability. Total chlorine is just the sum of both combined chlorine and free chlorine. | Free chlorine does the hard work of killing bacteria and oxidizing contaminants. When you add chlorine to water, you are actually adding free chlorine. When the free chlorine combines with contaminants, it becomes combined chlorine, or chloramines. In water, this form of chlorine has very little sanitizing ability, and no oxidizing ability. Total chlorine is just the sum of both combined chlorine and free chlorine. | ||
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[[File:free chlorine chart.jpg]] | [[File:free chlorine chart.jpg]] | ||
==Reference manuals, videos, and links== | ==Reference manuals, videos, and links== | ||
*[http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CEoQFjAA&url=http%3A%2F%2Fwww.cdc.gov%2Fsafewater%2Fpublications_pages%2Fchlorineresidual.pdf&ei=NPS7T_CFB4SIiAKa8YXZDQ&usg=AFQjCNH--Yv-fW48hdJn4hOiyHCIy8bh_w&sig2=_1kmqCPh312qW3BNYAL0gw Chlorine Residual Testing Fact Sheet.] CDC SWS Project. | *[http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0CEoQFjAA&url=http%3A%2F%2Fwww.cdc.gov%2Fsafewater%2Fpublications_pages%2Fchlorineresidual.pdf&ei=NPS7T_CFB4SIiAKa8YXZDQ&usg=AFQjCNH--Yv-fW48hdJn4hOiyHCIy8bh_w&sig2=_1kmqCPh312qW3BNYAL0gw Chlorine Residual Testing Fact Sheet.] CDC SWS Project. | ||
Revision as of 21:32, 22 May 2012
Free chlorine does the hard work of killing bacteria and oxidizing contaminants. When you add chlorine to water, you are actually adding free chlorine. When the free chlorine combines with contaminants, it becomes combined chlorine, or chloramines. In water, this form of chlorine has very little sanitizing ability, and no oxidizing ability. Total chlorine is just the sum of both combined chlorine and free chlorine.
Reference manuals, videos, and links
- Chlorine Residual Testing Fact Sheet. CDC SWS Project.
