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KMID : 0376219810180030361
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Chonnam Medical Journal
1981 Volume.18 No. 3 p.361 ~ p.365
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APPLICATION OF EPIFLUORESCENCE MICROSCOPY TO STUDY THE EFFECTS OF POLYPHOSPHATE (TG-10) ON THE BACTERIAL GROWTH IN TAP WATER.
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Rhee Young-Hwan
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Abstract
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The effs of polyphosphate (TG-10) commonly used for corrosion control of drinking water distribution on the bacterial growth in tap water were investigated with two simulated PVC pipes. The change of bacterial numbers was monitered by epifluorescence microscopy and standard plate count method. The result was that the difference between total counts and viable counts with or without TG-10 becomes smaller with time. The number of bactetia increased continuously ih both PVC pipes, but increased more rapidly in pipe containing TG-10. It becomes clear that TG-10 dosage 5rg/1 in tap water was obviously effective in increasing total counts and viable counts.
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