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2006•Chinese Journal of DisinfectionRequires access

COMPARISON OF GERMICIDAL EFFICACY OF SODIUM DICHLOROISOCYANURATE AND TRICHLOROISOCYANURIC ACID

Liao Fu-ying

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Abstract

In order to know the germicidal efficacy of sodium dichloroisocyanurate and trichloroisocyanuric acid,suspension quantitative germicidal test was carried out.Results: Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 100 mg/L with a 5 min contact time killed 99.89% and 100% of Escherichia coli in suspention respectively and 99.99% and 100% of Staphylococcus aureus in suspension respectively.Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 500 mg/L with a 5 min contact time killed 99.99% and 100% of spores of Bacillus subtilis var.niger in suspension respectively and 99.98% and 100% of Aspergillus niger in suspension respectively.Conclusion: Under condition of same concentration of available chlorine,the efficacy of trichloroisocyanuric acid in killing the 4 test microorganisms is higher than that of sodium dichloroisocyanurate.

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What this paper is about

In order to know the germicidal efficacy of sodium dichloroisocyanurate and trichloroisocyanuric acid,suspension quantitative germicidal test was carried out.Results: Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 100 mg/L with a 5 min contact time killed 99.89% and 100% of Escherichia coli in suspention respectively and 99.99% and 100% of Staphylococcus aureus in suspension respectively.Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 500 mg/L with a 5 min contact time killed 99.99% and 100% of spores of Bacillus subtilis var.niger in suspension respectively and 99.98% and 100% of Aspergillus niger in suspension respectively.Conclusion: Under condition of same concentration of available chlorine,the efficacy of trichloroisocyanuric acid in killing the 4 test microorganisms is higher than that of sodium dichloroisocyanurate.

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Available abstract

In order to know the germicidal efficacy of sodium dichloroisocyanurate and trichloroisocyanuric acid,suspension quantitative germicidal test was carried out.Results: Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 100 mg/L with a 5 min contact time killed 99.89% and 100% of Escherichia coli in suspention respectively and 99.99% and 100% of Staphylococcus aureus in suspension respectively.Sodium dichloroisocyanurate and trichloroisocyanuric acid solution containing available chlorine 500 mg/L with a 5 min contact time killed 99.99% and 100% of spores of Bacillus subtilis var.niger in suspension respectively and 99.98% and 100% of Aspergillus niger in suspension respectively.Conclusion: Under condition of same concentration of available chlorine,the efficacy of trichloroisocyanuric acid in killing the 4 test microorganisms is higher than that of sodium dichloroisocyanurate.

Key concepts: Trichloroisocyanuric acid, Chlorine, Chemistry, Staphylococcus aureus, Bacillus subtilis, Microbiology, Sodium, Nuclear chemistry

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COMPARISON OF GERMICIDAL EFFICACY OF SODIUM DICHLOROISOCYANURATE AND TRICHLOROISOCYANURIC ACID — Research Paper | ScholarLens