At present, the standard of anti bacterial test are American Standard, GB(Chinese standard) and other different standards, mainly divided into two categories, one is to monitor specific values, such as anti bacterial rate of 99.9%; the other is issued on the logarithmic value, such as the value of 2.2,3.8 and so on.
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Test strains including bacteria and fungi. People in antibacterial performance evaluation, the choice of strains must be scientific and representative. In bacteria mainly use the Gram positive bacteria (staphylococcus aureus, giant of bacillus coli, bacillus subtilis) and Gram-negative bacteria (escherichia coli, pseudomonas fluorescens single cell bacteria);
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