A low-cost water purification membrane capable of filtering out objects greater than one micron size and also killing E. coli bacteria has been developed by the Bangalore-based Indian Institute of ...
Coliform Bacteria: Less than one total coliform organism per 100 ml of water. Non-coliform Bacteria: Concentrations less than 200 organisms per 100 ml of water considered acceptable as long as the ...
Pre-use integrity testing of sterilizing-grade filters eliminates the potential adverse effects of filter loading on the integrity-test results, allowing unambiguous correlation with the ...
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