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Quality Assurance test for Whatmann celulose nitrate micron filers


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#1 Vijayanthi

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Posted 14 August 2012 - 10:34 AM

Dear all,

During a laboratory Accreditation audit NC was raised " Microbiology Laboratory I am working at present do not carry out any quality assurance test to ensure the effectiveness of Whatmann cellulose nitrate filers (0.45 mico meters ) we are using to analyse water using mebrane filtration technique ( no toxic effects on microorganisms, pore size etc) Can any one help me to clear this Non Conformity.

Thanks

Vijayanthi



#2 Cravin' Cajun?

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Posted 04 September 2012 - 09:42 PM

The auditor probably wanted to see that your company did a validation study to determine the effectiveness of these filters in "cleaning up" the water. All you would need to do is plate/coliform count before filtering and after filtering to determine effectiveness of filters.






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