<p class="MsoNormal"><span lang="EN-GB" style="font-family: 'Aptos',sans-serif; mso-ansi-language: EN-GB;">ISO 14461 | IDF 169 describes a routine procedure for the evaluation of results of the enumeration of microorganisms using colony-count methods with subsequent 10-fold dilution steps and one plate or two parallel plates within each dilution step.</span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family: 'Aptos',sans-serif; mso-ansi-language: EN-GB;">This routine procedure is applied regularly in each laboratory performing colony counts. It provides criteria for the acceptability of differences between the results from parallel plates and subsequent dilution steps</span></p>
Registration number (WIID)
92261
Scope
<p class="MsoNormal"><span lang="EN-GB" style="font-family: 'Aptos',sans-serif; mso-ansi-language: EN-GB;">ISO 14461 | IDF 169 describes a routine procedure for the evaluation of results of the enumeration of microorganisms using colony-count methods with subsequent 10-fold dilution steps and one plate or two parallel plates within each dilution step.</span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-family: 'Aptos',sans-serif; mso-ansi-language: EN-GB;">This routine procedure is applied regularly in each laboratory performing colony counts. It provides criteria for the acceptability of differences between the results from parallel plates and subsequent dilution steps</span></p>
