ISO 7899-2

Detection and enumeration of intestinal enterococci – Part 2: Membrane filtration method

Posted - Author Annemarie
Recommended CRM for process control
  • WDCM 00009
Process control CRM-EFA.00009BL - S&B
Can also be used for performance testing
    CRM-AQUA
  • Escherichia coli
  • Pseudomonas fluorescens
  • Enterococcus faecalis
  • WDCM 00013
  • Wild strain
  • WDCM 00087
Process control CRM-AQUA - S&B
-
Alternative CRM’s
    CRM-COFA
  • Escherichia coli
  • Enterococcus faecium
  • WDCM 00179
  • WDCM 00178
Process control alternatives CRM-COFA - S&B
 -
Slanetz and Bartley agar (S&B)
  • WDCM 00009
Performance testing CRM-EFA.00009BL - S&B Performance testing CRM-EFA.00009BL - S&B

PR ≥ 0,5
Red-maroon-pink colonies

    CRM-COFA
  • Escherichia coli
  • Enterococcus faecium
  • WDCM 00179
  • WDCM 00178
Performance testing CRM-COFA - S&B

PR ≥ 0,5
Red-maroon-pink colonies for Enterococcus faecium WDCM 00178

  • WDCM 00012

Total inhibition (0)

  • WDCM 00034

Total inhibition (0)

Bile aesculin azide agar
  • WDCM 00009

Positive reaction:
Tan to black colour in the surrounding medium

  • WDCM 00012

Negative reaction:
No tan to black colour in the surrounding medium

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Quality in Control

Microbiological laboratories should be able to receive reliable analysis without much overhead. A microbiological analyst must be able to focus on the primary activities, for example analysis of the sample material. Quality control should support the analyst in a logical and simple manner. By using modern information technology, process control and quality assurance are designed smarter and more effective.

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