Recommended CRM for process control
  • WDCM 00007
Can also be used for performance testing
TSC (SC)
  • WDCM 00007

PR ≥ 0,5
Black colonies

  • WDCM 00012

Total inhibition (0)

Lactose-gelatin medium
  • WDCM 00007

Positive reaction:
Presence of gas, yellow colour and gelatin liquefaction

  • WDCM 00095

Negative reaction:
No colour change or red, no gelatin liquefaction

LC (lactose sulfite) medium
  • WDCM 00007

Positive reaction:
Gas production: Durham tube more than one quarter full of gas

Iron sulfite production:
Formation of black precipitate

  • WDCM 00008

Negative reaction:
Gas production but no blackening

CRM-CP is suitable for process control for anaerobic cell analyses.

For the non-selective reference medium, it is best to use blood agar instead of TSA.

For performance testing of Lactose-gelatin medium, Hafnia alvei WDCM 00095 is not available in the Biosisto collection. If you need this strain, please get in touch with us.

For performance testing of LS (lactose sulfite) medium, Clostridium sporogenes WDCM 00008 is not available in the Biosisto collection. If you need this strain, please get in touch with us.

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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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