Reference Material for ISO 16649-2 • BiosistoStandard

Recommended CRM for process control

CRM-EC Escherichia coli	WDCM 00013		Can also be used for performance testing
CRM-ECO.00012MM Escherichia coli	WDCM 00012		Can also be used for performance testing

TBX

CRM- not yet available Escherichia coli	WDCM 00202	P_R ≥ 0,5 Bleu colonies
CRM-EC Escherichia coli	WDCM 00013	P_R ≥ 0,5 Bleu colonies
CRM-EFA.00009QL Enterococcus faecalis	WDCM 00009	Total inhibition (0)
CRM-CFREU Citrobacter freundii	WDCM 00006	White to green-beige colonies

For performance testing of TBX, Escherichia coli WDCM 00202 is the strain to be used as a minimum. Escherichia coli WDCM 00202 is not available in the Biosisto collection. If you need this strain, please get in touch with us.

Escherichia coli WDCM 00013 is a strong β-glucuronidase producer, and WDCM 00202 is a weak β-glucuronidase producer.

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