ISO 4833 (1 and 2) selection table for choice process control • BiosistoStandard Tips & Tricks

Biosisto has for the process control of ISO 4833 (1 and 2) four different Certified Reference Materials available each with their own characteristics.
What you choose depends on what the requirement of your laboratory is.

The differences are schematically shown in the table below.

	Single or multi-strain CRM	Accreditated	Metrological Traceability of	Media Performance testing
CRM-SA	Single	Yes	Strain & Property value	Yes
CRM-BSUBT	Single	–	Strain	Yes
CRM-CC	Multi of 3 strains only suitable for total count analysis	–	Strains	Yes 1 check instead of 3 different checks
CRM-BLES	Multi of 4 strains suitable for multiple analysis	–	Strains	–

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Biosisto - 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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