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ISO/TC 34/SC 9/AHG 7
Quality control of the colony count technique
CEN/TC 19/WG 43
Particle counting
ISO/TC 147/SC 3/WG 15
Liquid scintillation counting and proportional counting
ISO 7889
Yoghurt - Enumeration of characteristic microorganisms - Colony-count technique
prEN ISO 29981
Milk products - Enumeration of bifidobacteria - Colony-count technique (ISO 29981:2024)
ISO/WD 8934-2
Biotechnology --Cell viability analytical methods - Part 2: Experimental Designs and Statistical Analysis for Evaluating the Quality of Cell Count-Based Viability Methods
ISO/DIS 13647
Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium
DIN EN ISO 29981
Milk products - Enumeration of bifidobacteria - Colony-count technique (ISO 29981:2024); German and English version prEN ISO 29981:2025
prEN ISO 13647
Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO/DIS 13647:2025)
ISO/AWI 8871-3
Elastomeric parts for parenterals and for devices for pharmaceutical use - Part 3: Determination of released-particle count