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ISO 16649-1
Microbiology of the food chain - Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli - Part 1: Colony-count technique at 44 degrees C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide
Edition
2018-04
ISO 16649-2
Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli - Part 2: Colony-count technique at 44 °C using 5-bromo-4-chloro-3-indolyl β-D-glucoronide
Edition
2001-04
ISO 17792 ; IDF 180:2006-08
Milk, milk products and mesophilic starter cultures - Enumeration of citrate-fermenting lactic acid bacteria - Colony-count technique at 25 °C
Edition
2006-08
ISO 17862
Surface chemical analysis - Secondary ion mass spectrometry - Linearity of intensity scale in single ion counting time-of-flight mass analysers
Edition
2022-09
ISO 20128 ; IDF 192:2006-05
Milk products - Enumeration of presumptive Lactobacillus acidophilus on a selective medium - Colony-count technique at 37 °C
Edition
2006-05
ISO 20391-1
Biotechnology - Cell counting - Part 1: General guidance on cell counting methods
Edition
2018-01
ISO 20391-2
Biotechnology - Cell counting - Part 2: Experimental design and statistical analysis to quantify counting method performance
Edition
2019-08
ISO 20411
Surface chemical analysis - Secondary ion mass spectrometry - Correction method for saturated intensity in single ion counting dynamic secondary ion mass spectrometry
Edition
2018-03
ISO/IEC 20968
Software engineering - Mk II function point analysis - Counting practices manual
Edition
2002-12
ISO 21527-1
Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of yeasts and moulds - Part 1: Colony count technique in products with water activity greater than 0,95
Edition
2008-07