We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ČSN is a protected designation of Czech national technical standards.
Microbiology of the food chain - Method validation - Part 5: Protocol for factorial interlaboratory validation for nonproprietary methods
Standard published on 1.1.2021
Selected format:Microbiology of the food chain - Method validation - Part 6: Protocol for the validation of alternative (proprietary) methods for microbiological confirmation and typing procedures
Standard published on 1.6.2020
Selected format:Microbiology of the food chain - Method validation - Part 7: Protocol for the validation of identification methods of microorganisms
Standard published on 1.5.2025
Selected format:Microbiology of food and animal feeding stuffs - Protocol for the validation of alternative methods
WITHDRAWN published on 1.12.2003
Selected format:Microbiology of the food chain - Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli - Part 1: Colony-count technique at 44 °C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide
Standard published on 1.4.2022
Selected format:Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of b-glucuronidase-positive Escherichia coli - Part 2: Colony-count technique at 44 °C using 5-bromo-4-chloro-3-indolyl b-D-glucuronide
Standard published on 1.5.2003
Selected format:Microbiology of the food chain - Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli - Part 3: Detection and most probable number technique using 5-bromo-4-chloro-3-indolyl- -D-glucuronide
Standard published on 1.7.2016
Selected format:Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of b-glucuronidase-positive Escherichia coli - Part 1: Colony-count technique at 44 °C using membranes and 5-bromo-4-chloro-3-indolyl b-D-glucuronide
WITHDRAWN published on 1.6.2003
Selected format:Microbiology of the food chain - Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli - Part 3: Detection and most probable number technique using 5- bromo-4-chloro-3-indolyl-ß-D-glucuronide
WITHDRAWN published on 1.1.2016
Selected format:Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of b-glucuronidase-positive Escherichia coli - Part 3: Most probable number technique using 5-bromo- 4-chloro-3-indolyl b-D-glucuronide
WITHDRAWN published on 1.10.2006
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
© Copyright 2026 NORMSERVIS s.r.o.