20.20 2 korr 2025
ISO
ISO/TC 91
International Standard
This document provides microbiological test methods for enumeration and detection of aerobic mesophilic bacteria, detection of Escherichia coli and Pseudomonas aeruginosa in liquid hand dishwashing.
PUBLISHED
ISO 21703:2019
IN_DEVELOPMENT
ISO/WD 21703
20.20
Working draft (WD) study initiated
2 korr 2025