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ISO/WD 21703

Surface active agents — Microbiology — Microbiological test methods for liquid hand dishwashing

General information

20.20     Jul 2, 2025

ISO

ISO/TC 91

International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 21703:2019

NOW

IN_DEVELOPMENT
ISO/WD 21703
20.20 Working draft (WD) study initiated
Jul 2, 2025