Abstract

This Uganda Standard covers the determination of the water present in new or unused glycol-based coolant concentrates using a volumetric (Test Method A) or an automatic coulometric titrator procedure (Test Method B). (This standard cancels and replaces, US 2399: 2022, Standard test methods for water in engine coolant concentrate by the Karl Fischer reagent method (First Edition), which has been technically revised). This Uganda Standard , US 2399: 2025, is based on ASTM D1123 ? 22a, Standard Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent Method. This standard was Published on 2025-09-30