Work Item
ASTM WK87921

Revision of E203-23 Standard Test Method for Water Using Volumetric Karl Fischer Titration


Removal of all references to using Pyridine reagents. Traditionally, pyridine was the organic base used in KF reagents. The pyridine-free formulations are less toxic, less odorous, and more stable than those containing pyridine. Pyridine-free reagents have been available and readily used for more than 20 years.


Developed by Subcommittee: D16.04

Committee: D16

Staff Manager: Stephen Mawn

Work Item Status

Date Initiated: 09-19-2023

Technical Contact: Scott Blakely

Item: 000