Work Item
ASTM WK86676

Revision of C494/C494M-19e1 Standard Specification for Chemical Admixtures for Concrete


Allow use of a faster and more accurate method to determine the oven dried residue content of a chemical admixture using a Halogen lamp. The method is already used for air-entraining admixtures in C233.


Developed by Subcommittee: C09.23

Committee: C09

Staff Manager: W Scott Orthey

Work Item Status

Date Initiated: 06-06-2023

Technical Contact: Ara Jeknavorian