Work Item
ASTM WK83701

New Test Method for Analysis of Amphibole and Serpentine Minerals in Talc and Other Bulk Mineral Powders by Transmission Electron Microscopy (TEM)

1. Scope

The purpose of this test method is to determine total amphibole and/or serpentine content in talc and other milled bulk mineral products.


Transmission electron microscopy; TEM; Talc; Milled mineral products; Bulk; Mineral powder


Current interest in talc products concerning presence of amphibole and chrysotile.

The title and scope are in draft form and are under development within this ASTM Committee.


Developed by Subcommittee: D22.07

Committee: D22

Staff Manager: Ashley Wiand

Work Item Status

Date Initiated: 10-07-2022

Technical Contact: Julie Pier

Item: 000