- ASTM D4901, 1999 Edition Reapproved in 2016, Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
- ASTM D6020, 2000 Edition Reapproved in 2016, Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage
- ASTM D6401, 1999 Edition Reapproved in 2016, Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
- ASTM D6656, 2016 Edition, Standard Test Method for Determination of Chromic Oxide in Wet Blue (Perchloric Acid Oxidation)
Monday, January 30, 2017
New Processes and Auxiliary Material Standards for the 4th Quarter 2016
Document Center, Inc. is pleased to announce that the following Standards on Processes and Auxiliary Materials are now available;
For more standards like these, please refer to our Document Center List of Standards on Processes and Auxiliary Materials.