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ASTM D4901-99(2016) Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
ASTM D6401-99(2016) Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
ASTM D6402-99(2014) Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials
ASTM D6403-99(2014) Standard Test Method for Determining Moisture in Raw and Spent Materials
ASTM D6404-99(2014) Standard Practice for Sampling Vegetable Materials Containing Tannin
ASTM D6405-99(2014) Standard Practice for Extraction of Tannins from Raw and Spent Materials
ASTM D6406-99(2014) Standard Test Method for Analysis of Sugar in Vegetable Tanning Materials
ASTM D6407-99(2014) Standard Test Method for Analysis of Iron and Copper in Vegetable Tanning Materials
ASTM D6408-99(2014) Standard Test Method for Analysis of Tannery Liquors
ASTM D6409-99(2014) Standard Practice for Color Tests with Sheepskin Skiver
ASTM D6410-99(2014) Standard Test Method for Determining Acidity of Vegetable Tanning Liquors
ASTM D4904-99(2016) Standard Practice for Cooling of Analytical Solutions