Standard Practice for Extraction of Tannins from Raw and Spent Materials
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Standard Test Method for Analysis of Sugar in Vegetable Tanning Materials
Standard Test Method for Analysis of Iron and Copper in Vegetable Tanning Materials
Standard Test Method for Analysis of Tannery Liquors
Standard Practice for Color Tests with Sheepskin Skiver
Standard Test Method for Determining Acidity of Vegetable Tanning Liquors
Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
Standard Test Method for Chromic Oxide in Basic Chromium Tanning Liquors
Standard Test Method for Acidity in Basic Chromium Tanning Liquors
Standard Test Method for Determination of Magnesium Sulfate (Epsom Salt) in Leather
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
Standard Test Method for Determing Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials
Standard Test Method for Determining Moisture in Raw and Spent Materials
Standard Practice for Sampling Vegetable Materials Containing Tannin
