D4901-99(2026) | Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts |
D4900-99(2026) | Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts |
D6410-99(2020) | Standard Test Method for Determining Acidity of Vegetable Tanning Liquors |
D6409-99(2020) | Standard Practice for Color Tests with Sheepskin Skiver |
D6408-99(2020) | Standard Test Method for Analysis of Tannery Liquors |
D6407-99(2020) | Standard Test Method for Analysis of Iron and Copper in Vegetable Tanning Materials |
D6406-99(2020) | Standard Test Method for Analysis of Sugar in Vegetable Tanning Materials |
D6405-99(2020) | Standard Practice for Extraction of Tannins from Raw and Spent Materials |
D6404-99(2020) | Standard Practice for Sampling Vegetable Materials Containing Tannin |
D6403-99(2020) | Standard Test Method for Determining Moisture in Raw and Spent Materials |
D6402-99(2020) | Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials |
D6401-99(2020) | Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials |
D4905-99(2026) | Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts |
D4904-99(2026) | Standard Practice for Cooling of Analytical Solutions |
D4903-99(2026) | Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts |
D4902-99(2026) | Standard Test Method for Evaporation and Drying of Analytical Solutions |