D2807 Standard Test Method for Chromic Oxide in Leather (Perchloric Acid Oxidation)
D2876 Standard Test Method for Water-Soluble Matter of Vegetable-Tanned Leather
D6016 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
D6020 Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage
D6716 Standard Test Method for Total Ash in Wet Blue or Wet White
D7674 Standard Test Method for Hexane/Petroleum Ether Extract in Wet Blue and Wet White
D2813 Practice for Sampling Leather for Physical and Chemical Tests
D3790 Test Method for Volatile Matter (Moisture) of Leather by Oven Drying