ASTM D6402-99(2014)
- Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials
- standard by ASTM International, 11/01/2014
- Publisher: ASTM
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1.1 This test method is intended for use in determining the quantity of soluble solids and insolubles in solutions of tannin extracts, water extracts of vegetable tanning materials, or tanning liquors. This test method is applicable to the analysis of liquid, solid, pasty, and powdered tannin extracts and to the water extracts of raw or spent materials.
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