
Standard Test Method for Determing Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials
出版:American Society for Testing and Materials

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CONTAINED IN VOL. 15.04, 2005Specifies test method for the determination of the quantity of soluble solids and insoluble in solutions of tannin extracts, water extracts of vegetable tanning materials, or tanning liquors. Applies to the analysis of liquid, solid pasty, and powdered tannin extracts and to the water extracts of raw or spent materials.