Standard Practice for Analysis of Vegetable Tanning Materials—General
Importancia y uso:
3.1 Vegetable tanning materials are natural products containing various substances of varying composition, concentration and quality.
3.2 The methods referenced are useful for analyzing and testing vegetable tanning materials for moisture, water-extractable substances, cold-soluble fractions, tannins, non-tannins, acidity, tanning properties, the color of tanned leather, and the presence or absence of certain admixtures.
Subcomité:
D31.01
Volúmen:
15.04
Número ICS:
59.140.10 (Processes and auxiliary materials)
Palabras clave:
tannin; tannin analysis; vegetable tannin analysis; vegetable tannins;
$ 1,055
Norma
D4899
Versión
99(2024)
Estatus
Active
Clasificación
Practice
Fecha aprobación
2024-12-01
