Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts

Importancia y uso:

4.1 This test method is useful to detect possible adulteration of tanning material extract with cheap and inferior lignosulfonates.

Subcomité:

D31.01

Referida por:

D4899-99R20

Volúmen:

15.04

Número ICS:

59.140.10 (Processes and auxiliary materials)

Palabras clave:

lignosulfonates; sulfite cellulose; tannin analysis; vegetable tannin analysis;