Standard Test Method for pH of Wet Blue and Wet White

Importancia y uso:

4.1 This test method is designed to measure the pH of a distilled-water extract of Wet Blue and Wet White. This is considered to be a measure of the acidity or alkalinity of the Wet Blue or Wet White. Excessive acidity or alkalinity may have a deleterious effect on the aging characteristics of Wet Blue and Wet White and the leather made from it.

4.2 This test method is suitable for development, control, and service evaluation of wet blue.

Subcomité:

D31.02

Volúmen:

15.04

Número ICS:

59.140.10 (Processes and auxiliary materials)

Palabras clave:

acidity; alkalinity; blue stock; Delta pH; pH; pH difference; Wet Blue; Wet White;