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Standard Test Method for pH of Wet Blue and Wet White
Translate name
STANDARD published on 1.6.2016
Designation standards: ASTM D6657-16
Note: WITHDRAWN
Publication date standards: 1.6.2016
SKU: NS-641108
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
acidity, alkalinity, blue stock, Delta pH, pH, pH difference, Wet Blue, Wet White,, ICS Number Code 59.140.10 (Processes and auxiliary materials)
Significance and Use | ||||||
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. |
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1. Scope | ||||||
1.1 This test method covers the determination of the pH of all types of Wet Blue and Wet White. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||
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