ASTM International - ASTM D548-97(2002)
Standard Test Method for Water-Soluble Acidity or Alkalinity of Paper (Withdrawn 2009)
| Organization: | ASTM International |
| Publication Date: | 10 December 1997 |
| Status: | inactive |
| Page Count: | 4 |
| ICS Code (Paper and board): | 85.060 |
significance And Use:
The pH determination measures the extent to which the paper alters the hydrogen-hydroxyl ion equilibrium of pure water, and the acidity-alkalinity determination measures the quantity of extracted... View More
scope:
1.1 This test method covers the determination of the water-soluble acidity or alkalinity of paper.
1.2 It may be applied to writing, printing, and sized industrial paper but is not intended for testing electrical insulating papers nor those containing alkaline fillers or coatings such as casein or calcium carbonate.
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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