ASTM D6739-11
Standard Test Method for SilicapH Value
- Standard No.
- ASTM D6739-11
- Release Date
- 2011
- Published By
- American Society for Testing and Materials (ASTM)
- Status
- Replace By
- ASTM D6739-11(2015)
- Latest
- ASTM D6739-20
- Scope
The pH level of silica, as measured by this test method, is known to affect the vulcanization of some rubber compounds. Refer to Test Method E70 for a fuller understanding of pH and a more detailed procedure for making pH measurements.
1.1 This test method is used to measure the pH of a 5 % silica/water suspension or mechanical dispersion and is indicative of the relative acidity or alkalinity of the silica.
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.
ASTM D6739-11 Referenced Document
- ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
- ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
- ASTM E70 Standard Test Method for pH of Aqueous Solutions With the Glass Electrode
ASTM D6739-11 history
- 2020 ASTM D6739-20 Standard Test Method for Silica—pH Value
- 2011 ASTM D6739-11(2015) Standard Test Method for Silica&x2014;pH Value
- 2011 ASTM D6739-11 Standard Test Method for Silica
- 2006 ASTM D6739-01(2006) Standard Test Method for Silica - pH Value
- 2001 ASTM D6739-01 Standard Test Method for Silica8212;pH Value
