非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 ASTM D6739-2011(2015) 前三页，或者稍后再访问。
3.1x00a0;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 for a fuller understanding of pH and a more detailed procedure for making pH measurements.
1.1x00a0;This test method is used to measure the pH of a 58201;% silica/water suspension or mechanical dispersion and is indicative of the relative acidity or alkalinity of the silica.
1.2x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3x00a0;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.
Copyright ©2007-2016 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证：京ICP证110310号