ASTM D1293 PDF

The pH of water is a critical parameter affecting the solubility of trace minerals, the ability of the water to form scale or to cause metallic corrosion, and the suitability of the water to sustain living organisms. It is a defined scale, based on a system of buffer solutions with assigned values. Pure water in equilibrium with air has a pH of about 5. Scope 1. Two buffers are used to standardize the instrument under controlled parameters, but the conditions are somewhat less restrictive than those in Test Method A. For on-line measurement, also see Test Method D which provides more detail.

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View All Publishers. Quality Management. SCC Standards Store. Popular Standards Bundles. Drawing and Drafting. Telecommunications Standards. AWS D1. Means, Inc. Complete Document. Standard Test Methods for pH of Water. Detail Summary View all details. Price USD. Single User. In Stock.

Need it fast? Ask for rush delivery. Most backordered items can be rushed in from the publisher in as little as 24 hours. Some rush fees may apply. Add to Cart. View Full Details and Buy. Complementary Documents and Links:. These test methods cover the determination of pH by electrometric measurement using the glass electrode as the sensor.

Two test methods are given as follows Test Method A covers the precise measurement of pH in water utilizing at least two of seven standard reference buffer solutions for instrument standardization.

Test Method B covers the routine measurement of pH in water and is especially useful for continuous monitoring. Two buffers are used to standardize the instrument under controlled parameters, but the conditions are somewhat less restrictive than those in Test Method A.

For on-line measurement, also see Test Method D which provides more detail. Refer to Test Methods D and D Precision and bias data were obtained using buffer solutions only. The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade TBT Committee.

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ASTM D1293

Historical Version s - view previous versions of standard. More D It is a defined scale, based on a system of buffer solutions 2 with assigned values. Two test methods are given as follows:. Two buffers are used to standardize the instrument under controlled parameters, but the conditions are somewhat less restrictive than those in Test Method A.

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Standard Test Methods for pH of Water

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