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Description of ASTM-E1910 2009ASTM E1910 / E1910M - 04(2009)Test Method for Agricultural pH Control AgentsActive Standard ASTM E1910 / E1910M | Developed by Subcommittee: E35.22 Book of Standards Volume: 11.05 ASTM E1910 / E1910MSignificance and Use This test method is intended for products sold as tank mix adjuvants for use with agricultural products. Part A provides a determination of whether the pH modification characteristics of the adjuvant tested meet the definition of an acidifier, alkalinity agent, or a basic blend in Terminology E1519 . Part B provides a measure of the buffer capacity of the adjuvant. This can be used to estimate the amount of a buffer that will be required to keep a spray solution at the desired pH. Other pH standards can be used (see Test Method E70 ) as long as the pHs measured are not outside the range of the standards used. If samples of the material to be used in a particular application are available, the first method can be used to determine what adjuvant rate is required to obtain the desired pH. The ability of an adjuvant to adjust the pH of a particular system will depend on the initial pH before addition. The second method can be used to determine the amount of an adjuvant required to change the pH of a quantity of spray solution to the required value (see Note 1). Note 1Many acidifiers and basic blends also are buffers, so the pH change does not provide a useful measure of buffer capacity. 1. Scope 1.1 These test methods cover determining if an adjuvant meets the definitions of an acidifier, a basic blend, alkalinity agent, or buffer in Terminology E1519 . 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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 Standards D1126 Test Method for Hardness in Water D1193 Specification for Reagent Water E70 Test Method for pH of Aqueous Solutions With the Glass Electrode E200 Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis E1519 Terminology Relating to Agricultural Tank Mix Adjuvants Keywords acidifier; adjuvant; agricultural adjuvant; alkalinity agent; basic blend; buffer; pH; Acidifiers; Adjuvants; Agricultural materials/applications; Base blends; Tank mix adjuvants; ICS Code ICS Number Code 65.020.99 (Other standards related to farming and forestry) DOI: 10.1520/E1910_E1910M-04R09 ASTM International is a member of CrossRef. ASTM E1910 / E1910MThis book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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