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Description of ASTM-D887 2013ASTM D887 - 13Standard Practices for Sampling Water-Formed DepositsActive Standard ASTM D887 | Developed by Subcommittee: D19.03 Book of Standards Volume: 11.02 ASTM D887Significance and Use 5.1 The goal of sampling is to obtain for analysis a portion of the whole that is representative. The most critical factors are the selection of sampling areas and number of samples, the method used for sampling, and the maintenance of the integrity of the sample prior to analysis. Analysis of water-formed deposits should give valuable information concerning cycle system chemistry, component corrosion, erosion, the failure mechanism, the need for chemical cleaning, the method of chemical cleaning, localized cycle corrosion, boiler carryover, flow patterns in a turbine, and the rate of radiation build-up. Some sources of water-formed deposits are cycle corrosion products, make-up water contaminants, and condenser cooling water contaminants. 1. Scope 1.1 These practices cover the sampling of water-formed deposits for chemical, physical, biological, or radiological analysis. The practices cover both field and laboratory sampling. It also defines the various types of deposits. The following practices are included:
1.2 The general procedures of selection and removal of deposits given here can be applied to a variety of surfaces that are subject to water-formed deposits. However, the investigator must resort to his individual experience and judgment in applying these procedures to his specific problem. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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. See Section 7 , 9.8 , 9.8.4.6 , and 9.14 for specific hazards statements.
ASTM Standards D512 Test Methods for Chloride Ion In Water D934 Practices for Identification of Crystalline Compounds in Water-Formed Deposits By X-Ray Diffraction D1129 Terminology Relating to Water D1193 Specification for Reagent Water D1245 Practice for Examination of Water-Formed Deposits by Chemical Microscopy D1293 Test Methods for pH of Water D2331 Practices for Preparation and Preliminary Testing of Water-Formed Deposits D2332 Practice for Analysis of Water-Formed Deposits by Wavelength-Dispersive X-Ray Fluorescence D3483 Test Methods for Accumulated Deposition in a Steam Generator Tube D4412 Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits Keywords ICS Code ICS Number Code 13.060.30 (Sewage water) DOI: 10.1520/D0887-13 ASTM International is a member of CrossRef. ASTM D887The following editions for this book are also available...This 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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