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Standard Practices for Sampling Water-Formed Deposits (Includes all amendments And changes 12/31/2010).
Automatically translated name:
Standard Practices for Sampling Water-Formed Deposits
STANDARD published on 29.10.1982
Designation standards: ASTM D887-82(2003)e1
Note: WITHDRAWN
Publication date standards: 29.10.1982
SKU: NS-39619
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
biological data analysis, corrosivity-water, non-human control, sampling-water applications, scale, slimes, sludge, water-radioactive analysis, water-formed deposits, field/laboratory sampling (for water-formed deposits), practice, ICS Number Code 13.060.30 (Sewage water)
Significance and Use | ||||||||||||||||||||
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. |
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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 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. |
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2. Referenced Documents | ||||||||||||||||||||
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