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Description of ASTM-D2972 2008ASTM D2972 - 08Standard Test Methods for Arsenic in WaterActive Standard ASTM D2972 | Developed by Subcommittee: D19.05 Book of Standards Volume: 11.01 ASTM D2972Significance and Use Herbicides, insecticides, and many industrial effluents contain arsenic and are potential sources of water pollution. Arsenic is significant because of its adverse physiological effects on humans. 1. Scope
1.1 These test methods cover the photometric and atomic absorption determination of arsenic in most waters and wastewaters. Three test methods are given as follows:
1.2 The analyst should direct attention to the precision and bias statements for each test method. It is the user's responsibility to ensure the validity of these test methods for waters of untested matrices. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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. For specific hazard statements, see Note 1 and Note 6. 7.1 This test method covers the determination of dissolved and total recoverable arsenic in most waters and waste waters in the range from 5 to 250 ? g/L of arsenic. 7.2 The precision and bias data were obtained on reagent water, river water, and process water. The information on precision and bias may not apply to other waters. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices. 17.1 This test method covers the determination of dissolved and total recoverable arsenic in most waters and wastewaters in the range from 1 to 20 ? g/L of arsenic. The range may be extended by dilution of the sample. 17.2 The precision and bias data were obtained on reagent water, tap water, salt water, river water, and untreated wastewater. The information on precision and bias may not apply to other waters. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices. 27.1 This test method covers the determination of dissolved and total recoverable arsenic in most waters and wastewaters. 27.2 This test method is applicable in the range from 5 to 100 ? g/L of arsenic using a 20- ? L injection. The range can be increased or decreased by varying the volume of sample injected or the instrumental settings. High concentrations may be diluted but preferably should be analyzed by the atomic absorption-hydride method. 27.3 This test method has been used successfully with reagent water, lake water, river water, well water, filtered well water, and condensate from a medium Btu coal gasification process. It is the user's responsibility to ensure the validity of the test method to other matrices. 27.4 The analyst is encouraged to consult Practice D 3919 for a general discussion of interferences and sample analysis procedures for graphite furnace atomic absorption spectrophotometry. ^REFERENCE:ASTM Standards: D 1129 Terminology Relating to Water D 1193 Specification for Reagent Water D 2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water D 3370 Practices for Sampling Water from Closed Conduits D 3919 Practice for Measuring Trace Elements in Water by Graphite Furnace Atomic Absorption Spectrophotometry D 4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents D 5810 Guide for Spiking into Aqueous Samples D 5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis E 60 Practice for Analysis of Metals, Ores, and Related Materials by Molecular Absorption Spectrometry E 275 Practice for Describing and Measuring Performance of Ultraviolet, Visible, and Near-Infrared Spectrophotometers ^KEYWORDS: arsenic; atomic absorption; colorimetric (Test Method A); graphite furnace (Test Method C); hydride (Test Method B); water ^INDEX TERMS: Arsenic content--water; Atomic absorption spectrophotometry/spectroscopy; Colorimetric analysis--water; Furnaces; Graphite furnace atomic absorption spectrometry (GFAAS); Hydride generation; Inorganic compounds--water; Silver diethyldithiocarbamate (SDDC); Spectrophotometry--atomic absorption (water/wastewater) ^STATUS: Dn Cn Sn Nn Mn ^APPROVAL: 20081001 ^PAGES: 11 ^COMMITTEE: D19 ^SUBCOMMITTEE: 0500 ^BOS: 11.01 ^ORGINFO: ANSI ^ACTION: STD_REVISION ^MISCPUB: ^PDESIG: D2972 ^PYEAR: 2008 ^CLASS: Test Method
ASTM Standards D1129 Terminology Relating to Water D1193 Specification for Reagent Water D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water D3370 Practices for Sampling Water from Closed Conduits D3919 Practice for Measuring Trace Elements in Water by Graphite Furnace Atomic Absorption Spectrophotometry D4841 Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents D5810 Guide for Spiking into Aqueous Samples D5847 Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry E275 Practice for Describing and Measuring Performance of Ultraviolet and Visible Spectrophotometers Keywords arsenic; atomic absorption; colorimetric (Test Method A); graphite furnace (Test Method C); hydride (Test Method B); water; Arsenic content--water; Atomic absorption spectrophotometry/spectroscopy; Colorimetric analysis--water; Furnaces; Graphite furnace atomic absorption spectrometry (GFAAS); Hydride generation; Inorganic compounds--water; Silver diethyldithiocarbamate (SDDC); Spectrophotometry--atomic absorption (water/wastewater); ICS Code ICS Number Code 13.060.50 (Examination of water for chemical substances) DOI: 10.1520/D2972-08 ASTM International is a member of CrossRef. ASTM D2972The 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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