ASTM D3645-97

Designation: D 3645 – 97
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Methods for
1
Beryllium in Water
This standard is issued under the fixed designation D 3645; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 4841 Practice for Estimation of Holding Time for Water
2
Samples Containing Organic and Inorganic Constituents
1.1 These test methods cover the determination of dissolved
and total recoverable beryllium in most waters and wastewa-
3. Terminology
ters:
3.1 Definitions—For definitions of terms used in these test
Concentration
methods, refer to Terminology D 1129.
Range Sections
3.2 Definitions of Terms Specific to This Standard:
Test Method A–Atomic Absorption, 10 to 500 μg/L 7 to 16
3.2.1 total recoverable beryllium—total recoverable beryl-
Direct
lium relates only to the recoverable forms of beryllium by these
Test Method B–Atomic Absorption, 10 to 50 μg/L 17 to 25
Graphite Furnace
test methods.
1.2 The analyst should direct attention to the precision and
4. Significance and Use
bias statements for each test method. It is the user’s responsi-
4.1 These test methods are significant because the concen-
bility to ensure the validity of these test methods for waters of
tration of beryllium in water must be measured accurately in
untested matrices.
order to evaluate potential health and environmental effects.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Purity of Reagents
responsibility of the user of this standard to establish appro-
5.1 Reagent grade chemicals shall be used in all tests.
priate safety and health practices and determine the applica-
Unless otherwise indicated, it is intended that all reagents shall
bility of regulatory limitations prior to use. For specific hazard
conform to the specifications of the Committee on Analytical
statements, see Section 12, 23.4, and Note 2, Note 6, Note 7,
Reagents of the American Chemical Society, where such
and Note 9.
3
specifications are available. Other grades may be used, pro-
2. Referenced Documents vided it is first ascertained that the reagent is sufficiently high
in purity to permit its use without lessening the accuracy of the
2.1 ASTM Standards:
2
determination.
D 858 Test Methods for Manganese in Water
2
5.2 Unless otherwise indicated, reference to water shall be
D 1068 Test Methods for Iron in Water
2
understood to mean reagent water conforming to Specification
D 1129 Terminology Relating to Water
2
D 1193, Type I. Other reagent water types may be used
D 1193 Specification for Reagent Water
2
provided it is first ascertained that the water is of sufficiently
D 1687 Test Methods for Chromium in Water
2 high purity to permit its use without adversely affecting the
D 1688 Test Methods for Copper in Water
2
bias and precision of the test method. Type II water was
D 1691 Test Methods for Zinc in Water
2 specified at the time of round robin testing of this test method.
D 1886 Test Methods for Nickel in Water
D 3370 Practices for Sampling Water from Closed Con-
6. Sampling
2
duits
2 6.1 Collect the samples in accordance with Practices
D 3557 Test Methods for Cadmium in Water
2 D 3370. The holding time for samples may be calculated in
D 3558 Test Methods for Cobalt in Water
2 accordance with Practice D 4841.
D 3559 Test Methods for Lead in Water
6.2 Preserve samples with HNO (sp gr 1.42), adding about
3
D 3919 Practice for Measuring Trace Elements in Water by
2 2 mL/L, to a pH of 2 or less immediately at the time of
Graphite Furnace Atomic Absorption Spectrophotometry
1 3
These test methods are under the jurisdiction of ASTM Committee D-19 on Reagent Chemicals, American Chemical Society Specifications, American
Water and are the direct responsibility of Subcommittee D19.05 on Inorganic Chemical Society, Washington, DC. For suggestions on the testing of reagents not
Constituents in Water. listed by the American Chemical Society, see Analar Standards for Laboratory
Current edition approved Dec. 10, 1997. Published December 1998. Originally Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
published as D 3645 – 78. Last previous edition D 3645 – 93. and National Formulary, U.S. Pharmaceutical Convention, Inc. (USPC), Rockville,
2
Annual Book of ASTM Standards, Vol 11.01. MD.
1

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D 3645
NOTE 3—Certified beryllium stock solutions are commercially avail-
collection. If only dissolved beryllium is to be determined,
able through chemical supply vendors.
filter the sample, before acidification, through a 0.45-μm
membrane filter.
11.2 Berylli
...