ASTM D5673-96
(Test Method)Standard Test Method for Elements in Water by Inductively Coupled Plasma—Mass Spectrometry
Standard Test Method for Elements in Water by Inductively Coupled Plasma—Mass Spectrometry
SCOPE
1.1 This test method covers the determination of dissolved elements in ground water, surface water, and drinking water. It may also be used for the determination of total-recoverable elements in these waters as well as wastewater.
1.2 This test method should be used by analysts experienced in the use of inductively coupled plasma—mass spectrometry (ICP-MS), the interpretation of spectral and matrix interferences and procedures for their correction.
1.3 It is the user's responsibility to ensure the validity of the test method for waters of untested matrices.
1.4 Talbe 1 lists elements for which the test method applies, with recommended masses and typical estimated instrumental detection limits using conventional pneumatic nebulization. Actual working detection limits are sample dependent and, as the sample matrix varies, these detection limits may also vary. In time, other elements may be added as more information becomes available and as required.
1.5 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.
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Designation: D 5673 – 96
Standard Test Method for
Elements in Water by Inductively Coupled Plasma—Mass
1
Spectrometry
This standard is issued under the fixed designation D 5673; 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.
TABLE 1 Recommended Analytical Mass and Estimated
1. Scope
Instrument Detection Limits
1.1 This test method covers the determination of dissolved
Recommended Estimated Instrument
Element
elements in ground water, surface water, and drinking water. It A
Analytical Mass Detection Limit, μg/L
may also be used for the determination of total-recoverable
Aluminum 27 0.05
2
elements in these waters as well as wastewater.
Antimony 121 0.08
Arsenic 75 0.9
1.2 This test method should be used by analysts experienced
Barium 137 0.5
in the use of inductively coupled plasma—mass spectrometry
Beryllium 9 0.1
(ICP-MS), the interpretation of spectral and matrix interfer-
Cadmium 111 0.1
ences and procedures for their correction. Chromium 52 0.07
Cobalt 59 0.03
1.3 It is the user’s responsibility to ensure the validity of the
Copper 63 0.03
test method for waters of untested matrices.
Lead 206, 207, 208 0.08
Manganese 55 0.1
1.4 Table 1 lists elements for which the test method applies,
Molybdenum 98 0.1
with recommended masses and typical estimated instrumental
Nickel 60 0.2
detection limits using conventional pneumatic nebulization.
Selenium 82 5.0
Silver 107 0.05
Actual working detection limits are sample dependent and, as
Thallium 205 0.09
the sample matrix varies, these detection limits may also vary.
Thorium 232 0.03
In time, other elements may be added as more information
Uranium 238 0.02
Vanadium 51 0.02
becomes available and as required.
Zinc 66 0.2
1.5 This standard does not purport to address all of the
A
Instrument detection limits (3s) estimated from seven replicate scans of the
safety concerns, if any, associated with its use. It is the
blank (1 % v/v HNO ) and three replicate integrations of a multi-element standard.
3
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
3.2 Definitions of Terms Specific to This Standard:
bility of regulatory limitations prior to use.
3.2.1 calibration blank—a volume of water containing the
same acid matrix as the calibration standards (see 11.1).
2. Referenced Documents
3.2.2 calibration shock solution—a solution prepared from
2.1 ASTM Standards:
the stock standard solution(s) to verify the instrument response
3
D 1066 Practice for Sampling Steam
with respect to analyte concentration.
3
D 1129 Terminology of Terms Relating to Water
3.2.3 calibration standards—a series of known standard
D 1192 Specification for Equipment for Sampling Water
solutions used by the analyst for calibration of the instrument
3
and Steam in Closed Conduits
(that is, preparation of the analytical curve) (see Section 11).
D 1193 Specification for Reagent Water
3.2.4 dissolved—those elements that will pass through a
D 3370 Practices for Sampling Water from Closed Con-
0.45-μm membrane filter.
3
duits
3.2.5 instrumental detection limit—the concentration
equivalent to a signal which is equal to three times the standard
3. Terminology
deviation of the blank signal at the selected analytical mass(es).
3.1 Definitions—For definitions of other terms used in this
3.2.6 internal standard—pure analyte(s) added in known
test method, refer to Terminology D 1129.
amount(s) to a solution. This is used to measure the relative
instrument response to the other analytes that are components
1 of the same solution. The internal standards must be analytes
This test method is under the jurisdiction of ASTM Committee D-19 on Water
that are not a sample component.
and is the direct responsibility of Subcommittee D19.05 on Inorganic Constituents
in Water.
3.2.7 method detection limit—the minimum concentration
Current edition approved Feb. 10, 1996. Published April 1996.
of an analyte that can be identified, measured and reported with
2
EPA Test Method: Determination of Trace Elements in Waters and Wastes by
99 % confidence that the analyte concentration is greater than
Inductively Coupled Plasma—Mass Spectrometry, Method 200.8.
3
Annual Book of ASTM Standards, Vol 11.01. zero. This confidence level is determined from analysis of a
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D 5673
TABLE 2 Recommended Analytical Isotopes and Additional
sample in a given matrix containing the analyte(s).
Masses That Are Recommended To Be Monitore
...
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