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Significance and Use
4.1 This test method may be run together with Test Method C1432 to analyze for trace impurities in Pu metal. Using the technique described in this test method and the technique described in Test Method C1432 will provide the analyst with a more thorough verification of the impurity concentrations contained in the Pu metal sample. In addition, Test Method C1432 can be used to determine impurity concentrations for analytes such as Ca, Fe, Na, and Si, which have not been determined using this test method.
4.3 This test method has been validated for use on materials that meet the specifications described in Specification C757 and Test Methods C758 and C759.
4.4 This test method has been validated for all elements listed in Table 1.
Element | N | Mean R, % | RSD, % |
Lithium | 22 | 93.65 | 7.26 |
Beryllium | 22 | 96.46 | 8.14 |
Boron | 22 | 98.48 | 6.97 |
Magnesium | 22 | 98.30 | 7.58 |
Aluminium | 22 | 99.66 | 8.62 |
Phosphorus | 22 | 99.43 | 8.96 |
Titanium | 22 | 99.25 | 2.44 |
Vanadium | 22 | 94.44 | 7.38 |
Chromium | 22 | 97.29 | 3.90 |
Manganese | 22 | 95.48 | 3.46 |
Cobalt | 22 | 95.92 | 4.35 |
Nickel | 22 | 96.78 | 3.98 |
Zinc | 22 | 94.24 | 4.12 |
Copper | 22 | 96.66 | 3.70 |
Germanium | 22 | 98.16 | 4.54 |
Arsenic | 22 | 101.38 | 8.67 |
Selenium | 22 | 101.15 | 8.00 |
Rubidium | 22 | 100.24 | 5.36 |
Strontium | 22 | 98.89 | 4.16 |
Yttrium | 22 | 98.07 | 3.81 |
Zirconium | 22 | 98.10 | 3.41 |
Niobium | 22 | 96.92 | 3.65 |
Molybdenum | 22 | 97.82 | 3.81 |
MolybdenumA | 21 | 98.36 | 2.90 |
Ruthenium | 22 | 98.32 | 2.14 |
Palladium | 22 | 97.69 | 2.49 |
Silver | 22 | 105.14 | 7.88 |
SilverA | 21 | 106.56 | 4.26 |
Cadmium | 22 | 96.03 | 3.72 |
Indium | 22 | 98.01 | 3.57 |
Tin | 22 | 97.25 | 3.94 |
Antimony | 22 | 95.05 | 6.21 |
Tellurium | 22 | 100.10 | 6.86 |
Caesium | 22 | 101.81 | 6.93 |
Barium | 22 | 97.99 | 3.68 |
Lanthanum | 22 | 98.31 | 3.84 |
Cerium | 22 | 97.57 | 3.72 |
Praeseodymium | 22 | 97.32 | 3.00 |
Neodymium | 22 | 97.22 | 3.56 |
Samarium | 22 | 98.39 | 3.34 |
Europium | 22 | 97.43 | 3.02 |
Gadolinium | 22 | 100.04 | 2.78 |
Terbium | 22 | 97.62 | 2.72 |
Dysprosium | 22 | 98.18 | 2.20 |
Holmium | 22 | 98.61 | 2.21 |
Erbium | 22 | 98.05 | 2.29 |
Ytterbium | 22 | 99.59 | 2.43 |
Lutetium | 22 | 97.06 | 5.00 |
LutetiumA | 21 | 97.79 | 3.72 |
Hafnium | 22 | 100.32 | 3.95 |
Tantalum | 22 | 93.42 | 3.21 |
TantalumA | 21 | 93.89 | 2.43 |
Tungsten | 22 | 96.29 | 3.54 |
Rhenium | 22 | 99.75 | 3.28 |
Iridium | 22 | 99.88 | 3.70 |
Platinum | 22 | 100.57 | 3.93 |
Gold | 22 | 101.20 | 5.35 |
GoldA | 21 | 100.41 | 3.96 |
Thallium | 22 | 100.09 | 5.02 |
Lead | 22 | 101.58 | 5.54 |
Bismuth | 22 | 100.70 | 5.43 |
Thorium | 22 | 103.30 | 6.89 |
Uranium | 22 | 104.14 | 9.11 |
1. Scope
1.1 This Test Method covers the determination of 58 trace elements in plutonium (Pu) metal. The Pu sample is dissolved in acid, and the concentration of the trace impurities are determined by Inductively Coupled Plasma-Mass Spectroscopy (ICP-MS).
1.2 This Test Method is specific for the determination of trace impurities in Pu metal. It may be applied to other types of Pu materials, such as Pu oxides, if the samples are dissolved and oxidized to the Pu(IV) state. However, it is the responsibility of the user to evaluate the performance of other matrices.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
C757 Specification for Nuclear-Grade Plutonium Dioxide Powder, Sinterable
C758 Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Metal
C759 Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
C1168 Practice for Preparation and Dissolution of Plutonium Materials for Analysis
C1432 Test Method for Determination of Impurities in Plutonium: Acid Dissolution, Ion Exchange Matrix Separation, and Inductively Coupled Plasma-Atomic Emission Spectroscopic (ICP/AES) Analysis
D1193 Specification for Reagent Water
ICS Code
ICS Number Code 71.060.10 (Chemical elements)
UNSPSC Code
UNSPSC Code 12141735(Plutonium Pu)
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DOI: 10.1520/C1637-13
Citation Format
ASTM C1637-13, Standard Test Method for the Determination of Impurities in Plutonium Metal: Acid Digestion and Inductively Coupled Plasma-Mass Spectroscopy (ICP-MS) Analysis, ASTM International, West Conshohocken, PA, 2013, www.astm.org
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