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Description of ASTM-C1590 2009ASTM C1590 - 04(2009)Standard Practice for Alternate Actinide Calibration for Inductively Coupled Plasma-Mass SpectrometryActive Standard ASTM C1590 | Developed by Subcommittee: C26.05 Book of Standards Volume: 12.01 ASTM C1590Significance and Use One of the benefits of this standard practice is the ability to calibrate for the analysis of highly radioactive actinides using calibration standards at much lower specific activities (that is, 232 Th and 238 U). Environmental laboratories may find this standard practice useful if facilities are not available to handle the highly radioactive standards of the individual actinides of interest. The degree of actual mass bias is variable and is dependent upon instrument tune parameters. This standard practice uses universal interference equations to derive a mass bias correction that is specific to the instrument parameters and tune used for sample data acquisition and not based on a historical average. Mass bias correction uses the instrument software interference equations and does not require additional subsequent off-line calculations. The methodology that this standard practice is based on has been used for the determination of 232 Th and 237 Np in enriched uranium solutions and the determination of 241 Am in plutonium and uranium legacy oxides following dissolution and ion extraction chromatography separation. 1. Scope 1.1 This practice provides guidance for an alternate linear calibration for the determination of selected actinide isotopes in appropriately prepared aqueous solutions by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). This alternate calibration is mass bias adjusted using thorium-232 ( 232 Th) and uranium-238 ( 238 U) standards. One of the benefits of this standard practice is the ability to calibrate for the analysis of highly radioactive actinides using calibration standards at much lower specific activities. Environmental laboratories may find this standard practice useful if facilities are not available to handle the highly radioactive standards of the individual actinides of interest. 1.2 The instrument response for a series of determinations of known concentration of 232 Th and 238 U defines the mass versus response relationship. For each standard concentration, the slope of the line defined by 232 Th and 238 U is used to derive linear calibration curves for each mass of interest using interference equations. The mass bias corrected calibration curves, although generated from interference equations, are specific to the instrument operating parameters and tuning in effect at the time of data acquisition. Because interference equations are part of the normal ICP-MS manufacturer's software package, this calibration methodology is widely applicable. 1.3 For this standard practice, the actinide atomic mass range that has been studied is from amu 232 244. Guidance for an extended range of amu 228 248 is given in this practice. 1.4 Using this practice, analyte concentrations are reported at each amu and not by element total (that is, 239 Pu versus plutonium). 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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.
ASTM Standards C859 Terminology Relating to Nuclear Materials C1168 Practice for Preparation and Dissolution of Plutonium Materials for Analysis C1347 Practice for Preparation and Dissolution of Uranium Materials for Analysis C1411 Practice for The Ion Exchange Separation of Uranium and Plutonium Prior to Isotopic Analysis C1414 Practice for The Separation of Americium from Plutonium by Ion Exchange C1463 Practices for Dissolving Glass Containing Radioactive and Mixed Waste for Chemical and Radiochemical Analysis D1193 Specification for Reagent Water Keywords actinides; inductively coupled plasma-mass spectrometry (ICP-MS); mass bias; thorium; uranium; Actinides; ICP-MS (inductively-coupled plasma-mass spectrometry); Thorium; Uranium ; ICS Code ICS Number Code 71.040.50 (Physicochemical methods of analysis) DOI: 10.1520/C1590-04R09 ASTM International is a member of CrossRef. ASTM C1590This 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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