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Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry (Includes all amendments And changes 5/11/2016).
Automatically translated name:
Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
STANDARD published on 1.5.2011
Designation standards: ASTM D5863-00a(2011)
Note: WITHDRAWN
Publication date standards: 1.5.2011
SKU: NS-32847
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
AAS, atomic absorption spectrometry, iron, nickel, sodium, vanadium, Acid decomposition, Atomic absorption spectrometry (AAS), Crude petroleum products, FAAS (flame atomic absorption spectrometry), Iron content--petroleum products, Nickel content--petroleum products, Organic solvents, Residual fuel oils, Sodium content--petroleum products, Vanadium content--petroleum products, ICS Number Code 75.040 (Crude petroleum)
Significance and Use | ||||||||
When fuels are combusted, metals present in the fuels can form low melting compounds that are corrosive to metal parts. Metals present at trace levels in petroleum can deactivate catalysts during processing. These test methods provide a means of quantitatively determining the concentrations of vanadium, nickel, iron, and sodium. Thus, these test methods can be used to aid in determining the quality and value of the crude oil and residual oil. |
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1. Scope | ||||||||
1.1 These test methods cover the determination of nickel, vanadium, iron, and sodium in crude oils and residual fuels by flame atomic absorption spectrometry (AAS). Two different test methods are presented. 1.2 Test Method A, Sections 7–13—Flame AAS is used to analyze a sample that is decomposed with acid for the determination of total Ni, V, and Fe. 1.3 Test Method B, Sections 14–19—Flame AAS is used to analyze a sample diluted with an organic solvent for the determination of Ni, V, and Na. This test method uses oil-soluble metals for calibration to determine dissolved metals and does not purport to quantitatively determine nor detect insoluble particulates. Hence, this test method may underestimate the metal content, especially sodium, present as inorganic sodium salts. 1.4 The concentration ranges covered by these test methods are determined by the sensitivity of the instruments, the amount of sample taken for analysis, and the dilution volume. A specific statement is given in Note 1. 1.5 For each element, each test method has its own unique precision. The user can select the appropriate test method based on the precision required for the specific analysis. 1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.7 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. Specific warning statements are given in 7.1, 8.2, 8.5, 10.2, 10.4, and 15.1. |
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