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Norm
ASTM D 2622
Issue date: 2010
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
1.1 This test method covers the determination of total sulfur in petroleum and petroleum products that are single-phase and either liquid at ambient conditions, liquefiab...
Publisher:
American Society for Testing and Materials
Format:
Digital | 12 Pages
Language:
English
Currently valid:
ICS
1.1 This test method covers the determination of total sulfur in petroleum and petroleum products that are single-phase and either liquid at ambient conditions, liquefiable with moderate heat, or soluble in hydrocarbon solvents. These materials can include diesel fuel, jet fuel, kerosene, other distillate oil, naphtha, residual oil, lubricating base oil, hydraulic oil, crude oil, unleaded gasoline, gasohol and biodiesel. 1.2 The range of this test method is between the PLOQ value (calculated by procedures consistent with Practice D6259) of 3 mg/kg total sulfur and the highest level sample in the round robin, 4.6 wt. % total sulfur. Note 1 -Instrumentation covered by this test method can vary in sensitivity. The applicability of the test method at sulfur concentrations below 3 mg/kg may be determined on an individual basis for WDXRF instruments capable of measuring lower levels, but precision in this test method does not apply. 1.2.1 The values of the limit of quantitation (LOQ) and method precision for a specific laboratorys instrument depends on instrument source power (low or high power), sample type, and the practices established by the laboratory to perform the method. 1.3 Samples containing more than 4.6 mass % sulfur should be diluted to bring the sulfur concentration of the diluted material within the scope of this test method. Samples that are diluted can have higher errors than indicated in Section 14 than non-diluted samples. 1.4 Volatile samples (such as high vapor pressure gasolines or light hydrocarbons) may not meet the stated precision because of selective loss of light materials during the analysis. 1.5 A fundamental assumption in this test method is that the standard and sample matrices are well matched, or that the matrix differences are accounted for (see 12.2). Matrix mismatch can be caused by C/H ratio differences between samples and standards or by the presence of other interfering heteroatoms ....(abbreviated)
ASTM D 2622
2021 12 01
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence...
Norm
ASTM D 2622
2016 01 01
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence...
Norm
ASTM D 2622
2010
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Sp...
Norm
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ASTM D 2622
2008
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Sp...
Norm
ASTM D 2622
2007
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Sp...
Norm
ASTM D 2622
2005
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Sp...
Norm
Norm
Issue date :
2016 01 01
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry