Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM D7845-20
Năm ban hành 2020
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Test Method for Determination of Chemical Species in Marine Fuel Oil by Multidimensional Gas Chromatography/Mass Spectrometry
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 12
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 This test method covers the quantitative determination of a variety of chemical species in marine fuel oil (bunker fuel oil) by gas chromatography/mass spectrometry. By using the same conditions and by selecting required mass spectral selected ions, the test method may be used for the determination of other species than those for which precision statements and limits of detection have been established. 1.2 An example list of chemical species for which a limit of quantification has been determined by means of this test method is given in Table 1. 1.3 Other refinery hydrocarbon fractions and their mixtures may be tested using the same test method conditions. However, the precision of this test method reflects the compounds in Table 1. 1.4 Results are reported to the nearest 1.0 mg/kg. 1.5 The values stated in SI units are to be regarded as standard. 1.5.1 Exception-Non-SI values are given for psig. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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