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Normas ASTM – AENOR
ASTM D2008-91(1996)e1

ASTM D2008-91(1996)e1

Standard Test Method for Ultraviolet Absorbance and Absorptivity of Petroleum Products

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This test method covers the measurement of the ultraviolet absorption of a variety of petroleum products. It covers the absorbance of liquids or the absorptivity of liquids and solids, or both, at wavelengths in the region from 220 to 400 nm of the spectrum.

1.2 The use of this test method implies that the conditions of measurement—wavelength, solvent (if any), sample path length, and sample concentration—are specified by reference to one of the examples of the application of this test method in the annexes or by a statement of other conditions of measurement.

1.3 Examples of the application of this test method are the determination of the absorbance of white mineral oil, the absorptivity of refined petroleum wax, and the absorptivity of USP petrolatum.

1.4 The values stated in SI units are to be regarded as the standard. The values stated in fahrenheit, feet, and inches, indicated in parentheses, are for information only.

1.5 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. For specific warning statements, see 7.3.1, 7.3.3, and 13.4.

Keywords:
petroleum products; ultraviolet absorbance; ultraviolet absorptivity; ultraviolet spectroscopy
51,05
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