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ASTM D1016-05(2015)

Current Revision

Standard Test Method for Purity of Hydrocarbons from Freezing Points

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1.1 This test method covers the sampling and determination of purity of essentially pure compounds for which the freezing points for zero impurity and cryoscopic constants are given.2 The compounds to which the test method is applicable are: (Warning—Extremely flammable liquids and liquefied gases.)

n-butane

1,3-butadiene

isobutane

isoprene(2-methyl-1,3-butadiene)

n-pentane

benzene

isopentane

toluene (methylbenzene)

n-hexane

ethylbenzene

n-heptane

o-xylene (1,2-dimethylbenzene)

n-octane

m-xylene (1,3-dimethylbenzene)

2,2,4-trimethylpentane

p-xylene (1,4-dimethylbenzene)

methylcyclohexane

styrene (ethenylbenzene)

isobutene

 

1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.3 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 hazard statements, see Sections 1, 6, 8, and 10 – 26.

Note 1: This test method covers systems in which the impurities form with the major component a substantially ideal or sufficiently dilute solution, and also systems which deviate from the ideal laws, provided that, in the latter case, the lowering of the freezing point as a function of the concentration is known for each most probable impurity in the given substance.


4.1 The experimental procedures and physical constants provided by this test method, when used in conjunction with Test Method D1015, allow the determination of the purity of the material under test. A knowledge of the purity of these hydrocarbons is often needed to help control their manufacture and to determine their suitability for use as reagent chemicals or for conversion to other chemical intermediates or finished products.

SDO ASTM: ASTM International
Document Number D1016
Publication Date April 1, 2015
Language en - English
Page Count 13
Revision Level 05(2015)
Supercedes
Committee D02.04.0D
Publish Date Document Id Type View
April 1, 2015 D1016-05R15 Revision
Nov. 1, 2005 D1016-05E02 Revision
Nov. 1, 2005 D1016-05E01 Revision
Nov. 1, 2005 D1016-05 Revision
Nov. 10, 1999 D1016-99 Revision
May 1, 2010 D1016-05R10 Reaffirmation
May 1, 2004 D1016-99R04E01 Reaffirmation