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ASTM D 1685 : 2005

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Standard Test Method for Traces of Thiophene in Benzene by Spectrophotometry (Withdrawn 2009)

Available format(s)

Hardcopy , PDF

Withdrawn date

31-12-2009

Language(s)

English

Published date

01-07-2005

CONTAINED IN VOL. 06.04, 2008 Covers the determination of thiophene in benzene where the thiophene concentration is between 0.1 and 250 mg/kg.

1.1 This test method covers the determination of thiophene in benzene in which the thiophene concentration is between 0.1 and 250 mg/kg.

1.2 Contaminating materials that are darkened by sulfuric acid interfere and must be compensated for by a sample blank determination. Neither carbon disulfide in concentrations as high as 100 mg/kg nor water as high as the level of saturation will interfere.

1.3 Contaminating materials may occasionally cause the color development in this test method to be time dependent and may also contribute to spectral interferences at 589 nm. Consequently, test results indicating substantial thiophene, that cannot be verified by total sulfur analysis, should be considered suspect.

1.4 In determining the conformance of the test results using this method to applicable specifications, results shall be rounded off in accordance with the rounding-off method of Practice E 29.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 7.6, 8.1, and 9.1.

Committee
D 16
DevelopmentNote
Supersedes ASTM D 931. (02/2002)
DocumentType
Test Method
Pages
4
PublisherName
American Society for Testing and Materials
Status
Withdrawn
Supersedes

ASTM D 7124 : 2017 : REDLINE Standard Specification for Benzene for Use with Zeolite Based Catalysts
ASTM D 7185 : 2017 : REDLINE Standard Specification for Low Toluene Low Dioxane (LTLD) Benzene
ASTM D 7185 : 2017 Standard Specification for Low Toluene Low Dioxane (LTLD) Benzene
ASTM D 7124 : 2017 Standard Specification for Benzene for Use with Zeolite Based Catalysts
ASTM D 5871 : 2017 Standard Specification for Benzene for Cyclohexane Feedstock
ASTM D 5871 : 2017 : REDLINE Standard Specification for Benzene for Cyclohexane Feedstock

CFR 29(PT1910.1000 TO END) : 0 LABOR - OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
ASTM D 3437 : 2015 : REDLINE Standard Practice for Sampling and Handling Liquid Cyclic Products
ASTM D 4790 : 2014 : REDLINE Standard Terminology of Aromatic Hydrocarbons and Related Chemicals

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