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ASTM D5808-09a(2014)

Historical Reaffirmation

Standard Test Method for Determining Chloride in Aromatic Hydrocarbons and Related Chemicals by Microcoulometry

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1.1 This test method covers the organic chlorides in aromatic hydrocarbons, their derivatives, and related chemicals.

1.2 This test method is applicable to samples with chloride concentrations from 1 to 25 mg/kg.

1.3 This test method is preferred over Test Method D5194 for products, such as styrene, that are polymerized by the sodium biphenyl reagent.

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 E29.

1.5 Organic chloride values of samples containing inorganic chlorides will be biased high due to partial recovery of inorganic species during combustion. Interference from inorganic species can be reduced by water washing the sample before analysis. This does not apply to water soluble samples.

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

1.7 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 7.3 and Section 9.


5.1 Organic as well as inorganic chlorine compounds can prove harmful to equipment and reactions in processes involving hydrocarbons.

5.2 Maximum chloride levels are often specified for process streams and for hydrocarbon products.

5.3 Organic chloride species are potentially damaging to refinery processes. Hydrochloric acid can be produced in hydrotreating or reforming reactors and this acid accumulates in condensing regions of the refinery.

SDO ASTM: ASTM International
Document Number D5808
Publication Date Feb. 1, 2014
Language en - English
Page Count 5
Revision Level 09a(2014)
Supercedes
Committee D16.04
Publish Date Document Id Type View
Nov. 1, 2023 D5808-23 Revision
Aug. 15, 2020 D5808-20 Revision
June 1, 2018 D5808-18 Revision
Dec. 1, 2009 D5808-09A Revision
July 1, 2009 D5808-09 Revision
Aug. 10, 2003 D5808-03 Revision
Oct. 10, 1995 D5808-95 Revision
Feb. 1, 2014 D5808-09AR14 Reaffirmation