ASTM-D7871:2023 Edition

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D7871-23 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (Effective Carbon Number)

Published By	Publication Date	Number of Pages
ASTM	2023	7

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Categories: 71.080.10 - Aliphatic hydrocarbons, ASTM

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Description

ASTM D7871-23

Active Standard: Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (Effective Carbon Number)

ASTM D7871

Scope

1.1 This test method covers the determination of the purity of cyclohexane by gas chromatography.

1.2 This test method has been found applicable to the measurement of impurities such as those found in Table 1, which are impurities that may be found in cyclohexane. The impurities can be analyzed over a range with an upper limit of 400 mg/kg by this method, but may be applicable to a wider range. The limit of detection (LOD) is 0.7 mg/kg and the limit of quantitation (LOQ) is 2.3 mg/kg.

Note 1: The LOD and LOQ were calculated from the ILS data for benzene.

1.3 The following applies for the purposes of determining the conformance of the test results using this test method to applicable specifications: results shall be rounded off in accordance with the rounding-off method of Practice E29.

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

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards statements, see Section 8.

1.6 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.

Keywords

analysis by gas chromatography; benzene; cyclohexane;

ICS Code

ICS Number Code 71.080.10 (Aliphatic hydrocarbons)

DOI: 10.1520/D7871-23

Additional information

Standard Title	D7871-23 Standard Test Method for Analysis of Cyclohexane by Gas Chromatography (Effective Carbon Number)
Published Code	ASTM
Publication Date	2023
Pages Count	7
ICS Codes	71.080.10 - Aliphatic hydrocarbons