ASTM-D6387 2005

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D6387-99(2005) Standard Test Methods for Composition of Turpentine and Related Terpene Products by Capillary Gas Chromatography

Published By	Publication Date	Number of Pages
ASTM	2005	5

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Description

ASTM D6387-99-Reapproved2005

Historical Standard: Standard Test Methods for Composition of Turpentine and Related Terpene Products by Capillary Gas Chromatography

ASTM D6387

Scope

1.1 These test methods describe the determination of the amounts of alpha-pinene, α-pinene, dipentene, terpene alcohols, and other terpene compounds in turpentine and related terpene products using capillary gas chromatography. The two methods for determining the amount of the individual terpene compounds are the “internal standard” method, which yields absolute values, and the “area percent” method, which yields relative values.

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

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 the standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Note 1—Overall this test method gives excellent repeatability but only moderate reproducibility. This greater than normal differential is a consequence of the variety of gas chromatography (GC) columns and other variables used by participants. These variables, coupled with the complex composition of the test products, enabled some workers to separate peaks that others reported as one peak; thus, this test method gives excellent precision within a given laboratory on a given GC. When laboratory to laboratory comparison have to be made, however, it is essential that the GC operating conditions be defined closely. Subcommittee D01.34 will be working on this problem prior to the next version of this test method.

Keywords

capillary column; dipentene; gas chromatography; pine oil; turpentine

ICS Code

ICS Number Code n/a

DOI: 10.1520/D6387-99R05

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Apparatus Reagents Preparation of Calibration Standard Gas Chromatograph Operating Conditions Calibration of Gas Chromatograph Preparation of Test Sample Analysis Calculation
3	Report Precision and Bias FIG. 1 FIG. 1
4	Preparation of Retention Time Standard Set-Up of Gas Chromatograph Preparation of Test Sample Analysis Calculation FIG. 1
5	Report Precision and Bias Keywords

Additional information

Standard Title	D6387-99(2005) Standard Test Methods for Composition of Turpentine and Related Terpene Products by Capillary Gas Chromatography
Published Code	ASTM
Publication Date	2005
Pages Count	5