ASTM-D6584 2010

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D6584-10ae1 Standard Test Method for Determination of Total Monoglyceride, Total Diglyceride, Total Triglyceride, and Free and Total Glycerin in B-100 Biodiesel Methyl Esters by Gas Chromatography

Published By	Publication Date	Number of Pages
ASTM	2010	9

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

1.1 This test method covers the quantitative determination of total monoglyceride, total diglyceride, total triglyceride, and free and total glycerin in B-100 methyl esters by gas chromatography. The range of quantitation for monoglyceride is 0.100 to 1.000 mass %, for diglyceride is 0.050 to 0.500 mass %, and for triglyceride is 0.050 to 0.500 mass %. The range of quantitation for free glycerin is 0.005 to 0.05 mass % and for total glycerin from 0.05 to 0.5 mass %. This procedure is not applicable to vegetable oil methyl esters obtained from lauric oils, such as coconut oil and palm kernel oil.

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

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use Apparatus
2	Reagents and Materials Preparation of Apparatus Calibration and Standardization TABLE 1 TABLE 2
3	Procedure Calculation and Report TABLE 3 TABLE 4
4	Precision and Bias FIG. 1
5	Keywords X1. REFERENCE MIX AND EXAMPLE CHROMATOGRAMS FOR IMPROVED PEAK IDENTIFICATION X1.1 Summary X1.2 Reagents and Materials
6	X1.3 Preparation of Monoglyceride Standard X1.4 Variations in Chromatography Due to Constant Pressure Operation Compared to Constant Flow Operation X1.5 Additional Example Chromatograms FIG. X1.1
7	FIG. X1.2 FIG. X1.3
8	FIG. X1.4 FIG. X1.5
9	FIG. X1.6

Additional information

Standard Title	D6584-10ae1 Standard Test Method for Determination of Total Monoglyceride, Total Diglyceride, Total Triglyceride, and Free and Total Glycerin in B-100 Biodiesel Methyl Esters by Gas Chromatography
Published Code	ASTM
Publication Date	2010
Pages Count	9
ICS Codes	75.160.20 - Liquid fuels

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ASTM-D6584 2010

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