ASTM-D7591:2012 Edition

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D7591-12 Standard Test Method for Determination of Free and Total Glycerin in Biodiesel Blends by Anion Exchange Chromatography

Published By	Publication Date	Number of Pages
ASTM	2012	7

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

ASTM D7591-12

Historical Standard: Standard Test Method for Determination of Free and Total Glycerin in Biodiesel Blends by Anion Exchange Chromatography

ASTM D7591

Scope

1.1 This test method covers and describes an anion exchange chromatography procedure for determining free and total glycerin content of biodiesel (B100) and blends (B0 to B20) with diesel fuel oils defined by Specification D975 Grades 1-D, 2-D, and low sulfur 1-D and 2-D and Specification D6751 (for B100 feedstocks). It is intended for the analysis of biodiesel and blend samples containing between 0.5 to 50 mg/kg glycerin.

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.

Keywords

biodiesel blends; free glycerin; glycerin; ion chromatography; total glycerin

ICS Code

ICS Number Code 75.160.20 (Liquid fuels)

DOI: 10.1520/D7591-12

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method Significance and Use
2	Interferences Apparatus Reagents and Materials FIG. 1
3	Preparation of Standard Solutions Calibration TABLE 1
4	Procedure FIG. 2
5	Calculation Report
6	Quality Control Precision and Bias Keywords TABLE 2
7	X1. QUALITY CONTROL X1.1 X1.2 X1.3 X1.4 X1.5 TABLE 3

Additional information

Standard Title	D7591-12 Standard Test Method for Determination of Free and Total Glycerin in Biodiesel Blends by Anion Exchange Chromatography
Published Code	ASTM
Publication Date	2012
Pages Count	7
ICS Codes	75.160.20 - Liquid fuels