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ASTM-D7371:2007 Edition

ASTM-D7371:2007 Edition

$40.63

D7371-07 Standard Test Method for Determination of Biodiesel (Fatty Acid Methyl Esters) Content in Diesel Fuel Oil Using Mid Infrared Spectroscopy (FTIR-ATR-PLS Method)

Published By Publication Date Number of Pages
ASTM 2007 10
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1.1 This test method covers the determination of the content of fatty acid methyl esters (FAME) biodiesel in diesel fuel oils. It is applicable to concentrations from 1.00 to 20 volume % (see Note 1). This procedure is applicable only to FAME. Biodiesel in the form of fatty acid ethyl esters (FAEE) will cause a negative bias.

Note 1

Using the proper ATR sample accessory, the range maybe expanded from 1 to 100 volume %, however precision data is not available above 20 volume %.

1.2 The values stated in SI units of measurement are to be regarded as the standard. The values given in parentheses are for information only.

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.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Test Method
Significance and Use
Interferences
Apparatus
TABLE 1
3 Reagents and Materials
Sampling and Sample Handling
Calibration and Qualification of the Apparatus
Quality Control Checks
Procedure
4 Calculation
Report
Precision and Bias
TABLE 2
5 Keywords
A1. CALIBRATION AND QUALIFICATION OF THE APPARATUS
A1.1 Calibration Matrix
A1.2 Calibration
TABLE 3
6 A1.3 Qualification of Instrument Performance
TABLE A1.1
TABLE A1.2
TABLE A1.3
7 A2. SELECTION OF BIODIESEL AND DIESEL FUEL FOR CALIBRATION AND VALIDATION SAMPLES
A2.1 B100 Biodiesel for Calibration and Validation
A2.2 Diesel Fuel for Calibration and Validation
8 A3. SPECTRA
FIG. A3.1
9 FIG. A3.2
10 FIG. A3.3

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