ASTM D7371-12

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

STANDARD published on 15.4.2012

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The information about the standard:

Designation standards: ASTM D7371-12
Note: WITHDRAWN
Publication date standards: 15.4.2012
SKU: NS-38301
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D7371-12 :

Keywords:

biodiesel, biodiesel blend, biodiesel (FAME) content, FAME, fatty acid methyl esters, infrared spectroscopy, ICS Number Code 75.160.20 (Liquid fuels)

Additional information

Significance and Use

Biodiesel is a blendstock commodity primarily used as a value-added blending component with diesel fuel.

This test method is applicable for quality control in the production and distribution of diesel fuel and biodiesel blends containing FAME.

1. Scope

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.

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.

2. Referenced Documents

D4052-22	Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
E2056-04(2016)	Standard Practice for Qualifying Spectrometers and Spectrophotometers for Use in Multivariate Analyses, Calibrated Using Surrogate Mixtures
E1655-17	Standard Practices for Infrared Multivariate Quantitative Analysis
E168-16(2023)	Standard Practices for General Techniques of Infrared Quantitative Analysis
D7467-23	Standard Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20)
D6751-23a	Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels (Includes all amendments and changes 5/3/2023).
D6299-23a	Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance (Includes all amendments and changes 12/12/2023).
D5854-19a	Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products (Includes all amendments and changes 8/13/2019).
D4737-21	Standard Test Method for Calculated Cetane Index by Four Variable Equation
D4307-17(2021)	Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards
D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D4177-22e1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).
D976-21e1	Standard Test Method for Calculated Cetane Index of Distillate Fuels (Includes all amendments and changes 2/23/2023).
D1298-12b(2017)e1	Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (Includes all amendments and changes 3/14/2023).
D975-23a	Standard Specification for Diesel Fuel (Includes all amendments and changes 12/19/2023).

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