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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, Huali Tang, Haiying Wilson, John Salley, Steven O. Ng, K. Y. Simon |
| Copyright Year | 2008 |
| Abstract | The repeatability and accuracy of the total acid number (TAN) measurement for soy oil-based biodiesel–diesel blends using the ASTM D664 method was studied. ASTM D664 is the standard reference method for measuring the acid number of both biodiesel and petroleum-derived diesel, which specifies procedures for the determination of acidic components in biodiesel and diesel, and claims good repeatability and mediocre reproducibility during application, but cites no information on accuracy. However, the accuracy of this method is very important for setting the specifications for biodiesel blends, especially for B20 (a mixture composed of 20% biodiesel with 80% diesel) because of its wide commercial production. The accuracy of ASTM D664 was measured to be within 4.13% for B20 in the acid number range of 0.123–0.332 mg KOH/g. The maximum repeatability was approximately 5.21% at an acid number of 0.123 mg KOH/g. Within the ASTM D6751-07b specification for TAN (0.5 mg KOH/g), good accuracy and repeatability were also obtained. Accuracy specification and electrode operation suggestions for ASTM D664 are also given. |
| Starting Page | 1083 |
| Ending Page | 1086 |
| Page Count | 4 |
| File Format | |
| ISSN | 0003021X |
| Journal | Journal of the American Oil Chemists' Society |
| Volume Number | 85 |
| Issue Number | 11 |
| e-ISSN | 15589331 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2008-08-30 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biodiesel Total acid number (TAN) ASTM D664 Biotechnology Food Science Agriculture Biomaterials Industrial Chemistry/Chemical Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Chemical Engineering |
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