Article: Publication No. WO/2009/118363 Published on Oct. 1, Assigned to KiOR for Low Total Acid Number Bio Crude (Spanish, Dutch Inventors)

Article: Total Acid Number Determination of Biodiesel ...
JAOCS, Journal of the American Oil Chemists' Society;  November 1, 2008 ;     700+ words ... ... repeatability and accuracy of the total acid number (TAN) measurement for soy ... also given. Keywords Biodiesel Total acid number (TAN) ASTM D664 Introduction ... the reference method for the total acid number (TAN) [4]. The TAN, mainly ...

Article: Rapid, portable voltammetric techniques for performing ...
Lubrication Engineering;  January 1, 1998 ;     700+ words ... ... paper describes the development of rapid antioxidant, total acid number (TAN), and total base number (TBN) techniques ... programs detect fluid degradation (Fig. 1) using the total acid number (TAN) measurement technique (ASTM Method 664 ...

Article: Determining total acid in biodiesel.(EMERGING: Fuel ...
Laboratory Equipment;  February 1, 2008 ;     700+ words ... ... standard test method for determining acid number by potentiometric titration ... ASTM D6751 stipulates that the total acid number should be 0.50 mg KOH/g max ... FIGURE 1 OMITTED] Using the total acid number obtained from the potentiometric ...

Article: Determining the Acid Number of Biodiesel
JAOCS, Journal of the American Oil Chemists' Society;  June 1, 2006 ;     700+ words ... ... amounts of FA, which are quantified by an acid number, expressed as milligrams of potassium ... In 2006, the ASTM D 6751 biodiesel acid-number limit was harmonized with the European ... standard reference method for measuring the acid number of both ASTM biodiesel and petroleum ...

Dictionary definition: acid number
A Dictionary of Food and Nutrition;      259 words ...acid number, acid value (of a fat) A measure of its rancidity due to hydrolysis , releasing free fatty acids ; serves as an index of the efficiency of refining since the fatty acids are removed during refining and increase with deterioration during storage.

Article: Titrator determines total acid analysis in ...
R & D;  September 1, 2007 ;     587 words ... ... Karl Fischer, photometric, non-aqueous titrations and ion-selective electrode measurements. The unit can determine total acid/total base in oils. Additional features include one-touch calculations with a statistics package with more than 30 files ...

Article: Free and total acid values revisited.(parts ...
Products Finishing;  December 1, 2005 ;     405 words ... ... reader pointed out that I switched problems/corrective actions in the question from the October column regarding Free and Total Acid Values. It should have stated that too low a value of free acid would not initiate the phosphate reaction and would require ...