STACEY JOY GREENHILL
Pilots at Prestwick Ln, Wheeling, IL

License number
Illinois A1301104
Issued Date
Aug 2015
Expiration Date
Aug 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
589 Prestwick Ln, Wheeling, IL 60090
LicenseFiles verified this license of May 6, 2017 at the Federal Aviation Administration.

Professional information

Stacey Greenhill Photo 1

Method For Determination Of Free And Combined Glycerin In Biodiesel

US Patent:
2004013, Jul 15, 2004
Filed:
Dec 22, 2003
Appl. No.:
10/744272
Inventors:
Stacey Greenhill - Wheeling IL, US
Assignee:
Stepan Company - Northfield IL
International Classification:
C12Q001/66
US Classification:
435/008000, 436/060000
Abstract:
A method for determining the glycerin content of a biodiesel sample is provided which utilizes the conversion of the glycerin content of the biodiesel sample into a colored compound, preferably quinoneimine dye. The concentration of the colored compound, preferably quinoneimine dye, in the biodiesel sample may then be measured and converted to a concentration of glycerin in the biodiesel sample.

Pilots licenses in Illinois