Accession Number:

ADD014092

Title:

Hydrocarbon Group-Type Analyzer System.

Descriptive Note:

Patent, Filed 12 Feb 88, patented 7 Feb 89,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s):

• Hayes, Paul C., Jr.
• Anderson, Steven D.

Report Date:

1989-02-07

Pagination or Media Count:

8.0

Abstract:

This invention concerns analysis by high performance liquid chromatography HPLC of crude oils and petroleum products. In one embodiment of the invention a sample is quantitatively separated into saturates, alkyl benzenes and polynuclear aromatics using a system comprising a column packed with a porous silica packing material having a polar amino-cyano bonded phase in tandem with a column packed with a tetranitrofluorenimino packing material, and a dielectric constant detector. In another embodiment of the invention a sample is qualitatively separated into saturates, olefins, and total aromatics using a system employing an olefin-selective column and a dielectric constant detector. Patents. MJM

Descriptors:

• *CRUDE OIL
• *LIQUID CHROMATOGRAPHY
• *PETROLEUM PRODUCTS
• ALKYL RADICALS
• AROMATIC COMPOUNDS
• BENZENE
• CONSTANTS
• DETECTORS
• DIELECTRIC PROPERTIES
• HIGH RESOLUTION
• PACKING MATERIALS
• PATENTS
• POROUS MATERIALS
• SILICON DIOXIDE

Subject Categories:

• Organic Chemistry
• Test Facilities, Equipment and Methods

Distribution Statement:

APPROVED FOR PUBLIC RELEASE