公开(公告)号：US09733228B2

公开(公告)日：2017-08-15

申请号：US14426879

申请日：2014-01-23

Applicant: Purdue Research Foundation

Inventor： Robert Graham Cooks ,  Fred Paul Mark Jjunju ,  Anyin Li ,  Iman S. Rogan

IPC: H01J49/10 ,  G01N33/28 ,  G01N30/72 ,  H01J49/16 ,  H01J49/04 ,  H01J49/00

CPC classification number: G01N33/2823 ,  G01N30/724 ,  G01N30/7266 ,  H01J49/0031 ,  H01J49/04 ,  H01J49/10 ,  H01J49/164

Abstract: The invention generally relates to methods of analyzing crude oil. In certain embodiments, methods of the invention involve obtaining a crude oil sample, and subjecting the crude oil sample to mass spectrometry analysis. In certain embodiments, the method is performed without any sample pre-purification steps.