Back to results
US 2023/0278010 A1Published application
Columns and Methods of Use for Analytical Standards and Compounds
OwnerThomas Jakschitz, Douglas T. Gjerde +1inventors
InventorsThomas Jakschitz, Douglas T. Gjerde, Guenther Bonn
Life of this patent
Estimating the term…
Abstract
This invention employs columns and methods to apply external and internal standards and compounds. Analytical standard or compounds are adsorbed to a solid phase extraction media and are stored indefinitely. The standards or compounds remain stable on the solid phase extraction media without decomposing. The standards or compounds may be removed from the solid phase extraction media with a solvent.
Claims9
A method of quantitating analytes in a sample, comprising:
- adsorbing analytes in the sample to solid phase extraction media and standard compounds,
- wherein the standard compounds are adsorbed to said solid phase media, and
- wherein the solid phase extraction media is free of solvent and dry;
- eluting the analytes and standard compounds from the solid phase extraction media with a solvent;
- and
- analyzing the eluted analytes, wherein the standard compounds are used as an internal standard.
3 more elements
Dependencies are inferred from the claim text.