Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806489 | Matrix modifier and method for modifying a matrix to improve analysis of metal constituents during graphite furnace atomic absorption spectroscopy | — | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806489 | Matrix modifier and method for modifying a matrix to improve analysis of metal constituents during graphite furnace atomic absorption spectroscopy | — | 1989-02-21 |