| K894141 | LIQUID CHROMATOGRAPHY COLUMNS | August 21, 1989 |
| K884403 | LIQUID CHROMATOGRAPHY COLUMNS SOLID PHASE EX. TUBE | December 22, 1988 |
| K883615 | LIQUID CHROMATOGRAPHY COLUMNS 5-7070/71/72/73 | December 16, 1988 |
| K881868 | LIQUID CHROMATOGRAPHY COLUMNS HISEP COLUMN & GUARD | August 29, 1988 |
| K881361 | SOLID PHASE EXTRACTION TUBES | August 8, 1988 |
| K880724 | LIQUID CHROMATO. COLUMNS | May 27, 1988 |
| K874824 | CAPILLARY COLUMNS FOR GAS CHROMATOGRAPHY | January 21, 1988 |
| K871174 | 4-9295 BARBITURATES TEST MIX | June 11, 1987 |
| K862542 | CAPILLARY COLUMNS FOR GAS CHROMATOGRAPHY | August 4, 1986 |
| K862541 | LIQUID CHROMATOGRAPHY COLUMNS | July 29, 1986 |
| K861633 | LIQUID CHROMATOGRAPHY COLUMNS | May 23, 1986 |
| K842909 | LIQUID CHROMATOGRAPHY COLUMNS;ION EXCH | October 5, 1984 |
| K841712 | CAPILLARY GAS CHROMATOGRAPHIC COLUMNS | May 21, 1984 |
| K833276 | DRUG STANDARDS | January 1, 1984 |
| K813575 | LIQUID CHROMATOGRAPHY (HPLC) COLUMNS | January 18, 1982 |
| K811674 | DRUG STANDARDS | July 15, 1981 |
| K811304 | LIQUID CHROMATOGRAPHY COLUMNS | May 27, 1981 |
| K810743 | LECITHIN-SPINGOMYELIN STAND. & KITS | March 31, 1981 |
| K810742 | AQUEOUS TRIOLEIN STANDARDS & KITS | March 31, 1981 |
| K802278 | IN VITRO DIAGNOSTIC STANDARDS | November 24, 1980 |