Method for dosing a liquid using a pipette and a syringe, and pipette for operating a syringe for dosing a liquid

US9289762B2 · kind B2 · utility

Assignee

• Eppendorf AG · DE

Inventors

• Herbert Belgardt · Hamburg, DE
• Peter Molitor · Andale, US
• Burkhardt Reichmuth · Hamburg, DE

Key dates

• Filing date: Apr 22, 2013
• Grant date: Mar 22, 2016
• Expiry date: Aug 7, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01L2400/0478
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette. The syringe is detachably connected to the pipette. The dosing step size is set, or the dosing step size set before is maintained. The dosing volume adjusted via the dosing step size is indicated. Liquid is aspirated into the syringe. Dosing steps are performed, counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated. After performing the maximum number of dosing steps possible without refilling the syringe, either the syringe is detached, or the steps are performed again. The overall performed number of dosing steps with the set dosing step size is counted, and/or the number of dosing steps still possible without refilling is determined and indicated.