Sample filtration, separation and dispensing device

摘要

An apparatus for dispensing a predetermined amount of a sample into a fluid. The apparatus comprises a chamber which may be inserted into a cuvette. The chamber comprises a membrane or filter ball for dispensing a predetermined amount of a sample into a fluid upon contact of the membrane or filter ball and the sample by the fluid. The fluid is brought into contact with the sample by vortexing the fluid with a vortex mixer.