Malvern Instruments Limited

Malvern Panalytical Inc.

James Franklin Kovach

David John Watson

Lewis Jones

Lewis Meurig Jones

A multi-stage dilution device, comprising a first stage dilution apparatus (A), and a second stage dilution apparatus (B), each of the stage dilution device comprising:&#x2014;(i) a housing () having a diluent inlet (); (ii) a sample inlet () having a sample introducer within the housing () adapted to introduce the sample at an introducer point () within the housing (); and, (iii) a mixing conduit () mounted at least partially within the housing (), the mixing conduit () having an inlet section comprising a mouth (), and a fluid outlet (), and a throat section () capable of producing a pressure drop within the mixing conduit (), the pressure drop being sufficient to draw sample through the sample inlet (); the introducer point () of the sample inlet () being proximate the mixing conduit inlet; and wherein the fluid output () of the first stage dilution apparatus (A) is in communication with the sample inlet () of the second stage dilution apparatus (B). A method of diluting a sample is also disclosed.

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Malvern, United Kingdom

James Franklin Kovach