Mechanism for oscillating a sample holder within a sample vessel

Details Mechanism for oscillating a sample holder within a sample vessel Mechanism for oscillating a sample holder within a sample vessel

1994-09-23

1995-09-26

Noland, Thomas P.

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386385, G01N 110, G01N 116

Patent

active

054526183

ABSTRACT:
A mechanism used in connection with determining a time resolved interaction between a target substance, for instance, an adsorbent and at least one agent, for instance, an adsorbate capable of interacting with the target substance. In accordance with the method the target substance and agent(s) are introduced into a sample vessel. At the same time, the target substance is oscillated within the sample vessel without changing the volume of the sample vessel. A concentration of one or more components associated with the time resolved interaction as a function of time is measured by measuring chamber pressure and simultaneously performing a mass spectroscopical analysis of chamber content at discrete time intervals. The target substance is oscillated by a mechanical movement which oscillates a sample holder configured to hold the target substance. The movement has a finger-like member, preferably formed by welded steel bellows and a curved member rotating within the finger-like member so that motion of the finger-like member does not change chamber volume and therefore effect the pressure measurements that are to be made in accordance with the method.

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patent: 5296197 (1994-03-01), Newberg et al.

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