Method and apparatus for determining a concentration of a component in an unknown mixture

The invention relates to a method and apparatus for determining a concentration of a component in an unknown mixture. The method includes the steps of preparing a reactant having a specified pH level and a specified temperature and combining the unknown mixture with the reactant. The method further...

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Bibliographische Detailangaben
Hauptverfasser:	DALMIA AVINASH, PROHASKA OTTO J
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TESTING THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a method and apparatus for determining a concentration of a component in an unknown mixture. The method includes the steps of preparing a reactant having a specified pH level and a specified temperature and combining the unknown mixture with the reactant. The method further includes varying the pH level and temperature of the combination of the reactant and the unknown mixture to facilitate converting at least one selected component. Upon varying the pH level and temperature, the method will release volatiles from the selected component(s). Based on these released volatiles, which indicate the concentration of the selected component(s), the method detects the indication. The apparatus for determining a concentration of a component in an unknown mixture includes a container having a specified volume, a reactant chamber, and a sample chamber. The receptacle contains a reactant, placed within the reactant chamber, having a predetermined pH level and a predetermined volume. The receptacle also has a headspace sampling interface in contact with the container for permitting connection to a headspace sampling device and a sample introduction interface for permitting connection to a sample injector to introduce a sample into the sample chamber.