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Class 436/158 - Dividing or separating a sample stream


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Subject matter a sample stream is divided into portions.
No. of applications: 3
Last issue date: 03/04/2010


Application No.Application TitleIssue Date
20100055802Analysis using separation combined with chemical conversion followed by optical spectroscopy
The present invention relates to the separation, quantitative measurement, and analysis of trace species using a combination of three steps in succession. First, trace species are separated from other species that are present. Second, the trace species are chemically mo...
03/04/2010
20090081804Monitor and methods for characterizing airborne particulates
A dust monitor is disclosed that is suitably deployed in dusty environments and capable of providing near real-time indications of exposure to airborne particulates. The monitor includes a filter and filter assembly made of materials that do not interfere with subsequen...
03/26/2009
20090011512CONDITIONING SYSTEM AND METHOD FOR USE IN THE MEASUREMENT OF MERCURY IN GASEOUS EMISSIONS
Embodiments of the invention relate generally to systems used to measure mercury in gaseous emissions. In one aspect, the invention is directed to the use of silicon carbide as material for a thermal pyrolysis unit. In another aspect, at least one of silicon nitride, si...
01/08/2009
 
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