http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0594838-A1

Outgoing Links

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assignee http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e08fd85d97265d6c31ab40f372843d81
classificationCPCAdditional http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N21-94
classificationCPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N21-552
classificationIPCAdditional http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N21-94
classificationIPCInventive http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N21-55
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N21-27
filingDate 1993-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f27b8f8b361eba3d4d90ece241cff5e2
publicationDate 1994-05-04-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0594838-A1
titleOfInvention SPECTROMETRIC MONITOR FOR THE POLLUTION OF A SUPERCRITICAL LIQUID.
abstract A system detects the presence of contaminants in a supercritical fluid flow. When the latter leaves the cleaning chamber (12) through the outlet orifice (16), a sample flow is taken which is introduced into a second chamber (22) and which is subjected to reduced pressure prevailing in a contaminant measurement zone (24). The supercritical fluid turns to gas (as shown by lines 30) at this reduced pressure, while the contaminants remain in a non-gaseous state. A plate (36) with attenuated total reflectivity is used to detect by spectrophotometry the presence of non-gaseous contaminants which are deposited on the surface (48) of this plate, in the contaminant measurement zone (24). This system makes it possible to detect by spectrophotometry in supercritical fluids the presence and nature of contaminants and to monitor both cleaning and extraction processes.
priorityDate 1992-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

Incoming Links

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Total number of triples: 18.