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1. WO1995034360 - ACCELERATED SOLVENT EXTRACTION SYSTEM

Publication Number WO/1995/034360
Publication Date 21.12.1995
International Application No. PCT/US1995/006936
International Filing Date 31.05.1995
Chapter 2 Demand Filed 11.01.1996
IPC
B01D 11/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
G01N 1/34 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
28Preparing specimens for investigation
34Purifying; Cleaning
G01N 1/40 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1Sampling; Preparing specimens for investigation
28Preparing specimens for investigation
40Concentrating samples
G01N 30/00 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
30Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography
CPC
B01D 11/0203
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
0203with a supercritical fluid
B01D 11/0207
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
0207Control systems
B01D 11/0273
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
0269Solid material in other moving receptacles
0273in rotating drums
B01D 11/0284
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
11Solvent extraction
02of solids
028Flow sheets
0284Multistage extraction
B01J 20/043
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
02comprising inorganic material
04comprising compounds of alkali metals, alkaline earth metals or magnesium
043Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
B01J 20/3204
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
20Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
30Processes for preparing, regenerating, or reactivating
32Impregnating or coating ; ; Solid sorbent compositions obtained from processes involving impregnating or coating
3202characterised by the carrier, support or substrate used for impregnation or coating
3204Inorganic carriers, supports or substrates
Applicants
  • DIONEX CORPORATION [US]/[US]
Inventors
  • RICHTER, Bruce, E.
  • POHL, Christopher, A.
  • PORTER, Nathan, L.
  • JONES, Brian, A.
  • EZZELL, John, L.
  • AVDALOVIC, Nebojsha
Agents
  • BREZNER, David, J.
Priority Data
08/259,66714.06.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ACCELERATED SOLVENT EXTRACTION SYSTEM
(FR) SYSTEME D'EXTRACTION ACCELEREE PAR SOLVANT
Abstract
(EN)
Methods for the solvent extraction of organic analytes from a sample in an extraction cell (25) are provided. An organic solvent from a reservoir (17) is used to extract analytes under elevated temperatures and pressures below supercritical conditions in short times and with low amounts of solvent. The extraction cell (25) is mounted between a pump (14) and a sample collection vial (35).
(FR)
Procédés permettant d'extraire par solvant des analytes organiques présents dans un échantillon placé dans une cellule d'extraction (25). Un solvant organique contenu dans un réservoir (17) est utilisé pour extraire les analytes dans des conditions de température élevée et à des pressions inférieures aux conditions supercritiques pendant des périodes courtes et avec de faibles quantités de solvant. La cellule d'extraction (25) est montée entre une pompe (14) et un flacon (35) collecteur d'échantillon.
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