DE2754252C2 - - Google Patents

Info

Publication number
DE2754252C2
DE2754252C2 DE19772754252 DE2754252A DE2754252C2 DE 2754252 C2 DE2754252 C2 DE 2754252C2 DE 19772754252 DE19772754252 DE 19772754252 DE 2754252 A DE2754252 A DE 2754252A DE 2754252 C2 DE2754252 C2 DE 2754252C2
Authority
DE
Germany
Prior art keywords
pore size
bimodal
powder according
distribution
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19772754252
Other languages
German (de)
English (en)
Other versions
DE2754252A1 (de
Inventor
Joseph Jack Wilmington Del. Us Kirkland
Wallace Wen-Chuan Newark Del. Us Yau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/826,171 external-priority patent/US4160728A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE2754252A1 publication Critical patent/DE2754252A1/de
Application granted granted Critical
Publication of DE2754252C2 publication Critical patent/DE2754252C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28088—Pore-size distribution
    • B01J20/28092—Bimodal, polymodal, different types of pores or different pore size distributions in different parts of the sorbent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
    • B01J20/282—Porous sorbents
    • B01J20/283—Porous sorbents based on silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3291—Characterised by the shape of the carrier, the coating or the obtained coated product
    • B01J20/3295—Coatings made of particles, nanoparticles, fibers, nanofibers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/54—Sorbents specially adapted for analytical or investigative chromatography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/50—Conditioning of the sorbent material or stationary liquid
    • G01N30/52—Physical parameters
    • G01N2030/524—Physical parameters structural properties
    • G01N2030/525—Physical parameters structural properties surface properties, e.g. porosity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
DE19772754252 1976-12-08 1977-12-06 Trennungszone fuer chromatographie, verfahren zur chromatographischen trennung und dafuer zu verwendende pulver Granted DE2754252A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74876976A 1976-12-08 1976-12-08
US05/826,171 US4160728A (en) 1976-12-08 1977-08-22 Bimodal chromatographic resolving zone

Publications (2)

Publication Number Publication Date
DE2754252A1 DE2754252A1 (de) 1978-06-15
DE2754252C2 true DE2754252C2 (xx) 1989-03-09

Family

ID=27114997

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772754252 Granted DE2754252A1 (de) 1976-12-08 1977-12-06 Trennungszone fuer chromatographie, verfahren zur chromatographischen trennung und dafuer zu verwendende pulver

Country Status (12)

Country Link
JP (1) JPS5371899A (xx)
CA (1) CA1101827A (xx)
CH (1) CH634661A5 (xx)
DE (1) DE2754252A1 (xx)
DK (1) DK544977A (xx)
FR (1) FR2373316B1 (xx)
GB (1) GB1592885A (xx)
IE (1) IE45932B1 (xx)
IT (1) IT1089344B (xx)
LU (1) LU78658A1 (xx)
NL (1) NL7713517A (xx)
SE (1) SE442591B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2506165B (en) * 2012-09-24 2017-04-12 Thermo Electron Mfg Ltd Improvements in and relating to chromatography columns
GB2506166B (en) * 2012-09-24 2014-12-17 Thermo Electron Mfg Ltd Improvements in and relating to chromatography columns

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505785A (en) * 1967-06-20 1970-04-14 Du Pont Superficially porous supports for chromatography

Also Published As

Publication number Publication date
NL7713517A (nl) 1978-06-12
SE7713892L (sv) 1978-06-09
DK544977A (da) 1978-06-09
CH634661A5 (en) 1983-02-15
GB1592885A (en) 1981-07-08
IT1089344B (it) 1985-06-18
IE45932B1 (en) 1982-12-29
LU78658A1 (xx) 1978-07-11
SE442591B (sv) 1986-01-20
FR2373316B1 (fr) 1985-07-19
FR2373316A1 (fr) 1978-07-07
JPS6410779B2 (xx) 1989-02-22
CA1101827A (en) 1981-05-26
JPS5371899A (en) 1978-06-26
DE2754252A1 (de) 1978-06-15
IE45932L (en) 1978-06-08

Similar Documents

Publication Publication Date Title
DE2754360C2 (xx)
DE2446375C2 (de) Ionenaustauschzusammensetzung und deren Verwendung
EP0724021B1 (de) Verfahren zur Herstellung eines elektrisch leitenden Cermets
DE2422426C2 (de) Filter aus einem negativ geladenen Filtermaterial und Verfahren zu seiner Herstellung
DE3147110C2 (xx)
DE3022008C2 (de) Adsorptionsmittel, Verfahren zu dessen Herstellung und dessen Verwendung
DE2647701A1 (de) Sole und gele und verfahren zu ihrer herstellung
EP0154246B1 (de) Phasenträger für die Verteilungschromatographie von Makromolekülen, Verfahren zu ihrer Herstellung und ihre Verwendung
DE3908320A1 (de) Katalysator zur abgasreinigung
DE2705437A1 (de) Oxidations-katalysator des pellet-typs
DE3622517C2 (xx)
DE4205876A1 (de) Testtraeger zur bestimmung eines analyten aus vollblut
DE1442443B2 (de) Verwendung von vernetzten PoIyacrylamiden zur chromatographischen Trennung von proteolytischen Enzymen und zur Entwässerung von Proteinlösungen
DE2754252C2 (xx)
DE1924836A1 (de) Filterkoerper aus Metallfasern
DE2601930C2 (xx)
DE2431197C3 (de) Filter, insbesondere für Atemgeräte
DE3226523A1 (de) Ionenaustauscher zur verwendung bei der ionenaustauscherchromatographie und verfahren zu seiner herstellung
EP3848108A1 (de) Filtermedium mit antiallergenen substanzen
DE4410633C1 (de) Filtersystem
DE2841782C2 (xx)
DE2724569A1 (de) Beschichtete traegermaterialien fuer die duennschichtchromatographie mit konzentrierungszone
DE2854926A1 (de) Kohlewiderstand und verfahren zur herstellung eines kohleschichtwiderstandes
Blank et al. Gefügecharakterisierung gesinterter hochporöser Filterwerkstoffe aus Cr-Ni-Stahlpulvern/The Microstructural Characterisation of Highly Porous Sintered Cr-Ni-Steel Powder Filter Materials
DE1436280A1 (de) Analytisches Doppelschicht-Ultrafilter und Verfahren zu dessen Herstellung

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: B01J 20/28

D2 Grant after examination
8364 No opposition during term of opposition