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  • 1
    Book
    Book
    Amsterdam [u.a.] :Elsevier Scientific Publ. Co.,
    UID:
    almafu_BV001003266
    Format: XI, 336 S. : , Ill., graph. Darst.
    ISBN: 0-444-41683-8
    Series Statement: Journal of chromatography : Library 16
    Language: English
    Subjects: Chemistry/Pharmacy
    RVK:
    Keywords: Siliciumdioxid ; Flüssigkeitschromatographie ; Siliciumdioxid ; Säulenchromatographie
    Author information: Unger, Klaus K. 1936-2020
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  • 2
    UID:
    b3kat_BV010667057
    Format: 466 S. , Ill., graph. Darst.
    Edition: 2., überarb. Aufl.
    ISBN: 3928865196
    In: 1
    Language: German
    Subjects: Chemistry/Pharmacy
    RVK:
    Author information: Unger, Klaus K. 1936-2020
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  • 3
    UID:
    b3kat_BV023756433
    Format: 286 S. , Ill., graph. Darst.
    ISBN: 3921956978
    In: 2
    Language: German
    Subjects: Chemistry/Pharmacy
    RVK:
    Author information: Unger, Klaus K. 1936-2020
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  • 4
    UID:
    almafu_BV000875391
    Format: XI, 645 S. : Ill.
    ISBN: 0-444-42953-0
    Series Statement: Studies in surface science and catalysis 39
    Language: English
    Subjects: Chemistry/Pharmacy
    RVK:
    Keywords: Poröser Stoff ; Konferenzschrift ; Konferenzschrift ; Konferenzschrift
    Author information: Unger, Klaus K. 1936-2020
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  • 5
    UID:
    almahu_9949697708602882
    Format: 1 online resource (658 p.)
    ISBN: 1-282-03499-5 , 9786612034992 , 0-08-096073-1
    Series Statement: Studies in surface science and catalysis ; v. 39
    Content: The importance of porosity has long been recognized by scientists and engineers. Porous solids are widely encountered in industry and everyday life and their behaviour, e.g. chemical reactivity, adsorptive capacity, and catalytic activity is dependent on their pore structure. A considerable amount of work on porous solids has been undertaken both in academic and in industrial laboratories. However, all this activity is in urgent need of a critical appraisal. To undertake this task, a number of leading experts in the field of adsorption, porosimetry, X-ray and neutron scattering, optical and el
    Note: Description based upon print version of record. , Front Cover; Characterization of Porous Solids; Copyright Page; Contents; Preface; Chapter 1. Pore systems and their characteristics; Chapter 2. Neutron scattering from porous solids; Chapter 3. Small-angle scattering studies of porous solids; Chapter 4. Characterization of active carbons from palm-tree fibers using nitrogen adsorption and small angle X-ray scattering; Chapter 5. A comparison of nitrogen adsorption, small angle neutron scattering and TEM techniques for characterisation of mesoporous oxides , Chapter 6. A critical assessment of quasi-equilibrium gas adsorption techniques in volumetry, gravimetry or calorimetryChapter 7. Assessment of microporosity; Chapter 8. A new method for the determination of micropore size distributions; Chapter 9. Sorption studies on large ZSM-5 crystals: the influence of aluminium content the type of exchangeable cations and the temperature on nitrogen hysteresis effects; Chapter 10. Cell-theoretical and molecular-statistical treatment of the pore filling of pentasil-type zeolites by benzene molecules , Chapter 11. Characterization of microporous catalysts by N2 adsorption: empirical correlations between parameters assessed by different methodsChapter 12. Characterisation of adsorption properties and microporous structures of carbonaceous adsorbents; Chapter 13. Microporosity in carbonaceous materials: development surface composition and characterization; Chapter 14. Characterisation of adsorption on microporous carbons using the generalised adsorption isotherm; Chapter 15. Influence of exchangeable anions on the accessability of micropores in activated carbons , Chapter 16. Carbon dioxide subtraction (CDS) method applied to a wide range of porous carbonsChapter 17. Anomalous micropore filling of NO on Fe2O3-dispersed activated carbon fibers; Chapter 18. The volume of small micropores in unmodified, oxidized or irradiated graphitic matrix; Chapter 19. Hysteresis effects in the high-pressure adsorption of gases in graphite foam (GRAFOAM); Chapter 20. Estimation of surface and structural heterogeneity of microporous carbons from gas adsorption data , Chapter 21. Determination of mesopores diameters in porous solids from adsorption measurements - criticisms and suggestionsChapter 22. The generalized Broekhoff-De Boer method; Chapter 23. Capillary properties of pores formed by two unequal parallel rods and a plate; Chapter 24. Characterization of petroleum reservoir rocks by capillary pressure techniques; Chapter 25. The porosity of samples of the disperse dye, C.I. Disperse Blue 79; Chapter 26. Measurement of the morphology of high surface area solids: inferring pore shape characteristics , Chapter 27. Computer driven porosimeter for ultrafiltration membranes , English
    Additional Edition: ISBN 0-444-42953-0
    Language: English
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  • 6
    UID:
    almahu_9948026435102882
    Format: 1 online resource (353 p.)
    ISBN: 1-281-77254-2 , 9786611772543 , 0-08-085816-3
    Series Statement: Journal of chromatography library ; 16
    Content: Porous Silica
    Note: Description based upon print version of record. , Front Cover; Porous Silica: Its properties and use as support in column liquid chromatography; Copyright Page; Contents; Preface; Chapter 1. General chemistry of silica; 1.1 Introduction; 1.2 Bulk structure of silica; 1.3 Surface structure; 1.4 Silica-water interactions; 1.5 References; Chapter 2. Pore structure of silica; 2.1 Pore structure parameters; 2.2 Formation of pore structure; 2.3 Controlled porosity silica packings; 2.4 Stability of porous silica; 2.5 References; Chapter 3. Surface chemistry of porous silica; 3.1 The surface structure of silica , 3.2 Chemical modification of the silica surface3.3 Ion-exchange properties of silica; 3.4 References; Chapter 4. Particle characteristics; 4.1 Particle size, shape and distribution: definitions; 4.2 Methods of particle size grading and size analysis; 4.3 Formation of silica particles; 4.4 Porous silica layers; 4.5 Acknowledgements; 4.6 References; Chapter 5. Silica columns - packing procedures and performance characteristics; 5.1 Introduction; 5.2 Particle packing; 5.3 Packing procedures; 5.4 Comparison of performances of silica columns; 5.5 References , Chapter 6. Silica and its chemically bonded derivatives as adsorbents in liquid-solid chromatography6.1 Introduction; 6.2 Silica as a polar packing in LSC; 6.3 Reversed-phase silica packings in LSC; 6.4 Polar chemically bonded silica packings as selective adsorbents in LSC; 6.5 Adsorbent standardization; 6.6 References; Chapter 7. Silica as a support in liquid-liquid chromatography; 7.1 General aspects; 7.2 Role of the support in liquid-liquid chromatography; 7.3 Preparation of columns in liquid-liquid chromatography; 7.4 Effect of silica support properties on retention and column performance , 7.5 ReferencesChapter 8. Chemically modified silica as packing in ion-exchange chromatography; 8.1 Selectivity and kinetics of ion exchange; 8.2 Ion exchangers based on chemically bonded silica; 8.3 Selectivity and performance of silica-based ion exchangers; 8.4 Acknowledgements; 8.5 References; Chapter 9. Silica as packing in size-exclusion chromatography; 9.1 Separation mechanism; 9.2 Resolution in size-exclusion chromatography; 9.3 Optimization of silica support properties with respect to resolution and speed; 9.4 Size separation on porous silica; 9.5 References , Appendix. Commercially available silica packingsList of symbols and abbreviations; Subject index , English
    Additional Edition: ISBN 0-444-41683-8
    Language: English
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  • 7
    UID:
    almahu_9948026641002882
    Format: 1 online resource (699 p.)
    Edition: 1st ed.
    ISBN: 1-281-04713-9 , 9786611047139 , 0-08-052889-9
    Series Statement: Studies in surface science and catalysis ; 128
    Content: The Fifth International Symposium on the Characterisation of Porous Solids (COPS-V) was held at Heidelberg, Germany, from May 30 to June 2, 1999. About 220 participants from 25 countries enjoyed a very successful meeting with 32 lectures and 155 poster presentations. The Symposium started with a highly stimulating lecture by Sir John Meurig Thomas, Cambridge, highlighting the recent developments in engineering of new catalysts. The following two full sessions were devoted to theory, modelling and simulation which provide the basis for the interpretation of pore structural data of adsorbe
    Note: Description based upon print version of record. , Cover; Contents; Foreword; Scientific Committee; Financial Support; Part I: Theory, Modelling and Simulation; Chapter 1. Adsorption of Argon and Xenon in Silica Controlled Porous Glass: A Grand Canonical Monte-Carlo Study; Chapter 2. The role of isosteric enthalpy of adsorption in micropore characterisation: A simulation study; Chapter 3. Capillary Condensation and Hysteresis in Disordered Porous Materials; Chapter 4. Molecular Simulation Study on Freezing in Nano-pores; Chapter 5. Characterisation of porous materials using density functional theory and molecular simulation , Chapter 6. Density Functional Theory of Adsorption Hysteresis and Nanopore CharacterizationChapter 7. Characterization of controlled pore glasses: Molecular simulations of adsorption; Chapter 8. A new method for the accurate pore size analysis of MCM-41 and other silica based mesoporous materials; Chapter 9. Comparison of the experimental isosteric heat of adsorption of argon on mesoporous silica with density functional theory calculations; Chapter 10. A computational exploration of cation locations in high-silica Ca-Chabazite , Chapter 11. Density functional theory: Diatomic nitrogen molecules in graphite poresChapter 12. Modelling studies of the influence of macroscopic structural heterogeneities on nitrogen sorption hysteresis; Chapter 13. Condensation-evaporation processes in simulated heterogeneous three-dimensional porous networks; Chapter 14. Characterisation of porous solids for gas transport; Chapter 15. Experimental and simulation studies of melting and freezing in porous glasses; Chapter 16. A fast two-point method for gas adsorption measurements; Part II: Highly Ordered Porous Inorganic Systems , Chapter 17. Rational design, tailored synthesis and characterisation of ordered mesoporous silicas in the micron and submicron size rangeChapter 18. Relationship between intrinsic pore-wall corrugation and adsorption hysteresis of N2, O2, and Ar on regular mesopores; Chapter 19. Study of the morphology of porous silica materials; Chapter 20. Adsorption hysteresis and criticality in regular mesoporous materials; Chapter 21. Comprehensive structural characterisation of MCM-41: From mesopores to particles; Chapter 22. Characterisation of mesoporous MCM-41 adsorbents by various techniques , Chapter 23. Characterisation of mesoporous molecular sieves containing copper and zinc: An adsorption and TPR studyChapter 24. On the applicability of the Horwath-Kawazoe method for pore size analysis of MCM-41 and related mesoporous materials; Chapter 25. Dynamic and structural properties of confined phases (hydrogen, methane and water) in MCM-41 samples (19Å, 25Å and 40Å); Chapter 26. Estimating pore size distribution from the differential curves of comparison plots , Chapter 27. Rotational state change of acetonitrile vapor on MCM-41 upon capillary condensation with the aid of time-correlation function analysis of IR spectroscopy , English
    Additional Edition: ISBN 0-444-50259-9
    Language: English
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  • 8
    UID:
    b3kat_BV023686932
    Format: 359 S. , Ill.
    ISBN: 3921956846
    In: 1
    Language: Undetermined
    Subjects: Chemistry/Pharmacy
    RVK:
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  • 9
    UID:
    b3kat_BV023732886
    Format: XII, 359 S. , Ill.
    ISBN: 3921956846
    In: 1
    Language: German
    Subjects: Chemistry/Pharmacy
    RVK:
    Author information: Unger, Klaus K. 1936-2020
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  • 10
    UID:
    b3kat_BV004824845
    Format: 409 S. , graph. Darst.
    Series Statement: Journal of chromatography 548
    Note: Einzelaufnahme eines Zs.-Bandes
    Language: English
    Keywords: Proteine ; HPLC ; Peptide ; HPLC ; Polynucleotide ; HPLC ; Konferenzschrift ; Konferenzschrift
    Author information: Unger, Klaus K. 1936-2020
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