Years 1970-1979 (Vol. 17-26)
 
Contents

 


CONTENTS OF VOL. 17  (1970)

SCIENTIFIC PAPERS

A. R. BYRNE, L. KOSTA:
Studies on the distribution and uptake of mercury in the area of the mercury  mine at Idrija, Slovenia (Yugoslavia)  5

J. ŠIFTAR, A. ARHAR, M. MALEŠIČ:
Zur Kenntnis·der Rhodiumalaune  13

J. PEZDIČ, J. SLIVNIK:
Herstellung von Schwefelhexafluorid aus den Sulfidischen Mineralen für  die massenspektrometrische Messungen  29

J. V. BRENČIČ:
Beitrag zur Kinetik der Reaktionen in festen Zustand. Die Ableitung der  Näherungsweisen kinetischen Gleichung für polydisperse Stoffe  35

D. LESKOVŠEK:
Equations for activity and osmotic coefficients of sodium and potassium  chloride in aqueous solutions at 25oC  41

R. KAVČIČ, B. PLESNIČAR:
Isomere disubstituierte Peroxybenzoesäuren (Darstellung und allgemeine  Eigenschaften 3. Mitt. Š1Ć)  47

V. KOSI, M. ZUPAN, D. HADŽI:
Complex compounds of pyridine and mercuric acetate  53

I. BELIČ, J. BERGANT-DOLAR, P. GRILANC:
Synthesis and chromatographic behaviour of casticin diglucoside  59

S. OMAN:
A simple dynamic membrane osmometer  63

 

CONTENTS OF VOL. 18  (1971)

SCIENTIFIC PAPERS

J. SLUNEČKO, L. KOSTA, B. KENDA:
Simultaneous nondestructive determination of fluorine and titanium in  porcelain enamels by photon activation analysis  5

I. ŠINKO, D. LESKOVŠEK:
Determination of zinc, cadmium and lead by derivative polarography (Part II)  11

J. GOLOB, L. KOSTA, R. MODIC:
Über die adsorptive Trennung des Vanadiums vom Arsen, Phosphor und  Fluor mit aktivem Aluminiumoxyd  21

B. DRŽAJ:
Properties of aqueous suspensions of bentonite samples as a function of  raw material treating  27

J. LEVEC, R. MODIC:
Die Bewertung von festen Katalysatoren auf Grund der Geschwindigkeit  der Kumenspaltung  33

I. JELENIČ, J. JERNEJČIČ, B. KURBUS:
On the hydrothermal reactions between gama-dicalcium silicate and quartz  43

I. BELIČ, E. CERIN, D. STUCIN:
 Constituents of  Echinocystis lobata seeds. Part I.: Sterols  53

 

CONTENTS OF VOL. 19  (1972)

SCIENTIFIC PAPERS

V. RAVNIK, M. LEVSTEK, M. DERMELJ, L. KOSTA:
Determination of microgram quantities of thorium in uranium dioxide  by neutron activation analysis  5

V. RAVNIK, L. KOSTA:
Dosage des traces de fer, de chrome, de cobalt et de zinc dans les echantillons  tres purs d'amoniaque,d'eau oxygenee et des acides mineraux par la methode  d'activation aux neutrons  13

M. JERNEJČIČ, M. KREMSER, L. PREMRU:
An attempt of GLC for a study of interactions of alcohols with Polyethylene  glycol type stationary phases  19

I. JELENIČ, J. JERNEJČIČ:
Identification of pseudowollastonite in hydrothermally treated mixtures of  ?-dicalcium silicate and quartz  31

J. LEVEC:
Catalytic activity of some activated samples of natural alumosilicates  37

B. ŽEMVA, J. SLIVNIK:
On the preparation of xenon hexafluoride  43

S. MAKSIM, L. PREMRU:
Rubber joint rings for water mains after 37 years of exploatation  47

S. OMAN:
The international practical temperature scale of 1968  53

 

CONTENTS OF VOL. 20  (1973)

SCIENTIFIC PAPERS

H. MOHORČIČ:
Vergleichende Studie über Veränderungen der organoleptischen Eigenschaften des Weines bei Zusatz gewisser aliphatischer Säuren mit besonderer  Berücksichtigung der Buttersäure, welche allgemein als Ursache für das Auftreten des Buttersäurestiches bei Weinen angesehen wird  1

M. SENEGAČNIK, L. KOSTA, F. KRAŠOVEC:
Determination of germanium in low concentrations  9

M. FERLAN:
Nitrierung des Mesitylens als Zwischenphase bei der Synthese des Vitamins E  17

L. STRAUCH:
Der Veronalpuffer, seine Pufferkapazität und Anwendbarkeit in der  Papierelektrophorese  25

D. MAŠIREVIĆ:
Chemische Untersuchungen des Buchenholzes aus slowenischen Wäldern  33

B. LAVRENČIČ, M. REISNER:
Beiträge zur Kenntniss der Koksbildung aus Kohlenmischungen (II)  49

M. BLINC, T. ŠTRAUH:
Utilization of maize plant waste material. Hydrolysis and fermentation  57

L. STRAUCH:
Eine einfache Methode zur standardisierung der chromatographischen Adsorptionsmittel  71

M. DERMELJ, L. STRAUCH:
Eine neue Halbmikro-Kjeldahl-methode zur Bestimmung des Stickstoffes in Kohlen  77

M. DERMELJ, S. JENČIČ, M. SAMEC:
Die Kohle in einzelnen Flötzen des Reviers Raša   83

B. LAVRENČIČ, M. REISNER, S. ČERNIČ:
Beiträge zur Kenntniss der Koksbildung aus Kohlenmischungen  95

 

CONTENTS OF VOL. 21  (1974)

SCIENTIFIC PAPERS

A. ŠMALC:
Eine neue preparative Methode zur Synthese von Peroxydisulfuryldifluorid  5

D. GORENC, L. KOSTA, A. R. BYRNE:
Extractive separation and spectrophotometric determination of tin  in biological materials  9

L. GOLIČ, F. LAZARINI:
Crystal structure of the hydrogen-bonded adduct of pyridine N-oxide  with trichloroacetic acid  17

A. MAJCEN, B. STANOVNIK, M. TIŠLER:
Pyridazines. LXIV. Annelation of an azole ring to  1,2,5-thiadiazolo/3,4-d/pyridazine  23

T. KOLOINI:
Local bed properties of the liquid fluidized tapered beds  29

T. KOLOINI, M. ŽUMER, M. SOPČIČ
Mass transfer in the liquid fluidized beds of ion exchange resins  43

L. KOSTA, A. R. BYRNE, V. ZELENKO, P. STEGNAR, M. DERMELJ,
V. RAVNIK:
Studies on the uptake distribution and transformations of mercury in  living organisms in the Idrija region and comparative areas  49

O. ZEMEK, I. ZEMEK, V. HUDNIK, S. GOMIŠČEK:
Die Bestimmung von einiger Spurenelementen in hochschmelzenden  Metallen und deren Carbiden  81

B. GORENC, D. GORENC, H. AVSEC:
Direct spectrometric determination of phenols in drinking and mineral waters  89

V. GRILC, R. MODIC:
Chlorid- und Sulfatlösungen als Elutionsmittel für Uran aus Alamin 336  97

M. ŽUMER, R. MODIC, J. ZUPAN:
Extraction of chromium(VI) by means of Aliquat 336 and Alamine 336  105

S. PAVKO, J. LEVEC:
Impeller power numbers in vessels of square cross-section  117

G. PEČENKO, U. OSREDKAR, I. VIZOVIŠEK:
Application of gel permeation chromatography for characterization of acrylamide interpolymers  123

T. KASTELIC-SUHADOLC:
The synthesis of higher aliphatic ethers  131

 

CONTENTS OF VOL. 22  (1975)

SCIENTIFIC PAPERS

N. BUKOVEC, P. BUKOVEC, J. ŠIFTAR:
Über Salze und Doppelsalze der seltenen Erden. I. Die Thermoanalyse  der hydratierten Sulfate  5

P. BUKOVEC, L. GOLIČ:
The salts and double salts of rear earths. II. Crystal structure of cesium bis-sulfato tri-aquo praseodimate(III) monohydrate  19

I. LEBAN:
The crystal structure of the p-dimethylamino anilinium dibromo- bis(dimethylglyoximato)-cobaltate(III)  27

J. SLIVNIK, A. RAHTEN:
Die Synthese und einige Eigenschaften von Hydrazinium(1+)-tetrafluoro- manganat(II) und Hydrazinium(1+)-pentafluoroferrat(III)  35

S. LAPANJE, J. URBANČIČ, J. ŠPAN, J. ŠKERJANC:
Interactions of quanidinium chloride with chymotrypsinogen A  43

I. BELIČ, V.·GABERC-POREKAR, H. SOČIČ:
Dehydrogenation of solasodanol and solasodine by Nocardia restrictus  49

D. B. BUKUR, N. R. AMUNDSON:
Comparative study of some models for fluidized bed catalytic reactors  53

M. TRONTELJ, D. KOLAR, I. KOBAL:
Catalytic activity of uranium oxides in CO oxidation  69

 

CONTENTS OF VOL. 23  (1976)

SCIENTIFIC PAPERS

S. GOMIŠČEK, R. VIŽINTIN:
The determination of lead and cadmium in sea-water by the anodic  stripping polarography  7

M. ČUK, L. KOSTA:
Untersuchungen über die Zusammensetzung der mit Sulfid-Ionen  erhaltenen Vanadium Niederschlägen  19

D. HADŽI, J. KIDRIČ, M. ORADOVIĆ, C. TRAMPUŽ:
The normal coordinate analysis of monomeric and dimeric  trichloroacetic acid  25

A. KOCJAN, A. AŽMAN, D. HADŽI:
CNDO/2 Computations on substituted 8-hydroxy quinolines and AZA analogs.  Protonation, deprotonation and complexation energies  37

J. PRIMC, B. STANOVNIK, M. TIŠLER:
Pyridazines, LXXXV. Eu(fod)3 and Pr(fod)3 induced pseudocontact shifts  of proton resonances in azolopyridazines with bridgehead nitrogen (1)  45

J. GOLOB, R. MODIC:
The determination of solvent etrainment in secondary dispersions  63

T. KOLOINI, M. ŽUMER, M. SOPČIČ:
Mass transfer in the liquid fluidized beds of ion exchange resins composed  of different size fractions  67

J. ZUPAN, J. T. CLERC, D. HADŽI:
A computer-aided compound identification  73

IN MEMORIAM

S. LAPANJE:
Prof. Rajko Kavčič  3

I. BELIČ:
Prof. Dušan Stucin  3

 

CONTENTS OF VOL. 24  (1977)

SCIENTIFIC PAPERS

H. AVSEC, L. KOSTA:
Die Adsorption an Lanthanoxid als Anreicherungsmethode bei der  Bestimmung von Fluorid in Wässern  7

B. JERABEK, S. GOMIŠČEK, P. GLAVIČ, V. VREČKO, V. HUDNIK:
The determination of trace elements in white electrocorundum and  alumina by flame atomic absorption spectrometry  13

J. SLIVNIK, A. RAHTEN:
Die Verbindungen von Elementen der ersten Ubergangsreihe mit Hydrazin  und Fluor; Verbindungen von Kobalt und Nickel  21

B. PIHLAR, L.·KOSTA:
A versatile and inexpensive solid-state potentiostat for controlled  potential electrolysis  31

J. V. BRENČIČ, B. ČEH, C. KRIŽELJ:
Preparation and comparative structural characterisation of some octahedral  pyridine complexes of W(III)  41

R. GUNDE, S. LAPANJE, A. AŽMAN:
Raman polarization study of the thermal denaturation of lysozyme in  aqueous solutions  47

K. JUŽNIČ:
On the kinetics of iodine hydrolysis  51

J. MAČEK, J. SLIVNIK, A. RAHTEN:
Synthesis·of Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu  hydrazidocarbonates  55

IN MEMORIAM DR. JERNEJ JERNEJČIČ

A. ŠMALC:
Dr. Jernej Jernejčič  3

 

CONTENTS OF VOL. 25  (1978)

SCIENTIFIC PAPERS

M. HOHNJEC, M. JAPELJ, M. BURGAR, J. KOBE:
The synthesis of 5-alpha-D-arabinofuranosyl-(2H)-tetrazole  1

M. JAPELJ, N. VITEZIĆ, M. HOHNJEC, M. POKORNY, M. GLOBOKAR:
The preparation and use of 4-phenylthiazolidine-2,5-dione in the synthesis of 7-(D-2-amino-3-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid (cephalexin)  13

A. PETRIČ, B. STANOVNIK, M. TIŠLER, B. VERČEK:
Syntheses of 2-aminothiazolo(5,4-b) pyridine  31

J. ZUPAN, S.R. HELLER, G.W.A. MILNE:
3-Dimensional representation of C-13 NMR spectra  37

D. HADŽI, B. OREL:
Spectrometric investigations of the origin of amber and pitches from prehistoric sites in Slovenia  51

A. GREGORČIČ, M. ZUPAN:
Chemistry of organo-halogenic molecules. Part 41. Addition of hydrogen fluoride to halo substituted nortricyclanes  135

M. KREMSER, M. RAZINGER:
Interfacing gas chromatograph to a digital computer  151

B. STANOVNIK, M. TIŠLER:
The structure of the tluorescent condensation product between 1-methyl-3-carboxamidopyridinium iodide and acetone  159

M. TRONTELJ, D. KOLAR:
Reactions of A1N with the iron group elements  165

M. VEBER, S. GOMIŠČEK:
Application of derivative pulse polarography to the determination of oxytetracycline in waste waters  173

D. HADŽI, J. KIDRIĆ, M. SUHAČ:
Molecular compounds of maleic acid with 8-hydroxyquinoline and its 5-nitroderivative  247

S. LAPANJE, B. ČREŠNAR, V. VLACHY:
Thermodynamics of the interaction of human immunoglobulin G with urea  257

V. MAROLT, B. STANOVNIK, M. TIŠLER, B. VERČEK:
The reaction of ethyl diazoacetate with pyridine, 2-methylpyridine and quinoline  265

U. OSREDKAR, V. STRAUCH, I. VIZOVIŠEK:
The effect of polyfunctional monomers on butyl acrilate/styrene copolymers  273

R. RUČMAN, J. STRES, M. JURGEC:
Synthese der l,8-Dialkylderivate der Dihydrolysergsäure· 283

J. ZUPAN:
Clustering of infrared spectra  301

H. AVSEC, L. KOSTA:
Preconcentration of fluoride by extraction applied to its spectrophotometric and ionopotentiometric determination  351

A. R. BYRNE, F. KLEMENC:
Assessment of selenium levels in human blood and teeth by neutron activation analysis  361

B. GORENC, V. HUDNIK, S. GOMIŠČEK:
Evaluation of new springs of mineral water of Slovenia on the basis of their chemical composition  373

D. GORENC, L. KOSTA:
Isolation of nanogram amounts of iodine by coprecipitation on palladium, and subsequent volatilization  383

V. HUDNIK, S. GOMIŠČEK, M. KATIĆ:
To the determination of cadmium in human serum and tissue with electrothermal atomic absorption spectrometry  391

B. PIHLAR, L. KOSTA:
Differential pulse anodic stripping polarography as a reference method in trace metal analysis  399

L. ZUPANČIČ, J. MARSEL:
On the determination of trace amounts of chlorinated organic substances in water  409

REPORTS

P. GLAVIČ:
International system of units  447

L. KOSTA, V. RAVNIK, M. DERMELJ, B. PIHLAR, P. STEGNAR, A. R. BYRNE, J. LOKAR, A. VAKSELJ, J. NOVAK, A. PROSENC:
Trace elements in marine and river sediments as indicators of contamination of the Slovenian water system  463

J. ZUPAN:
Computers for chemistry  495

RESEARCH GROUP ACTIVITIES

R. RUČMAN:
Ergolinic and ergolenic compounds as inhibitors of prolactine secretion  71

I . ŠKOFIC:
About the Research and Development Institute of Sava - Kranj  431

L. KOSTA:
Trends in analytical chemistry  437

NEWS FROM INDUSTRY

S. OBLAK:
Progress in the construction of basis chemistry plants following to the 5-year plan of SR Slovenia 1976-1980  93

NEW PLANTS

I. KOCUVAN:
New cement plant in Anhovo  63

M. CERAR:
New hydrogen peroxide plant in Slovenia  187

V. VRANAC:
Phtalic  anhydride plant  193

J. HAJDINJAK:
New methanol plant  315

S. OBLAK:
Investments in major basic chemistry plants  419

80th ANNIVERSARY PROF. DR. JANKO KAVČIČ  No.: 3

80th ANNIVERSARY PROF. DR. LADISLAV GUZELJ  No.: 4

 

CONTENTS OF VOL. 26  (1979)

SCIENTIFIC PAPERS

D. DOBČNIK, I. POLANC:
Die Komplexe des zweiwertigen Molybdäns. Derivate des Oktahalodimolybdat(II)  Ions. Thiocyanatokomplexe mit Pyridin, 4-Methyl-Pyridin und 2,2ž-Dipyridyl  1

F. RUPAR, R. RUČMAN:
Die Isolation eines Synthesenebenproduktes mit Anwendung der präparativen  Flüssigkeits-Chromatographie. VI. Mitteilung über Derivate der Lysergsäure  9

J. SLIVNIK, A. RAHTEN, J. MAČEK, D. SEDEJ:
Die Synthese und einige Eigenschaften von Hydrazinium(1+)-Trifluorocupraten,  -Trifluorozinkaten und -Trifluorocadmaten  19

T. ŠOLMAJER, D. HADŽI:
MO calculation of the conformational energy and of the hydrogen bond  potential function of the hydrogen dinitrate ion  27

J. ŠPAN, M. MAHMUTOVIĆ, J. ŠKERJANC:
Enthalpy of dimerization of chrysophenine G solutions  39

Z. ŠUŠTERIČ, Z. KONJAR:
Compounding and seeking the best rubber compounds by computer  45

N. BUKOVEC, P. BUKOVEC, J. ŠIFTAR:
The salts and double salts of rare earths. V. The dehydration of  CsLn(SO4)2.4H2O (Ln = La - Lu and Y)  103

V. FRANCETIČ, I. LEBAN:
The crystal structure of bis(pyrrolidine-carbodithioato)-zinc(II)  113

V. GRILC:
Minimum impeller speed for dispersion of two phase liquid systems  123

D. LESKOVŠEK:
Non-coulombic interactions in aqueous 1,1-electrolyte solutions  137

B. OREL, V. FAWCETT, D. A. LONG:
Pre-resonance Raman effect in monocrystalline naphthalene  151

M. TIŠLER, B. STANOVNIK, Z. ZRIMŠEK:
Reaction of trimethylsilyl azide with some diazo compounds  163

M. JAPELJ, V. TIŠLER, B. NOVAK, D. BABIČ:
The use of 3,7-dinitroso-1,3,5,7-tetraazobicyclo /3,3,1/nonane  in the synthesis  of some important 1,4-benzodiazopin-2-ones  215

D. KOCJAN, D. HADŽI:
MO calculations of the conformational energy of 2-phenylpropionic acid,  a model for antiinflamatory drugs  229

T. KOLOINI, L. KRIVIČIČ, M. ŽUMER:
An approximate method for the prediction of the irreversible ion exchange in series of stirred tanks  235

L. KOSTA, B. PIHLAR, B. SMODIŠ:
Trace elements as indicators of the origin of ancient alloys from Slovene finds  249

D. KOZAK, N. PIVEC, G. VESNAVER, R. ZORNIK:
UV-absorption of some dicarboxylic and polycarboxylic acids and their anions  261

D. I. LASIČ, M. SCHARA:
EPR study of lecithin water systems  275

I. MEKJAVIĆ:
The 4.3 ? absorption band of CO2 under high pressure  283

J. V. BRENČIČ, P. ŠEGEDIN:
Preparative and structural studies of halodimolybdates(II). VI. Synthesis and  crystal structure of bis(piperidinium)hexabromodiaquodimolybdate(II)  367

N. BUKOVEC, L. GOLIČ, J. ŠIFTAR:
The salts and double salts of rare earths. VII. Structural study of dehydration  differences between CsŠPr(SO4)2(H2O) 3Ć.H2O and  CsŠLu(SO4) 2 (H2O) 3Ć.H2O  377

N. BULC, L. GOLIČ, J. ŠIFTAR:
Über die Struktur der Trihydrogen-Oxalate-Dihydrate einiger einwertigen  Ionen  387

A. DEMŠAR, P. BUKOVEC:
Synthesis and structure of guanidinium pentafluorooxovanadate(IV)  401

M. DROFENIK, D. KOLAR, V. MARINKOVIČ, T. PORENTA:
Thermal effects in oxidation of nickel tellurides  407

B. FRLEC, D. GANTAR, J.H. HOLLOWAY:
New metal(II) hexafluoroarsenates: Preparation and some properties  415

B. FRLEC, D. GANTAR, I. LEBAN :
Redetermination of the crystal structure of tritin octafluoride  421

L. GOLIČ, V. KAUČIČ, Z. TRONTELJ:
The crystal structure of chlorodiaquotin(II)trichlorostannate(II)  monohydrate, ŠSnCl(H2O)2ĆŠSnCl3Ć.H2O  425

K. LUTAR, G. ŠMALC, J. SLIVNIK:
On the photosynthesis of xenon difluoride and xenon tetrafluoride  435

S. MILIĆEV:
Nornal coordinate analyses of hydrazine and hydrazine-d4  451

J. SLIVNIK, A. RAHTEN, B. SEDEJ:
Synthesis of uranyl(VI) hydrazidocarbonate hydrate hydrazine  461

REPORT

J. ČERNETIČ, S. DIVJAK:
Justification of process computer control  325

RESEARCH GROUP ACTIVITIES

R. MODIC:
Report on research work on the chair of chemical engineering at the  University of Ljubljana  59

I. VIZOVIŠEK, U. OSREDKAR:
Department for chemistry and technology of polymers of the  Boris Kidrič Institute of chemistry  321

NEWS FROM INDUSTRY

P. MUNIH, N. PERDIH:
Recast and use of rubber waste products  71

D. LIPUŠ:
Problems of raw materials for the production of detergents from the viewpoint  of the factory Belinka  173

S. OBLAK:
Situation of the Slovenian chemical and rubber industry and its economical  relations with other countries  179

NEW PLANTS

S. JURČIĆ:
About petrochemistry plant, using propylene as raw material, in Koper  295

R. KOCJAN, M. KREMSER:
LEK factory opens new plant for hydrogenation of ergot alkaloids  313

IN MEMORIAM PROF. DR. BRANKO BRČIĆ  No.: 4

SUPPLEMENT

I. Conference on Computer Based Analytical Chemistry, Abstracts

D. HADŽI, J. ZUPAN:
Prologue  5

INVITED LECTURES

E. ZIEGLER:
Design of laboratory computers based on multi·task operating systems  11

M. BOS:
On-line computers in classical chemical analysis  13

H. C. SMIT:
Principles and problems of computer based instruments and networks  19

U. MARKWARDT:
Design criteria of digital computer systems for the analytical laboratory  23

Z. HIPPE:
Algorithms for high-level processing of gas-Chromatograms: Present status and future developments  27

S. SASAKI:
CHEMICS - A computer program system of structure elucidation of organic  compounds by spectral·data and other chemical evidences  31

S. R. HELLER, G. W. A. MILNE:
The NIH-EPA chemical information system in support of structure elucidation  37

J. T. CLERC, H. KÖNITZER, M. MÄNDLI:
Compilation and maintenance of spectroscopic data banks  43

J. ZUPAN:
A minicomputer oriented combined chemical information system  49

J. E. DUBOIS:
Recent developments of DARC system with the respect to the analytical  chemistry  53

L. A. GRIBOV:
The perspective of artificial intellect systems for molecular spectroscopy  55

K. VARMUZA:
Pattern recognition applications and evaluation of classification  61

SHORT COMMUNICATIONS

J. C. SMIT, H. C. SMIT, E. M. DE JAGER:
Simulation package applied to models in non-linear ideal chromatography  67

Y. KATAGIRI:
Study of a file searching for proton NMR spectra  69

M. MAEDER, H. GAMPP:
Handling of spectrophotometric data. I. Convenient computation of series  of spectra  75

M. FARKAS:
On-line computer system for organic functional group determination  81

W. WEGSCHEIDER, K. MÜLLER:
New on-line applications of minicomputer in X-ray spectrometry  83

G. E. VERESS, E. PUNGOR:
A general program system for off-line data processing  85

POSTERS

F. AMUNDSEN, O. S. BORGEN:
Microprocessor-controlled data stations for general laboratory applications  89

A. BEZEGH, G. HORYAI, G. E. VERESS:
On the problem of direct or inverse calibration  90

J. T. CLERC, St. DÜTSCH, M. GRATZL, P. C. MEIER, Ph.  PERISSET,
E. PRETSCH, F. PUNGOR, W. SIMON:
Microprocessor-controlled potentiometric concentration measurements of ions in blood serum  91

L. DAMOKOS, I. E. FRANK, E. PUNGOR, P. SOMOGYVÁRY, M. VÁRADY, G. E. VERESS:
Software system for microprocessor based integrator  92

H. GAMPP, M. MAEDER:
Handling of spectrometric data. II. Data acquisition and determination of rate and equilibrium constants  93

M. HOŠPES, V. SVOBODA, J. VOČKOVA:
Automatic evaluation of high efficiency liquid chromatography by minicomputer  95

I. KÖHLER, J. MOWITZ, H. J. OPFERKUCH, M. ZIPPEL:
Computer search of a spectral library for identification and structure elucidation of organic compounds  96

M. PENCA, J. ZUPAN, D. HADŽI:
Hierarchical preprocessing of spectral data  97

M. PROŠEK, A. MEDJA, E. KUČAN, R. E. KAISER:
The use of personal computers in analytical chemistry  98

M. RAZINGER, J. ZUPAN, M. PENCA, B. BARLIČ, D. HADŽI:
Interactive update and simulation of different spectra types  99

J. STUR, N. MAREK:
Computer controlled automatic titrations of multicomponent pH and  redox potential dependent systems  100

P. SZEPESVARY, G. SZEKELY:
Formal logical treatment of qualitative analytical problems  101

G. SZALONTAI, Z. SIMON, Z. CSAPO, M. FARKAS, G. PFEIFER:
Structure·determination by the aid of computer. Use of IR and CNMR data  in the recovery of functional groups  102

J. INCZÉDY:
Calculation of retention volume in ion exchange chromatography using  numerical integration  103