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1

Determination of Fluid Inclusion Electrolytes by Atomic Absorption Spectroscopy as of the Water Leachates of Crushed or Decrepitated Quartz Samples from Madan, Bulgaria

Boryana G. Kotzeva, Irina D. Gocheva, Nikolay B. Piperov, Ivan P. Havezov, Albena K. Detcheva

Journal:

Microchimica Acta

Year:

2004

Language:

english

File:

PDF, 98 KB

english, 2004

2

[IEEE IEEE GLOBECOM 1998 - Sydney,NSW,Australia (8-12 Nov. 1998)] IEEE GLOBECOM 1998 (Cat. NO. 98CH36250) - A numerical method for spectral shaping of CPM signals

Freidhof, M., Havezov, P.

Year:

1998

Language:

english

File:

PDF, 282 KB

english, 1998

3

Zur Extraktionschromatographie mit hochporösen Polymeren

Dr. Markus Stoeppler (Vortr.), Ivan Havezov, Dr. Safa Al-Murab

Journal:

Angewandte Chemie

Year:

1971

Language:

german

File:

PDF, 116 KB

german, 1971

4

Problems, possibilities and limitations of inductively coupled plasma atomic emission spectrometry in the determination of platinum, palladium and rhodium in samples with different matrix composition

P. Petrova, S. Velichkov, N. Velitchkova, I. Havezov, N. Daskalova

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2010

Language:

english

File:

PDF, 188 KB

english, 2010

5

Graphite-furnace atomization of phosphorus

I. Havezov, E. Russeva

Journal:

Analytica Chimica Acta

Year:

1989

Language:

english

File:

PDF, 459 KB

english, 1989

6

Factors influencing the free oxygen content in an electrothermal atomizer

A.B. Volynsky, E.M. Sedykh, B.Ya. Spivakov, I. Havezov

Journal:

Analytica Chimica Acta

Year:

1985

Language:

english

File:

PDF, 571 KB

english, 1985

7

Molekülabsorptionsspektrometrie mit elektrothermischer verdampfung in einer graphitrohrküvette: 12. Tei. bestimmung von cl-species in selen und AIIIBV-halbleitermaterialien

K Dittrich, V Beyer, I Havezov

Journal:

Analytica Chimica Acta

Year:

1984

Language:

german

File:

PDF, 400 KB

german, 1984

8

Determination of barium, chromium, cadmium, manganese, lead and zinc in atmospheric particulate matter by inductively coupled plasma atomic emission spectrometry (ICP-AES)

Iv. Boevski, N. Daskalova, I. Havezov

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2000

Language:

english

File:

PDF, 132 KB

english, 2000

9

Analysis of single crystals based on strontium–lithium–titanium oxides by inductively coupled plasma atomic emission spectrometry

A. Detcheva, N. Daskalova, S. Velichkov, I. Havezov

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2003

Language:

english

File:

PDF, 97 KB

english, 2003

10

Löslichkeitsprodukte der normalen Carbonate einiger dreiwertiger Seltener Erden (E2(CO3)3 · nH2O)

N. Jordanov, I. Havezov

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

1966

Language:

german

File:

PDF, 289 KB

german, 1966

11

Einfluß der Füllung auf das extraktionschromatographische Verhalten Seltener Erden im System Di-(2-äthylhexyl)-phosphorsäure-Chromosorb-Salzsäure

C. Vasilev, L. Faitondjiev, I. Havezov

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1974

File:

PDF, 332 KB

1974

12

Study of some palladium-containing chemical modifiers in graphite furnace atomic absorption spectrometry

Ivan Havezov, Albena Detcheva, Josef Rendl

Journal:

Microchimica Acta

Year:

1995

Language:

english

File:

PDF, 585 KB

english, 1995

13

Slurry Sampling Electrothermal Atomic Absorption Spectrometric Determination of Sodium and Iron Impurities in Optical Crystals of Rubidium Titanyl Phosphate

Galia Gentscheva, Albena Detcheva, Ivan Havezov, Elisaveta Ivanova

Journal:

Microchimica Acta

Year:

2004

Language:

english

File:

PDF, 201 KB

english, 2004

14

Electrothermal AAS determination of bismuth, antimony and tin in high-purity WO3

I. Havezov, N. Jordanov, H. M. Ortner

Journal:

Analytical and Bioanalytical Chemistry

Year:

1991

Language:

english

File:

PDF, 316 KB

english, 1991

15

AAS determination of trace elements in high-purity gold after matrix separation by solvent extraction

E. Ivanova, N. Jordanov, I. Havezov, M. Stoimenova, S. Kadieva

Journal:

Analytical and Bioanalytical Chemistry

Year:

1990

Language:

english

File:

PDF, 218 KB

english, 1990

16

Arsenic speciation in waste waters by extraction chromatography followed by atomic absorption spectrometry

E. Russeva, I. Havezov, A. Detcheva

Journal:

Analytical and Bioanalytical Chemistry

Year:

1993

Language:

english

File:

PDF, 318 KB

english, 1993

17

Extraktion von Tellur(IV) aus Schwefelsäure und Kaliumjodid enthaltenden Lösungen

I. Havezov, M. Stoeppler

Journal:

Analytical and Bioanalytical Chemistry

Year:

1972

File:

PDF, 300 KB

1972

18

Effect of matrix components in the determination of lead in soils by atomic absorption spectrophotometry

A. G. Braschnarova, L. P. Faitondjiev, I. Havezov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1977

Language:

english

File:

PDF, 56 KB

english, 1977

19

Zum Mechanismus der Extraktion von Tellur (IV) aus salzsaurem Medium mit gesättigten aliphatischen Monoketonen

I. Havezov, H. W. Nürnberg, M. Stoeppler, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1972

File:

PDF, 432 KB

1972

20

Atomic absorption determination of traces of elements in ammonium perrhenate of high purity

N. Jordanov, I. Havezov, O. Bozhkov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1989

Language:

english

File:

PDF, 343 KB

english, 1989

21

Bestimmung von Mikrospuren Bi, Co, Fe, In, Mn, Ni, Pb, Cu, Sb und Zn in Phosphorsäure und Ammoniumphosphaten

I. Havezov, E. Ivanova, P. Koehler, N. Jordanov, R. Matchat, K. Reiher, G. Emrich, K. Licht

Journal:

Analytical and Bioanalytical Chemistry

Year:

1987

Language:

german

File:

PDF, 402 KB

german, 1987

22

Atomic-absorption spectrophotometric determination of beryllium inβ-Al2O3ceramics

I. Havezov, B. Tamnev

Journal:

Analytical and Bioanalytical Chemistry

Year:

1978

Language:

english

File:

PDF, 270 KB

english, 1978

23

Microtrace determination in high-purity selenium

E. Ivanova, N. Vracheva, I. Havezov, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1986

Language:

english

File:

PDF, 376 KB

english, 1986

24

Electrothermal atomization using the L'vov platform. Determination of traces of lead, cadmium, manganese and copper in a NaCl matrix

I. Havezov, E. Ivanova

Journal:

Analytical and Bioanalytical Chemistry

Year:

1983

Language:

english

File:

PDF, 332 KB

english, 1983

25

Flameless atomic absorption determination of beryllium in air filters

I. Havezov, B. Tamnev

Journal:

Analytical and Bioanalytical Chemistry

Year:

1978

Language:

english

File:

PDF, 101 KB

english, 1978

26

Extraction-flame atomic absorption determination of microtraces of Ag, Bi, Cd, Co, Cu, Fe, Mn, Ni, Pb and Zn in ammonium sulphate

E. Ivanova, I. Havezov, N. Vracheva, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1985

Language:

english

File:

PDF, 369 KB

english, 1985

27

Extraction atomic absorption determination of traces of phosphorus in tungsten trioxide

E. Russeva, I. Havezov, N. Jordanov, H. Ortner

Journal:

Analytical and Bioanalytical Chemistry

Year:

1985

Language:

english

File:

PDF, 200 KB

english, 1985

28

Microtrace determination in high-purity selenium

E. Ivanova, N. Vracheva, I. Havezov, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1988

Language:

english

File:

PDF, 232 KB

english, 1988

29

Microtrace determination in high-purity selenium

E. Ivanova, I. Havezov, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1987

Language:

english

File:

PDF, 209 KB

english, 1987

30

Electrothermal atomic-absorption determination of traces of arsenic and phosphorus in copper-nickel alloys

E. Russeva, I. Havezov, B. Ya. Spivakov, V. M. Shkinev

Journal:

Analytical and Bioanalytical Chemistry

Year:

1983

Language:

english

File:

PDF, 330 KB

english, 1983

31

Flameless atomic-absorption determination of phosphorus using ZrC coated graphite atomizer tubes

I. Havezov, E. Russeva, N. Jordanov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1979

Language:

english

File:

PDF, 252 KB

english, 1979

32

Determination of microtraces of Bi, Co, Cu, Fe, Mn, In, Ni, Pb, Sb and Zn in phosphoric acid and ammonium phosphate

I. Havezov, G. Emrich, E. Ivanova, P. Koehler, Nguyen van Ha, N. Jordanov, K. Licht

Journal:

Analytical and Bioanalytical Chemistry

Year:

1987

Language:

german

File:

PDF, 285 KB

german, 1987

33

Atomabsorptions-spektralphotometrische Bestimmung von Natrium und Magnesium in β-Aluminat-Materialien

B. K. Tamnev, I. Havezov, L. K. Iotova

Journal:

Analytical and Bioanalytical Chemistry

Year:

1974

File:

PDF, 262 KB

1974

34

Selective absorption of bromine on columns of silver nitrate-loaded porous glass powder and its application in the neutron activation analysis of high-purity selenium

W. Soyka, I. Havezov, G. Erdtmann

Journal:

Journal of Radioanalytical and Nuclear Chemistry

Year:

1972

Language:

english

File:

PDF, 457 KB

english, 1972

35

Referate

W. Czysz, H. Pohl, K. H. Neeb, M. Pavlova, P. Haas, B. Tvaroha, K. Henning, H. Wagner, H. Berge, I. Havezov, M. Olivier, K. H. Birr, P. Haas, K. Henning, H. A. Rohleder, R. Winkler, B. Tvaroha, M. Hři

Journal:

Analytical and Bioanalytical Chemistry

Year:

1969

File:

PDF, 4.95 MB

1969

36

Atomic absorption spectrometry (AAS) – a versatile and selective detector for trace element speciation

Journal:

Analytical and Bioanalytical Chemistry

Year:

1996

Language:

english

File:

PDF, 98 KB

english, 1996

37

Flame AAS determination of thallium in soils

S. Tsakovski, E. Ivanova, I. Havezov

Journal:

Year:

1994

Language:

english

File:

PDF, 358 KB

english, 1994

38

Flame AAS determination of dopants and trace metal impurities in single crystals of potassium titanylphosphate

E. Ivanova, I. Havezov

Journal:

Year:

1995

Language:

english

File:

PDF, 344 KB

english, 1995

39

Anion-exchange enrichment of thallium and cadmium prior to their flame atomic absorption spectrometric determination in soils

E. Ivanova, S. Tsakovski, G. Gentscheva, I. Havezov

Journal:

Year:

1996

Language:

english

File:

PDF, 289 KB

english, 1996

40

Nitrogen species in drinking water indicate potential exposure pathway for Balkan Endemic Nephropathy

Nedialka Niagolova, Shawn P. McElmurry, Thomas C. Voice, David T. Long, Evangelos A. Petropoulos, Ivan Havezov, Karen Chou, Varban Ganev

Journal:

Environmental Pollution

Year:

2005

Language:

english

File:

PDF, 326 KB

english, 2005

41

Field deployable method for arsenic speciation in water

Thomas C. Voice, Lisveth V. Flores del Pino, Ivan Havezov, David T. Long

Journal:

Physics and Chemistry of the Earth, Parts A/B/C

Year:

2011

Language:

english

File:

PDF, 241 KB

english, 2011

42

Slurry sampling ETAAS determination of sodium impurities in optical crystals of potassium titanyl phosphate and potassium gadolinium tungstate

Albena Detcheva, Galia Gentscheva, Ivan Havezov, Elisaveta Ivanova

Journal:

Year:

2002

Language:

english

File:

PDF, 149 KB

english, 2002

43

Electronic spectra of diethyldithiocarbamate complexes of central atoms with closed-shell configurations

G.St. Nikolov, N. Jordanov, I. Havezov

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1971

Language:

english

File:

PDF, 325 KB

english, 1971

44

Diethyldithiocarbamate complexes of tellurium(II) and tellurium(IV)

G.St. Nikolov, N. Jordanov, I. Havezov

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1971

Language:

english

File:

PDF, 184 KB

english, 1971

45

Separation of tellurium(IV) by solvent extraction methods

I. Havezov, N. Jordanov

Journal:

Year:

1974

Language:

english

File:

PDF, 1.03 MB

english, 1974

46

Composition of phosphoric acid solutions obtained when orthophosphoric acid is used as solvent for iron-containing samples by heating: The influence of nitric acid, sulphuric acid and iron(III)

N. Jordanov, B. Nikolova, I. Havezov

Journal:

Year:

1978

Language:

english

File:

PDF, 391 KB

english, 1978

47

Determination of ortho- and pyrophosphates in waters by extraction chromatography and flow-injection analysis

B.Ya. Spivakov, T.A. Maryutina, L.K. Shpigun, V.M. Shkinev, Yu.A. Zolotov, E. Ruseva, I. Havezov

Journal:

Year:

1990

Language:

english

File:

PDF, 517 KB

english, 1990

48

Determination of the Uncertainty of the Flame Atomic Absorption Spectrometer for Copper, Cobalt, Cadmium, and Nickel

Petrov, Alexander, Gentscheva, Galia, Havezov, Ivan, Ivanova, Elisaveta

Journal:

Analytical Letters

Year:

2009

Language:

english

File:

PDF, 456 KB

english, 2009

49

ChemInform Abstract: EINFLUSS DER FUELLUNG AUF DAS EXTRAKTIONSCHROMATOGRAPHISCHE VERHALTEN VON SELTENERDMETALLEN IM SYSTEM DI-(2-AETHYLHEXYL)-PHOSPHORSAEURE-CHROMOSORB-SALZSAEURE

VASILEV, CHR., FAITONDJIEV, L., HAVEZOV, L.

Journal:

Chemischer Informationsdienst

Year:

1975

File:

PDF, 125 KB

1975