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book article

Differential-thermal analysis for estimating the thermal stability of the NPK-fertilizersViisimaa, Ludmilla; Tõnsuaadu, KaiaEuroanalysis VII : European Conference on Analytical Chemistry, Vienna, Austria, August 26-31 1990 : book of abstracts. Vol. 21990 / p. B7 P-Fr-106

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52

journal article EST / journal article ENG

Dissolution kinetics of rare earth elements from Estonian phosphate rock using hydrochloric acid treatmentAzeez, Ruhany Sheherazad; Tõnsuaadu, Kaia; Einard, Marve; Kaljuvee, Tiit; Trikkel, AndresMinerals engineering2025 / art. 109641 https://doi.org/10.1016/j.mineng.2025.109641 http://https://www.sciencedirect.com/science/article/pii/S0892687525004698 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

53

book article

Dissolution of rare earth elements from phosphate ore in hydrochloric acidHacialioglu-Erlenheim, Gizem; Tõnsuaadu, Kaia; Urtson, Kristjan; Kallaste, Toivo; Trikkel, AndresXIV International Mineral Processing and Recycling Conference : proceedings2021 / p. 166-171 : ill https://imprc.tfbor.bg.ac.rs/download/IMPRC_2021_Proceedings.pdf

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54

journal article

EDTA impact on Cd2+ migration in apatite-water systemTõnsuaadu, Kaia; Viipsi, Karin; Trikkel, Andres; Viipsi, KarinJournal of hazardous materials2008 / p. 491-497 : ill https://www.sciencedirect.com/science/article/pii/S0304389407014999

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55

book article

EDTA ja tsitraatioonide mõju Cd2+ ioonide sidumisele apatiidigaTõnsuaadu, Kaia; Vatter, Karin; Peld, Merike; Mikli, ValdekXXIX Eesti keemiapäevad : teaduskonverentsi ettekannete teesid = 29th Estonian Chemistry Days : abstracts of scientific conference2005 / lk. 125

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56

book

Eesti fosforiidi säästlik väärindamine : [RITA MAARE projekti aruanne]2020 https://fond.egt.ee/fond/egf/9405

book

57

journal article EST / journal article ENG

Effect of calcination of Estonian black shale on the solubility of metallic elements in sulfuric acid environmentKivimäe, Eliise-Koidula; Tõnsuaadu, Kaia; Kaljuvee, Tiit; Kallaste, Toivo; Trikkel, AndresJournal of thermal analysis and calorimetry2025 / 12 p https://doi.org/10.1007/s10973-025-15121-8 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

58

journal article EST / journal article ENG

Effect of flotation time and collector dosage on Estonian phosphorite beneficiationTamm, Kadriann; Zadeh, Zeinab Arab; Kuusik, Rein, keemik; Kallas, Juha; Yang, Jason; Tõnsuaadu, Kaia; Trikkel, AndresMinerals2021 / art. 114 https://doi.org/10.3390/min11020114 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

59

journal article

Effect of fluoride and carbonate substitutions on apatites Cd2+ sorption capasityPeld, Merike; Tõnsuaadu, Kaia; Bender, Villem; Veiderma, MihkelToxicological and environmental chemistry2001 / p. 43-53 https://www.researchgate.net/publication/250894615_Effect_of_fluoride_and_carbonate_substitutions_on_apatites_Cd_sorption_capacity

journal article

60

book article

Effect of precipitation conditions on the apatite structureTõnsuaadu, Kaia; Peld, Merike; Mikli, Valdek; Bender, VillemConference on Knowledge-based Materials and Technologies for Sustainable Chemistry : 1-5 June 2005, Tallinn, Estonia : abstract book2005 / p. 122

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61

newspaper article

Ehkki haruldasi muldmetalle otsitakse Lääne-Virumaalt, on neid tunduvalt enam Maardu fosforiidisTohver, Andresvirumaateataja.postimees.ee2023 Ehkki haruldasi muldmetalle otsitakse Lääne-Virumaalt, on neid tunduvalt enam Maardu fosforiidis

newspaper article

62

book article

Elements distribution between solid and liquid phases in hydrochloric acid treatment of phosphate oreHacialioglu-Erlenheim, Gizem; Tõnsuaadu, Kaia; Urtson, Kristjan; Kallaste, Toivo; Trikkel, AndresGSFMT Scientific Conference 2021 : Tartu, June 14-15, 2021 : abstracts2021 / P 54 https://fmtdk.ut.ee/wp-content/uploads/2021/06/GSFMT_abstractbook_2021.pdf

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63

journal article EST / journal article ENG

Estonian phosphate rock dissolution in hydrochloric acid : optimization of acid dosage and concentrationTõnsuaadu, Kaia; Kallas, Juha; Kallaste, Toivo; Urtson, Kristjan; Einard, Marve; Martin, Rasmus; Kuusik; Rein; Trikkel, AndresMinerals2023 / art. 578 https://doi.org/10.3390/min13040578 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

64

journal article EST / journal article ENG

Evaluation of Estonian phosphate rock by flotationYang, Xiaosheng; Tamm, Kadriann; Piir, Indrek; Kuusik, Rein, keemik; Trikkel, Andres; Tõnsuaadu, KaiaMinerals engineering2021 / art. 107127, 10 p. : ill https://doi.org/10.1016/j.mineng.2021.107127 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

65

journal article

Evolved gas analysis of apatite materials using thermochromatographyKoel, Mihkel; Kudrjašova, Marina; Tõnsuaadu, Kaia; Peld, Merike; Veiderma, MihkelThermochimica acta1998 / 1, p. 25-32: ill

journal article

66

book article

Fluorhydroxyapatites of Northern Europe and their thermal transformationsVeiderma, Mihkel; Knubovets, Rena; Tõnsuaadu, KaiaXIIIth International Conference on Phosphorus Chemistry - ICPC, Jerusalem, Israel, July 16-21, 1995 : abstracts1995 / p. 83

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67

book article

Fluorhydroxyapatites of Northern Europe and their thermal transformationsVeiderma, Mihkel; Knubovets, Rena; Tõnsuaadu, KaiaProceedings of the Thirteenth International Conference on Phosphorus Chemistry (XIIIth ICPC) held in Jerusalem, Israel, July 16-21, 1995. Part 11996 / p. 43-46

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68

journal article EST / journal article ENG

Formation of Ca-Zn-Na phosphate bioceramic material in thermal processing of EDTA sol-gel precursorBogdanoviciene, Irma; Cepenko, Marina; Traksmaa, Rainer; Kareiva, Aivaras; Tõnsuaadu, KaiaJournal of Thermal Analysis and Calorimetry2015 / p. 107-114 : ill https://doi.org/10.1007/s10973-015-4507-2 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

69

book article

Formation of Ca-Zn-Na phosphate bioceramic material in thermal processing of EDTA sol-gel precursorBogdanoviciene, Irma; Cepenko, Marina; Traksmaa, Rainer; Kareiva, Aivaras; Tõnsuaadu, KaiaESTAC-11 : the 11th European Symposium on Thermal Analysis and Calorimetry : Dipoli Congress Center, Espoo, Finland, August 17-21, 2014 : abstracts2014 / p. 190

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70

book article

Formation peculiarities of calcium hydroxyapatite Ca10(PO4)6(OH)2 during sol-gel processing [Electronic resource]Bogdanoviciene, Irma; Tõnsuaadu, Kaia; Mikli, Valdek; Grigoraviciute-Puroniene, Inga; Beganskiene, Aldona; Kareiva, AivarasECIS 2010 : 24th Conference of the European Colloid and Interface Society : September 5-10, Prague, Czech Republic2010 / p. P.2.89 [CD-ROM]

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71

book article

FTIR and Raman spectroscopic studies of sulphate substituted apatitesTõnsuaadu, Kaia; Villain, F.; Peld, Merike; Gruselle, M.The First International Conference on Advanced Vibrational Spectroscopy : ICAVS-1 : August 19-24, 2001, Turku, Finland : book of abstracts and program2001 / p. P8.93

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72

book article

Hüdroksüülaptiidi lahustumine ja pinna komplekseerumine Cd2+ ja EDTA juuresolekulViipsi, Karin; Sjöberg, Staffan; Tõnsuaadu, KaiaXXXI Eesti keemiapäevad : [28. aprill 2010, Tallinn] : teaduskonverentsi teesid = 31st Estonian Chemistry Days : abstracts of scientific conference2010 / lk. 83

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73

book article

Hydroxy- and fluorapatite as a sorbents in Cd(II) - Zn(II) multicomponent solution in the presence of EDTAViipsi, Karin; Tõnsuaadu, Kaia; Shchukarev, Andrey6th ISMOM : International Symposium of Interactions of Soil Minerals with Organic Components and Microorganisms; 3rd InterCongress of Commission 2.5 IUSS Soil chemical, physical and biological interfacial reactions, 26th June - 1st July 2011, Montpellier, France : conference proceedings; book of abstracts2011 / [1 p.] https://www.sciencedirect.com/science/article/pii/S0304389413001507

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74

journal article EST / journal article ENG

Hydroxy- and fluorapatite as sorbents in Cd(II)–Zn(II) multi-component solutions in the absence/presence of EDTAViipsi, Karin; Sjöberg, Staffan; Tõnsuaadu, Kaia; Shchukarev, AndreyJournal of hazardous materials2013 / p. 91-98 : ill https://doi.org/10.1016/j.jhazmat.2013.02.034 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

journal article EST / journal article ENG

75

book article

Hydroxyapatite-based catalysts in organic synthesisGruselle, Michel; Tõnsuaadu, Kaia; Gredin, Patrick; Len, ChristopheDesign and applications of hydroxyapatite-based catalysts2022 / chapter 10 https://doi.org/10.1002/9783527830190.ch10

book article

Tõnsuaadu, Kaia (author)

types of item

author 25

CV 10

name of the person 7