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Factors Influencing Additive Interactions with Calcium Hydrogenphosphate Dihydrate Crystals


Sikirić, Maja; Babić-Ivančić, Vesna; Milat, Ognjen; Fueredi-Milhofer, Helga
Factors Influencing Additive Interactions with Calcium Hydrogenphosphate Dihydrate Crystals // Langmuir, 16 (2000), 2000; 9261-9266 (međunarodna recenzija, članak, znanstveni)


Naslov
Factors Influencing Additive Interactions with Calcium Hydrogenphosphate Dihydrate Crystals

Autori
Sikirić, Maja ; Babić-Ivančić, Vesna ; Milat, Ognjen ; Fueredi-Milhofer, Helga

Izvornik
Langmuir (0743-7463) 16 (2000), 2000; 9261-9266

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Calcium hydrogenphosphate dihydrate; crystal growth; mechanisms of additive interactions

Sažetak
The effect of aspartic acid, glutamic acid, hexaammonium tetrapolyphosphate, calcium phytate and polyaspartic acid on calcium hydrogenphosphate dihydrate (CaHPO4ˇ2H2O, DCPD) crystal growth morphology was studied. Mechanism of additive-DCPD crystals interaction depends on size and structure of additive molecule, structural fit between organic molecule and the ionic structure of particular crystal face. Small molecules with low charge (aspartic and glutamic acid) do not have significant effect, while small molecules with several functional groups (citrate and hexaammonium tetrapolyphosphate) adsorb on lateral faces primarily by electrostatic interactions. Molecules with hindered structure (phytate) and macromolecules (polyaspartic acid) specifically adsorb on dominant (010) face, for which certain degree of structural fit is necessary.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija, Šumarstvo



POVEZANOST RADA


Projekt / tema
00350105
00980602
178881

Ustanove
Institut za fiziku, Zagreb,
Institut "Ruđer Bošković", Zagreb,
Agronomski fakultet, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus