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Title:VPLIV SKUPNEGA IONA NA VISKOZNOST ELEKTROLITSKIH MEŠANIC
Authors:Hiter, Marijana (Author)
Slemnik, Mojca (Mentor) More about this mentor... New window
Simonič, Marjana (Co-mentor)
Files:.pdf VS_Hiter_Marijana_2016.pdf (4,93 MB)
MD5: 7F0B04F77D6C3FF035B58F3F0C407567
 
Language:Slovenian
Work type:Bachelor thesis/paper (mb11)
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:S Cannon-Fenskejevim viskozimetrom v termostatirani celici smo merili vpliv skupnega iona na viskoznost elektrolitskih mešanic. Meritve so bile opravljene pri temperaturah 20°C, 25°C, 30°C, 35°C, 40°C, 45°C in 50°C. Za merjenje viskoznosti smo si pripravili čiste raztopine KCl, NaCl in NaNO3 s koncentracijo 0,1 mol/L. Pripravili smo mešanice soli, s koncentracijami od 0,01 do 0,09 mol/L tako, da je bila skupna koncentracija vedno 0,1 mol/L. V raztopini KCl in NaCl smo preučevali vpliv skupnega aniona, v NaCl in NaNO3 smo določali vpliv skupnega kationa, mešanica KCl in NaNO3 pa ni imela skupnega iona. Vsem tem raztopinam smo izmerili še gostoto pri različnih temperaturah. Pokazali smo, da z višanjem temperature padata tako viskoznost kot tudi gostota čistih elektrolitov. Pri različnih koncentracijah elektrolitskih mešanic, se viskoznost in gostota znižata ali zvišata , v odvisnosti od sestave elektrolitske mešanice.
Keywords:Viskoznost, skupni ion, gostota, koncentracija, temperatura, elektrolitske mešanice
Year of publishing:2015
Publisher:[M. Hiter]
Source:Maribor
UDC:532.13(043.2)
COBISS_ID:19330070 New window
NUK URN:URN:SI:UM:DK:2R7UPSBG
Views:1220
Downloads:73
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:THE INFLUENCE OF COMMON ION ON THE VISCOSITY OF THE ELECTROLYTE MIXTURES
Abstract:The influence of common ion in electrolytic mixtures was measured with Cannon-Fenske viscometer in thermostated cell. The measurements were made at temperatures of 20°C, 25°C, 30°C, 35°C, 40°C, 45°C and 50°C. For the viscosity measuring the viscosity of pure solutions of KCl, NaCl and NaNO3 were prepared, with concentration 0,1 mol/L. Mixtures of salts which compositions were from 0.01 to 0.09 mol/L, so that the total concentration was always 0.1 mol/L. The influence of the common anion was studied in KCl and NaCl solution, while the influence of common cation was studied in NaCl and NaNO3 solution. The solution of KCl and NaNO3 was without common ion. Densities of all these solutions at different temperatures were also measured. We concluded that increasing temperature decreases the viscosity and density of pure electrolytes. With different concentrations of electrolyte mixtures, viscosity and density decrease or increase, depending on which electrolyte mixture we are considering.
Keywords:Viscosity, common ion, density, concentration, temperature, electrolyte mixture


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