“chemical engineering”

Professor Tālis Millers

Course description: 3 Credit units; 48 hours (32 lectures, 16 practice)

Control forms: exam
Course content:

• 
  Obtaining and properties of plasma.
  
• 
  Generators of plasma
  
• 
  Using directions of plasma:
  

obtaining of coatings with manner of plasma ,

cutting and welding of materials,

metallurgy,

chemical technology,

electronics,

growing of monocrystalls.

• 
  4. Obtaining and using of ultrafine dispersed powders.
  

Literature:

1. 
   C.F.Rhfgbdbyf. Gkfpvj[bvbxtcrbt nt[yjkjubxtcrbt ghjwtccs. K% {bvbz> 1987.
   
2. 
   U.Dbcjrjd. Ghbkj;yj gkfpvj[bvbz. Cjabz> Nt[ybrf> X.1> X.2> 1987.
   

Stone decorative materials

ĶST 467

Assistant Professor Ojārs Baumanis

Course description: 2Credit units; 32 hours (16 lectures, 16 laboratories)

Control forms: test
Course content:

• 
  Natural rocks. Classification of natural rocks. Magmatic rocks - origin, chemical and mineralogical constituents, structure, texture. Basalt,gabbro, granite, quartz.
  
• 
  Sedimentary rocks - origin, chemical and mineralogical constituents, structure, texture. Weathering of magmatic rocks and origin of deposits. Classification of sedimentary rocks. Boulders, sandstone, sand, gravel, limestone, travertine, tuff, dolomite, marl.
  
• 
  Metamorphic rocks - origin, chemical and mineralogical constituents, structure, texture. Serpentine, schistones, rocks, marble, quartzite, gneiss.
  
• 
  Obtaining and treatment of natural rocks. Influence of natural admixtures, cracks, structure and hardness on properties of stone. Sawing, grinding and polishing of natural stone. Long standing of decorative materials, resistance against environmental conditions. Compability of materials. Authetical requirement.
  
• 
  Decorative materials of Latvia - boulders, dolomite tuff and sandstone. Decorative materials in Latvian palaces, churches, estates, monuments and sculptures. Quarry of decorative stones in Latvia. Imported decorative materials.
  
• 
  Corrosion of decorative stones. Chemical and physical corrosion. Influence of water, acid, oxides, acid rain, soluble salts on stone. Influence of frost, different temperatures on stone. Protection from corrosion.
  

Literature:

1. 
   J.Eiduks, M.Kalniņš. Latvijas PSR derīgie izrakteņi un to izmantošana. Rīga, LVI, 1961, 431.
   
2. 
   T.Z.Rbtdktyrj> Y.Y.Ctyrtdbx. Utjkjubz vtcnjhj;ltybq gjltkjxys[ rfvytq. V.> Ytlhf> 1983> 262.
   
3. 
   V.Kuršs, A.Stinkule. Latvijas derīgie izrakteņi. Rīga, 1997, 200.
   

Glass crystalline materials

ĶST 468

Professor Jāzeps Boļšijs

Course description: 2 Credit units; 32 hours (32 lectures)

Control forms: test
Course content:

• 
  Theoretical principles of the crystallization of melts. Homogeneous and heterogeneous crystallization.
  
• 
  Catalysts of the crystallization of glasses: metals, oxides, carbides, silicides, sulphides, sulphoselenides, fluorides and mixed catalysts.
  
• 
  Glass crystalline materials on the basis of:
  

a) various systems : R_xO_y - SiO₂, R_xO_y -Al₂O₃ - SiO₂ and R_xO_y - Al₂O₃ - SiO₂ - Fe₂O₃,

b) compounds of mica type,

c) compositions, using rocks, ashes and clays.

• 
  The structure and mechanical, thermal, optical, chemical, electrical and other properties of glass crystalline materials.
  

Literature:

1. 
   1966> 348 c.
   
2. 
   1981> 464 c.
   
3. 
   1982> 255 c.
   
4. 
   Boļšijs J. Stikla kristāliskie materiāli. Metodiskie norādījumi. Rīga: RTU, 1990, 35.
   
5. 
   Cfhrbcjd G.L. Yfghfdktyyfz rhbcnfkkbpfwbz cntrkf - jcyjdf gjkextybz vyjujaeyrwbjyfkmys[ cntrkjrhbcnfkkbxtcrb[ vfnthbfkjd. V% H{NE L.B.Vtyltkttdf> 1997> 218 c.
   
6. 
   Materials of the periodical scientifical and patent’s literature.
   

Special course of chemical analyse of silicates

ĶST 474

Assistant Professor Ruta Švinka

Course description: 3 Credit units; 48 hours (16 lectures, 32 laboratories)

Control forms: exam
Course content:

• 
  General motion of chemical analyses of silicate raw materials and products. Removing of samples and their preparation. Determination of hygroscope and bonded water. Distribution of silicate rocks and materials with acids and thermal treatment.
  
• 
  Classical analyse methods. Determination of SiO₂ with classical and fast gravimetric and colorimetric methods. Determination of Me₂O₃ wtih gravimetric, volumetric and colorimetric method. Methods of CaO and MgO determination. Determination of alcaline metals with flame photometry method.
  
• 
  General motion of physico-chemical analyse methods, their feature and use.
  
• 
  Spectral and other optical methods:
  
• 
  atomic emission spectroscopy, atomic absorption spectroscopy, infra-red spectroscopy, spectrophotometry, luminiscentic analyse, X-ray fluoriscentic analyse.
  
• 
  Electrochemical methods:
  
• 
  conductometry, potentiometry, culonometry, etc.
  
• 
  Chromatographic methods of analyse:
  
• 
  gas-chromatography, gas-solution chromatography, chromatography of thin layer, ions exchange chromatography, paper chromatography.
  
• 
  Electromagnetic spectrum. Absorption of electromagnetic rays. Absorption, rotatory, oscillatory and electronic spectrums.
  
• 
  Laboratory works:
  
• 
  Full chemical analyse of clay with chemical and physicochemical methods of analyse.
  
• 
  Quantitative determination of soluble lead in the lead containing glazes of pottery.
  

Literature:

1. 
   V.Vasiljev. Analytical chemistry. M., 1988.(in russ.)
   
2. 
   V.Aleskovsky. Physico-chemical methods of analyse. Leningrad, 1988. (in russ.)
   

Biological harmony and bioactive of materials

ĶST 502