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Ceramics |
OXIDES |
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1. SOURCES OF BASE OXIDES (RO) Barium Oxide (BaO) - barium carbonate (BaCO3) toxic
Calcium Oxide (CaO) - calcium carbonate also called whiting (CaCO3) Colmanite
also known as gerstley borate (2CaO.3B2O3.SH2O) dolomite (CaMg(CO3)2)
bone ash, (Ca3(PO4)2) Lead Oxide (PbO) - don't use it-very poisonous Lithium Oxide - we do not use (Li2O) Magnesium Oxide (MgO) - magnesium carbonate (MgCO3) - dolomite (CaMg(CO3)2
- talc (4MgO.5SiO2.H2O) Potassium Oxide (K2O) - Potassium carbonate also known as Pearl Ash (K2CO3)
- Potash feldspar (K2O.Al2O3.6SiO2) - Cornwall stone (1RO.1.16Al2O3.8.95SiO2) Sodium Oxide (Na2O) - Sodium Chloride (NaCl) - Soda Ash (Na2CO3) - Sodiumbicarbonate
(NaHCO3) - Borax (Na2O.2B2O3.10H2O) - Soda Feldspar (Na2O.Al2O3.6SiO2)
- Nephelinesyenite (K2O.3Na2O.4Al2O3.9SiO2) Zinc Oxide (ZnO) 2. SOURCES OF NEUTRAL OXIDES (R2O3) Alumina (Al2O3) alumina hydrate (Al(OH)3) - feldspar, cornwall stone
(RO.Al2O3.6SiO2) - kaolin (Al2O3.2SiO2.ZH2O) - nepheline syenite (K2O.3Na2O.4Al2O3.9SiO2)
- plastic uitrox (RO.1.69Al2O3.14SiO2) - pyraphyllite (Al2O3.4SiO2.H2O) Boric Oxide (B2O3) used as a flux - boric acid (B2O3.2H2O) - borax (Na2O.2B2O3.10H2O)
- colemanite (gerstley borate) (2CaO.3B2O3.5H2O) Chromic Oxide (CR2O3) - colorant Red Iron Oxide (Fe2O3) - colorant 3. SOURCES OF ACID OXIDES (RO2) Silica, flint quartz (SiO2) - ball clay (Al2O3.2SiO2.2H2O) - kaolin (Al2O3.2SiO2.2H2O)
- soda feldspar (Na2O.Al2O3.6SiO2) - potash Feldspar (K2O.Al2O3.6SiO2)
- cornwall (R2O.Al2O3.9SiO2) Tin Oxide Opacifier (SnO2) Titanium Oxide - Opacifier and colorant - Titanium dioxide (TiO2) - rutile (TiO2) contains some iron and uanadium |