Soft glass (the soft glasses). Call upon physical properties of glass at all. That is, the meat has a delicate glass, easily compared with other types of glass. In the trade to see material that is made with soft, such as glass, glass jug and glass phaenkrachok glass by glass, this can easily change the color of light to work such as glass containers for beverages, typically a brown or green or in the laboratory, it is used as a chemical reagent dispenser clear or colored, tea, etc. Soft glass found in the laboratory will be opened in Seoul, David glass (soda lime glass), soda (soda), sodium oxide (Na2O) means lime (lime) and calcium oxide (CaO) is the magnesium oxide (MgO) or. Best glass (glass) is a component of the silica SiO 2 is the main component. The materials used for this type of glass production is cheaper because of the temperature that is used in the production process is not very high. It's a long lifetime (except do fall break) In addition, it can be reused through the new recycling (recycle) is easy. Best quality of glass of this type is dependent on the chemical ingredients. CaO is generally found in 8-12 and 12-17% Na2O% out of a mixture of SiO2 glass with CaO, if so much during the production process, there are some glass structure will occur as crystals. If there is a mixture of CaO (Na2O is much) would make a good glass of moisture a chance to react with the water glass (soluble) Make a shorter lifetime. Aqueous solution of sodium silicate (sodium silicate) or glass made soluble in the solvent is water (water glass) are a mixture of very soluble in Na2O, glass is a liquid (liquid glass), and you can make a solid by removing water evaporation, which acts as the solvent out. The estimated components of the solution, sodium silica SiO2 gate is 14% 27%, NaOH (if there is no water in Na2O) and 59% water. The majority of glass found in the laboratory will be a light glass. Notice the simple view fonts installed on the glass. If there are words that Pyrex or Kimax, Duran is not soft glass. If you do not have a light glass category. So David glass-lime The student or students that study in the chemical laboratory. To find a basic lesson about glass blowing by a simple device that is used in the laboratory, such as tube, led tube, drip (dropper) gas. Vitro (test tube). Glass bar (stirring rod) into the glass is glass, light can bend or stretch the glass using heat from Ta BU (Bunsen burner), nasen? Companies that manufacture glass tubes for sale, such as Wheaton, or Friendrich&Dimmock, and Schott.
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