Optical glass, Chemistry

Optical glass: They contain phosphorous as replacement for most of all the silica and lead silicate, containing a little CaO2, the latter is capable of absorbing ultraviolet light which is injuries to eyes. Moreover, they are given through homogeneity. This is achieved by a very careful manufacturing process and by careful heating of molten mass of prolonged time. In, general, optical glasses have low melting points and are relatively soft. Their chemical resistance and durability are appreciably lower than those of ordinary glass. They are used for making lenses.

 

 

Posted Date: 7/21/2012 7:24:32 AM | Location : United States







Related Discussions:- Optical glass, Assignment Help, Ask Question on Optical glass, Get Answer, Expert's Help, Optical glass Discussions

Write discussion on Optical glass
Your posts are moderated
Related Questions
Organic Compounds - Organic Chemistry The term 'organic' signifies life. Hence, every molecule that was prepared directly or indirectly from living organisms, animals and plant

chemical properties with reactions of alkali metals

Physical charterstics of monocarboxylic acids            Physical state: The first or initial three members (upto 3 carbon atoms) are colourless, pungent smelling liquids.

Ammonia is a gas for which reliable analytical methods are available to explain concentration in other gases.  To measure ?ow in a 15 inch schedule 40 natural gas pipeline, pure am

How can i derive third law from nernst heat theorem

Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is

y LAH is strong reducing agent than NaBh4?

What are the Interfacial Defects  Grain boundaries are interfaces where crystals of dissimilar orientations meet. A grain boundary is a single-phase interface, with crystals on

Choose the best definition of temperature

Which of the following pairs of species has same electronic configuration: (1) Zn 2   and Ni 2+                              (2) Co +3  and  Ni 4    (3)  Co 2+   and Ni