Glass Manufacture
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In our eReader you can find the full English version of the book. Read Glass Manufacture Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Glass Manufacture
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195 of sufficient purity. Added in this form, the manganese compound exerts a double action, the decomposition of the dioxide resulting in the liberation of oxygen within the mass of melting glass, and this oxygen itself exerts a favourable influence on the resulting colour of the glass, since it removes organic materials whose subsequent reducing action would be deleterious, and it also converts all iron compounds present into the more highly-oxidised (ferric) state in which their colouring ef...fects are less intense. The actual colouring effect of the manganese itself is, of course, afterwards developed, and produces the effects discussed above.
The "covering" of the greenish tints due to iron and other compounds is only possible when these are present in very small proportions. When larger quantities of these substances have been introduced into the glass the addition of manganese modifies the resulting colour, but is no longer able to neutralise it. A very large range of colours can be obtained by using various proportions of iron and manganese, the best-known of these being the warm brown tint known as "hock-bottle, " while all shades between this and the bright green of iron and the purple of manganese can be obtained by suitable mixtures.
What to read after Glass Manufacture?
You can find similar books in the "Read Also" column, or choose other free books by Walter Rosenhain to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
195 of sufficient purity. Added in this form, the manganese compound exerts a double action, the decomposition of the dioxide resulting in the liberation of oxygen within the mass of melting glass, and this oxygen itself exerts a favourable influence on the resulting colour of the glass, since it removes organic materials whose subsequent reducing action would be deleterious, and it also converts all iron compounds present into the more highly-oxidised (ferric) state in which their colouring ef...fects are less intense. The actual colouring effect of the manganese itself is, of course, afterwards developed, and produces the effects discussed above.
The "covering" of the greenish tints due to iron and other compounds is only possible when these are present in very small proportions. When larger quantities of these substances have been introduced into the glass the addition of manganese modifies the resulting colour, but is no longer able to neutralise it. A very large range of colours can be obtained by using various proportions of iron and manganese, the best-known of these being the warm brown tint known as "hock-bottle, " while all shades between this and the bright green of iron and the purple of manganese can be obtained by suitable mixtures.
What to read after Glass Manufacture?
You can find similar books in the "Read Also" column, or choose other free books by Walter Rosenhain to read onlineMoreLess
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