1 edition of colour of soda-lime-silica glasses containing iron oxide and manganese oxide found in the catalog.
colour of soda-lime-silica glasses containing iron oxide and manganese oxide
by Dept. of Glass Technology, University of Sheffield in Sheffield
Written in English
Reprinted from the Transactions of the Society of Glass Technology, vol.24.
|Statement||by A. Lawton, A.J. Holland and W.E.S. Turner.|
|Series||Publications of the Department of Glass Technology -- no.423|
|Contributions||Turner, W. E. S., Lawton, A., Holland, Arnold Joseph.|
|The Physical Object|
|Number of Pages||20|
Full text of "A_Text-Book_Of_Inorganic_Chemistry_Vol-VI_Part_IV" See other formats. Obsidian, for instance, is a naturally occurring combination of oxides fused by intense volcanic heat and vitrified (made into a glass) by rapid air cooling. Its opaque, black colour comes from the relatively high amounts of iron oxide it contains. Its chemical durability and hardness compare favourably with many commercial glasses.
New glass pastes called smalti were created with much wider ranging shades of colour and there was an increase in production from a few hundred, to several thousand different hues. In the eighteenth century the Vatican glass workshop carried out a research programme, which led to the production of tesserae in an almost unlimited colour range. Most inorganic glass is used in construction, in particular, sheet glass, and the manufacture of containers. This type of glass is based on silicon dioxide (soda-lime-silica glass); other oxide types of glass, whose composition includes oxides of phosphorus, aluminum, boron, and other elements, also find application.
You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. The book examines why and how this unique material was invented some 4, years ago and considers the ritual, social, economic, and political contexts of its development. The book also provides an in-depth consideration of glass as a material, the raw materials used to make it, and its wide range of chemical compositions in both the East and Cited by:
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Manganese dioxide (MnO 2), which gives glass a purple colour, may be added to remove the green tint given by FeO. FeO and chromium(III) oxide (Cr 2 O 3) additives are used in the production of green bottles. Iron (III) oxide, on the other-hand, produces yellow or yellow-brown glass. The Colour of Soda-Lime-Silica Glasses Containing Iron Oxide and Manganese Oxide JSGT_V24_TT The Colour of Soda-Lime-Silica Glasses Containing Iron Oxide and Manganese Oxide A.
Lawton, The optical absorption due to Mn 3+, Cu 2+, Ni 2+ and Co 2+ ions in industrial soda-lime-silica glass was investigated as a function of the Na 2 O concentration in the range of mol%. Industrial glass - Industrial glass - Properties of glass: At ordinary temperatures, glass is a nearly perfect elastic solid, an excellent thermal and electrical insulator, and very resistant to many corrosive media.
(Its optical properties, however, vary greatly, depending on the light wavelengths employed.) The more or less random order of atoms is ultimately responsible for many of the. Reaction equilibrium constants for the sulfate decomposition process, which releases oxygen and sulfur oxide gas in soda–lime–silica glass melts, have been determined.
Some of the use of soda-lime glass is primarily used for bottles, jars, everyday drinking glasses, and window glass. Lead glass: Lead glass is composed of % SiO2, % lead oxide (PbO), % soda (Na2O) or potash (K2), and various other oxides.
When the content of PbO is less than 18% is known as crystal glass. Spectrophotometric Determination of Iron Purpose To become familiar with the principles of calorimetric analysis and to determine the iron content of an unknown sample.
Summary Iron +II is reacted with o-phenanthroline to form a coloured complex ion. The intensity of the coloured species is measured using a Spectronic Size: 1MB. Soda lime silicate glasses are the perfect matrix for embedding and stabilizing metallic, magnetic, and oxide nanoparticles.
We emphasize here that silicate glasses are also perfectly suited for studying growth and crystallization mechanisms of nanoparticles under in situ and ex situ conditions with the methods of small angle neutron scattering.
The enamels were made following the Venetian tradition: lead–tin calx added to a soda–lime–silica glass for white and opaque blue, turquoise and red, using as colourants oxidized copper dissolved in an opaque glass matrix for turquoise, copper dissolved in a high lead glass containing yellow particles of tin stannate for green, iron oxide Cited by: 9.
One of these is associated with the sharper absorption bands of iron oxide in the ultraviolet and infrared in phosphate glasses compared with silicate glasses. Iron containing phosphate glasses are therefore nearly transparent to visible light enabling the manufacture of virtually clear heat absorbing glasses containing several percent iron oxide.
Dimitrov, T. Komatsu: An interpretation of optical properties of oxides and oxide glasses in terms of the electronic ion polarizability and average Amber chromophore formation in sulphur- and iron-containing soda-lime-silica glasses, Glass Sci. Technol.
76 Zinc and manganese borate glasses – phase separation Author: Dominique de Ligny, Doris Möncke. A glass composition for chemical tempering includes oxides in wt% ranges of: SiO2 60 to 75; Al2O3 18 to 28; Li2O 3 to 9; Na2O 0 to 3; K2O 0 to ; CaO 0 to 3; MgO 0 to 3; ZrO2 0 to 3; where MgO + CaO is 0 to 6 wt%; Al2O3 + ZrO2 is 18 to 28 wt%, and Na2O + K2O is to wt%.
The glass has a log 10 viscosity temperature in the temperature range of DEG F (DEG C) to DEG F (DEG Cited by: After silica, the many “soda-lime” glasses have as their primary constituents soda, or sodium oxide (Na 2 O; usually derived from sodium carbonate, or soda ash), and lime, or calcium oxide (CaO; commonly derived from roasted limestone).To this basic formula other ingredients may be added in order to obtain varying properties.
oxides/elements found in these archaeological glasses, with two amendments. Firstly, it is known that small amounts of aluminium oxide are difficult to quantity accurately in silicates using the ISIS system so an additional internal gain correction was carried out on the position of the silicon peak.
Secondly. Multivalent metal oxides were used. Iron, copper, manganese and cobalt were especially useful. As noted, manganese, that was a trace element in the wood ash, would give a range of yellow to brown colors.
When manganese was added to glass containing trace amounts of iron, the manganese removed the blue-green color and made the glass clearer. Zirkelbach, R. Brueckner: “Spectroscopic investigations of barium alu-minophosphate glasses containing vanadium, iron and manganese oxides”, Glastechn.
The sophisticated colors of medieval glasses arise from their transition metal (TM) impurities and capture information about ancient glassmaking techniques. Beyond the glass chemical composition, the TM redox is also a key factor in the glass color, but its quantification without any sampling is a challenge.
We report a combination of nondestructive and noninvasive quantitative analyses of the Cited by: 4. • Most of the sands cannot be used as they contain many colouring oxides especially iron oxides.
• Sand containing even % Iron oxides cannot be used as it gives glass a greenish tint. • Natural sources for sand containing – % iron oxide for the production of special technical glasses are very rare. EAF accounts for perhaps 30% of the total output.
Corrosion and other potential defects Atmospheric corrosion When exposed to moisture and oxygen, steel, being a ferrous material (containing iron) converts to hydrated iron oxide in the form of rust. Since the second century bc, manganese has been used to produce a colourless glass by oxidizing the iron impurities that might otherwise impart a green colour .
However, the use of manganese in this sample of opaque blue copper-containing glass is surprising as its deliberate addition would presumably not have been with the aim of producing. L'ordre à courte distance dans les verres peut être étudié par différentes spectroscopies, sensibles soit à des facteurs géométriques (coordinance, distance métal-oxygène) soit de nature plus chimique (degré d'oxydation, covalence métal-oxygène).
Nous présentons les résultats obtenus principalement sur les verres silicatés, concernant les différents types de composants Cited by: The color is produced by adding a metallic oxide to the raw Supply Chain Management in Fragile Industry materials. Copper oxide, under different conditions, produces ruby, blue, or green colors in glass.
Cobalt is usually used to produce most shades of blues. Green shades can also be obtained from the addition of chromium and iron oxide.The colour of glass could be affected by many factors. Sources of silica were often impure, with iron oxide being one of the most common impurities.
The greenish hue of uncoloured glass is usually owing to the presence of a mixture of ferrous (Fe 2+) and ferric (Fe 3+) ions in the glass is also possible that ‘impurities’ could be introduced at the fritting stage within the glass.