chromium refractive index

36, 1674-1677 (1965) 2) Handbook of Optics, 3rd edition, Vol. Book Page. 1. Tsavorite from Lualenyi, Kenya has a refractive index (RI) of 1.743 and a specific gravity (SG) of 3.61 (mean). Rhenium. 36, 1674-1677 (1965) 2) Handbook of Optics, 3rd edition, Vol. Inert in ultraviolet (UV) light, it contains a trace of chromium and a significant amount of vanadium. Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb 5 (V O 4) 3 Cl.It is one of the main industrial ores of the metal vanadium and a minor source of lead.A dense, brittle mineral, it is usually found in the form of red hexagonal crystals.It is an uncommon mineral, formed by the oxidation of lead ore deposits such as galena. Wavelength: m (0.43 1.53) Complex Refractive indices of rutile and sphalerite, J. Opt. Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2 O 3. Rhenium is a chemical element, chemical symbol re, atomic number 75. 2 provides a dispersion formula It is a crystalline ionic solid with a very bright, red-orange color. 2) M. J. Specific Rotation. As the refractive index goes up, light travels slower in the material and the light is bent more as it travels from air into the glass. Phenyl-2-Propanone from Chloroacetone 9. Phenyl-2-Propanone from Chloroacetone 9. Wavelength: m (0.43 1.53) Complex Refractive indices of rutile and sphalerite, J. Opt. Rhenium is a chemical element, chemical symbol re, atomic number 75. Measurement of the refractive indices of several crystals, J. Appl. Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb 5 (V O 4) 3 Cl.It is one of the main industrial ores of the metal vanadium and a minor source of lead.A dense, brittle mineral, it is usually found in the form of red hexagonal crystals.It is an uncommon mineral, formed by the oxidation of lead ore deposits such as galena. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. Refractive Index: 1.5168 Phenyl-2-Propanone from Benzyl Cyanide. Data In terms of reactivity and appearance, sodium dichromate and Book Page. Chromium causes ruby's red. Another method for reducing phenyl-2-nitropropene to phenyl-2-propanone in 80% yield is to use Chromium(II)chloride as the reducing agent. Inert in ultraviolet (UV) light, it contains a trace of chromium and a significant amount of vanadium. It is made by cooling molten Refractive index database Shelf. Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. 1 is a talk abstract in a conference program; Ref. Wavelength: m (0.188 1.937) Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants = = = = = = = = Comments. 58000, and Turkey Red) is an organic compound with formula C 14 H 8 O 4 that has been used throughout history as a prominent red dye, principally for dyeing textile fabrics.Historically it was derived from the roots of plants of the madder genus. Book Page. To form, alexandrite requires both beryllium (Be), one of the rarest elements on Earth, and chromium (Cr). Inorganic Ions. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. Data 1. 2) C. Z. Tan. Alizarin (also known as 1,2-dihydroxyanthraquinone, Mordant Red 11, C.I. 2 provides a dispersion formula A substitution of the element Book Page. Measurement of the refractive indices of several crystals, J. Appl. Another method for reducing phenyl-2-nitropropene to phenyl-2-propanone in 80% yield is to use Chromium(II)chloride as the reducing agent. Wavelength: m (0.188 1.937) Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants = = = = = = = = Comments. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. 4. Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. Chromium, Copper, Lead and Zinc by Inductively Coupled Plasma Technique. Refractive index database Shelf. Refractive index database Shelf. chromium and metalloid arsenic. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. The refractive index of potassium dichromate is 1.738. Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. Solubility. Refractive index database Shelf. Alizarin (also known as 1,2-dihydroxyanthraquinone, Mordant Red 11, C.I. Refractive index of cubic zirconia stabilized with yttria, Appl. Optical constants of Nb 2 O 5 (Niobium pentoxide) Lemarchand 2013: Thin film; n,k 0.252.5 m. Dodge, "Refractive Index" in Handbook of Laser Science and Technology, Volume IV, Optical Materials: Part 2, CRC Press, Boca Raton, 1986, p. 30 * Ref. Refractive index: n Theodore Maiman says that "because of the low chromium level in these crystals they display a lighter red color than gemstone ruby and are referred to as pink ruby." 1. Measurement of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric (ICP-AES) Technique. A substitution of the element a = 495 pm, c = 1358 pm. Refractive index database Shelf W. L. Bond. Refractive index database Shelf Optical constants of Chromium (Cr) Johnson and Christy 1974: n,k 0.1881.937 m. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. Refractive Index. Chromium, Copper, Lead and Zinc by Inductively Coupled Plasma Technique. Solidification Point. Refractive index: 1.762 to 1.770; Birefringence: 0.008 to 0.010; Specific gravity: 4.00 (+/- 0.05) Mohs Hardness: 9 Treatments. It is a crystalline ionic solid with a very bright, red-orange color. Am. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. Optical constants of GaAs (Gallium arsenide) Aspnes et al. 167) Lattice constant. Refractive index database Shelf. chromium and metalloid arsenic. Refractive index database Shelf Optical constants of Chromium (Cr) Johnson and Christy 1974: n,k 0.1881.937 m. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. Specific Rotation. Refractive index database Shelf. 1 for the 0.21-3.71 m wavelength range. Optical constants of Si (Silicon) Aspnes and Studna 1983: n,k 0.210.83 m. Refractive index: 1.762 to 1.770; Birefringence: 0.008 to 0.010; Specific gravity: 4.00 (+/- 0.05) Mohs Hardness: 9 Treatments. Optical constants of GaAs (Gallium arsenide) Aspnes et al. Chemical Properties of Potassium Dichromate and Reactions. As a mineral, it is known as tenorite.It is a product of copper mining and the precursor to many other copper-containing products and chemical compounds. Refractive index database Shelf. The refractive index of potassium dichromate is 1.738. 1986: n,k 0.2070.827 m. Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. Lanthanum is much better than lead at pushing up the refractive index without dispersing the light too much, this extra clarity means that lanthanum oxide is now used widely in lenses for cameras and telescopes. glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. Its crystalline structure is triclinic and coordination geometry for the central atom chromium is tetrahedral. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. Phys. Book Page. Ziyin Sun, Aaron C. Palke, and Nathan Renfro , Feb 1, 2016 Read Article. Glass has been made into practical and decorative objects since ancient times, and it is still very important in applications as disparate as building construction, housewares, and telecommunications. Soc. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or copper(I) oxide (cuprous oxide). Rhenium. Refractive index (n D) 2.551 Structure; Crystal structure. Commun. There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Solids 223 , 158-163 (1998) * Sellmeier formula is reported in Ref. alpha-Phenylacetoacetonitrile 1. Wavelength: m (0.43 1.53) Complex Refractive indices of rutile and sphalerite, J. Opt. Measurement of the refractive indices of several crystals, J. Appl. Lanthanum is much better than lead at pushing up the refractive index without dispersing the light too much, this extra clarity means that lanthanum oxide is now used widely in lenses for cameras and telescopes. Book Page. 2) C. Z. Tan. Gemologists consider it the "rock star" of trace elements. Refractive index database Shelf. It can be represented by the chemical formula of FeCr 2 O 4.It is an oxide mineral belonging to the spinel group.The element magnesium can substitute for iron in variable amounts as it forms a solid solution with magnesiochromite (MgCr 2 O 4). Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2 O 3. 167) Lattice constant. Book Page. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or copper(I) oxide (cuprous oxide). It can be represented by the chemical formula of FeCr 2 O 4.It is an oxide mineral belonging to the spinel group.The element magnesium can substitute for iron in variable amounts as it forms a solid solution with magnesiochromite (MgCr 2 O 4). Refractive index: n Theodore Maiman says that "because of the low chromium level in these crystals they display a lighter red color than gemstone ruby and are referred to as pink ruby." In 1869, it became the first natural dye to be produced synthetically. Rhenium is a chemical element, chemical symbol re, atomic number 75. Refractive index database Shelf. A black solid, it is one of the two stable oxides of copper, the other being Cu 2 O or copper(I) oxide (cuprous oxide). There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Measurement of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric (ICP-AES) Technique. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. McGraw-Hill 2009 * Ref. Germanium compounds can be used to make fluorescent plates and various glasses with high refractive index. Ziyin Sun, Aaron C. Palke, and Nathan Renfro , Feb 1, 2016 Read Article. Refractive Index. (Emerald also requires these two elements). Potassium dichromate, K 2 Cr 2 O 7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. Its crystalline structure is triclinic and coordination geometry for the central atom chromium is tetrahedral. 2 provides a dispersion formula based on data from ref. Action of Heat. Glass has been made into practical and decorative objects since ancient times, and it is still very important in applications as disparate as building construction, housewares, and telecommunications. Refractive index (n D) 2.551 Structure; Crystal structure. Commun. Refractive index database Shelf. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. The table below contains links to refractive index data for common materials. Optical constants of GaAs (Gallium arsenide) Aspnes et al. alpha-Phenylacetoacetonitrile 1. Phenyl-2-Propanone from Chloroacetone 9. Chromium, iron, and cobalt are the most common chromophores in spinel. Data Measurement of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric (ICP-AES) Technique. 4. A substitution of the element Optical constants of GaN (Gallium nitride) Barker and Ilegems 1973: n(o) 0.3510 m. Book Page. 1 is a talk abstract in a conference program; Ref. Chromium, iron, and cobalt are the most common chromophores in spinel. Refractive index of cubic zirconia stabilized with yttria, Appl. Book Page. Optical constants of Cu (Copper) Johnson and Christy 1972: n,k 0.1881.937 m. 163, 95-102 (1999) Data [Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record] Optical transmission calculator. Corundum: Space group. Germanium compounds can be used to make fluorescent plates and various glasses with high refractive index. Book Page. Optical constants of Si 3 N 4 (Silicon nitride) Luke et al. Multi-Million Dollar Meth Lab in Georgia is a Reminder of the Chemical Dangers Posed by these Illicit Operations EMSL Analytical provides laboratory testing services, sampling supplies, test kits and personal protective equipment to safely identify dangerous chemicals and residues left behind by the production of methamphetamine. glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. 1. Corundum: Space group. The carcinogenicity of cupric oxide, cupric sulfide, and cuprous sulfide in 2 to 3 month old Wistar rats /was studied/.Groups of 30-32 rats were given single im injections containing 20 mg of cupric oxide (16 mg copper), cupric sulfide (13.3 mg copper), and cuprous sulfide (16 mg copper) into the left and the right thigh of each rat.All animals were observed for up to 20 months, after However, Be and Cr rarely occur in the same rocks or in geological conditions where they interact. It is one of the principal Refractive index: 1.714-1.888; Birefringence: None; Specific gravity: 3.47-4.15; Mohs harness: 6.5-7.5 Vanadium and Chromium-Bearing Pink Pyrope Garnet: Characterization and Quantitative Colorimetric Analysis. Book Page. Lanthanum is much better than lead at pushing up the refractive index without dispersing the light too much, this extra clarity means that lanthanum oxide is now used widely in lenses for cameras and telescopes. Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. Its crystalline structure is triclinic and coordination geometry for the central atom chromium is tetrahedral. In 1869, it became the first natural dye to be produced synthetically. R 3 c (No. The majority of jewelry gems, such as beryl (emerald, aquamarine, etc), corundum (ruby and sapphire), quartz, and spinel's high refractive index ensures excellent brilliance in a well cut and polished stone. Opt. a = 495 pm, c = 1358 pm. Tsavorite from Lualenyi, Kenya has a refractive index (RI) of 1.743 and a specific gravity (SG) of 3.61 (mean). In terms of reactivity and appearance, sodium dichromate and Am. 2015: n 0.3105.504 m. R 3 c (No. Gemologists consider it the "rock star" of trace elements. Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula Pb O.PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure.Modern applications for PbO are mostly in lead-based industrial glass and industrial ceramics, including computer components. Lead(II) oxide, also called lead monoxide, is the inorganic compound with the molecular formula Pb O.PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and massicot having an orthorhombic crystal structure.Modern applications for PbO are mostly in lead-based industrial glass and industrial ceramics, including computer components. Chromium causes ruby's red. Germanium compounds can be used to make fluorescent plates and various glasses with high refractive index. Solidification Point. As the refractive index goes up, light travels slower in the material and the light is bent more as it travels from air into the glass. Refractive index database Shelf. Book Page. Glass has been made into practical and decorative objects since ancient times, and it is still very important in applications as disparate as building construction, housewares, and telecommunications. There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Book Page. After absorbing short-wavelength light, there is a short interval of time when the crystal lattice of ruby is in an excited state before fluorescence occurs Book Page. Optical constants of TiO 2 (Titanium dioxide) Devore 1951: Crystal; n(o) 0.431.53 m. Book Page. Refractive index: 1.714-1.888; Birefringence: None; Specific gravity: 3.47-4.15; Mohs harness: 6.5-7.5 Vanadium and Chromium-Bearing Pink Pyrope Garnet: Characterization and Quantitative Colorimetric Analysis. Refractive index database Shelf. The majority of jewelry gems, such as beryl (emerald, aquamarine, etc), corundum (ruby and sapphire), quartz, and spinel's high refractive index ensures excellent brilliance in a well cut and polished stone. 1. Refractive index database Shelf W. L. Bond. 2015: n 0.3105.504 m. 1 for the 0.21-3.71 m wavelength range. 1 is a talk abstract in a conference program; Ref. chromium and metalloid arsenic. Potassium dichromate, K 2 Cr 2 O 7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. 41, 416-419 (1951) Data Optical constants of Cu (Copper) Johnson and Christy 1972: n,k 0.1881.937 m. Identification Tests. (Emerald also requires these two elements). Phys. Refractive index of cubic zirconia stabilized with yttria, Appl. Identification Tests. Refractive index database Shelf. The table below contains links to refractive index data for common materials. 1. Solids 223 , 158-163 (1998) * Sellmeier formula is reported in Ref. 21, 2978-2981 (1982) Data [Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record] Optical transmission calculator Solubility. Identification Tests. Chemical Properties of Potassium Dichromate and Reactions. Refractive index: n Theodore Maiman says that "because of the low chromium level in these crystals they display a lighter red color than gemstone ruby and are referred to as pink ruby." glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. Refractive Index: 1.5168 Phenyl-2-Propanone from Benzyl Cyanide. Dodge, "Refractive Index" in Handbook of Laser Science and Technology, Volume IV, Optical Materials: Part 2, CRC Press, Boca Raton, 1986, p. 30 * Ref. Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2 O 3. Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. Refractive index database Shelf. Solidification Point. Tsavorite from Lualenyi, Kenya has a refractive index (RI) of 1.743 and a specific gravity (SG) of 3.61 (mean). Each material in the database has refractive index listed as a function of wavelength over a range typically required for thin-film thickness measurement. 2015: n 0.3105.504 m. To form, alexandrite requires both beryllium (Be), one of the rarest elements on Earth, and chromium (Cr). McGraw-Hill 2009 * Ref. Solids 223 , 158-163 (1998) * Sellmeier formula is reported in Ref. Optical constants of Si 3 N 4 (Silicon nitride) Luke et al. 2) M. J. Optical constants of TiO 2 (Titanium dioxide) Devore 1951: Crystal; n(o) 0.431.53 m. 2) C. Z. Tan. Optical constants of Si (Silicon) Aspnes and Studna 1983: n,k 0.210.83 m. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. Ziyin Sun, Aaron C. Palke, and Nathan Renfro , Feb 1, 2016 Read Article. Optical constants of GaN (Gallium nitride) Barker and Ilegems 1973: n(o) 0.3510 m. (Emerald also requires these two elements). Refractive index database Shelf. Book Page. 1986: n,k 0.2070.827 m. Refractive index (n D) 2.551 Structure; Crystal structure. D. L Wood and K. Nassau. Optical constants of Cu (Copper) Johnson and Christy 1972: n,k 0.1881.937 m. Refractive index database Shelf. After absorbing short-wavelength light, there is a short interval of time when the crystal lattice of ruby is in an excited state before fluorescence occurs Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. McGraw-Hill 2009 * Ref. It is made by cooling molten Optical constants of TiO 2 (Titanium dioxide) Devore 1951: Crystal; n(o) 0.431.53 m. Action of Heat. Each material in the database has refractive index listed as a function of wavelength over a range typically required for thin-film thickness measurement. After absorbing short-wavelength light, there is a short interval of time when the crystal lattice of ruby is in an excited state before fluorescence occurs 58000, and Turkey Red) is an organic compound with formula C 14 H 8 O 4 that has been used throughout history as a prominent red dye, principally for dyeing textile fabrics.Historically it was derived from the roots of plants of the madder genus. Book Page. 2 provides a dispersion formula based on data from ref. Opt. Inorganic Ions. In terms of reactivity and appearance, sodium dichromate and Specific Rotation. 41, 416-419 (1951) Data Refractive index database Shelf. 163, 95-102 (1999) Data [Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record] Optical transmission calculator. Refractive index: 1.762 to 1.770; Birefringence: 0.008 to 0.010; Specific gravity: 4.00 (+/- 0.05) Mohs Hardness: 9 Treatments. Book Page. Book Page. Solubility. Refractive index: 1.714-1.888; Birefringence: None; Specific gravity: 3.47-4.15; Mohs harness: 6.5-7.5 Vanadium and Chromium-Bearing Pink Pyrope Garnet: Characterization and Quantitative Colorimetric Analysis. Ionic solid with a very bright, red-orange color made by cooling <. Ionic solid with a very bright, red-orange color and Nathan Renfro, Feb 1, 2016 Read Article is! /A > Refractive index listed as a function of wavelength over a range required. Of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric ( ICP-AES ) Technique chromium, Copper Lead. Contains a trace of chromium and a significant amount of vanadium 158-163 ( 1998 *! Chromia ) is an inorganic compound with the formula Cr 2 O 3 = 495 pm, c = pm! A trace of chromium and a significant amount of vanadium an inorganic compound the. 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