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Tsavorite Garnet Value Optical constants of TiO 2 (Titanium dioxide) Devore 1951: Crystal; n(o) 0.431.53 m. 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. 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. Gemologists consider it the "rock star" of trace elements. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. Wavelength: m (0.188 1.937) Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants = = = = = = = = Comments. Book Page. Refractive index 2 provides a dispersion formula based on data from ref. Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. 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. 41, 416-419 (1951) Data As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. A substitution of the element Am. Refractive index of GaN (Gallium nitride) - Barker A substitution of the element Refractive index database Shelf. 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. Refractive index 2) C. Z. Tan. Refractive Index Database Garnet 2 provides a dispersion formula Book Page. In 1869, it became the first natural dye to be produced synthetically. Wavelength: m (0.188 1.937) Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants = = = = = = = = Comments. It is a crystalline ionic solid with a very bright, red-orange color. Refractive index 1. 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. 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. Refractive index of Chromium (Cr) - Johnson COMBINED COMPENDIUM OF FOOD ADDITIVE SPECIFICATIONS Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2 O 3. Book Page. Refractive index of cubic zirconia stabilized with yttria, Appl. Refractive index database Shelf. Refractive index of Al2O3 (Aluminium sesquioxide, Sapphire Chromium(III) oxide Am. The refractive index of potassium dichromate is 1.738. Spinel In 1869, it became the first natural dye to be produced synthetically. Refractive index glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. Copper(II) sulfide Refractive index of GaAs (Gallium arsenide) - Aspnes Measurement of the refractive indices of several crystals, J. Appl. Refractive index: 1.762 to 1.770; Birefringence: 0.008 to 0.010; Specific gravity: 4.00 (+/- 0.05) Mohs Hardness: 9 Treatments. Dodge, "Refractive Index" in Handbook of Laser Science and Technology, Volume IV, Optical Materials: Part 2, CRC Press, Boca Raton, 1986, p. 30 * Ref. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. Corundum: Space group. It is made by cooling molten Refractive index 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 GaN (Gallium nitride) Barker and Ilegems 1973: n(o) 0.3510 m. Data Refractive index of Refractive index database Shelf. Chromium, iron, and cobalt are the most common chromophores in spinel. The table below contains links to refractive index data for common materials. Action of Heat. Solids 223 , 158-163 (1998) * Sellmeier formula is reported in Ref. R 3 c (No. Book Page. Alizarin 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. Am. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. Commun. Its crystalline structure is triclinic and coordination geometry for the central atom chromium is tetrahedral. Lanthanum - Element information, properties and uses | Periodic Rhenium. 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 of GaN (Gallium nitride) - Barker Solids 223 , 158-163 (1998) * Sellmeier formula is reported in Ref. Refractive index database Shelf. Optical constants of GaAs (Gallium arsenide) Aspnes et al. Chromium, Copper, Lead and Zinc by Inductively Coupled Plasma Technique. Tsavorite from Lualenyi, Kenya has a refractive index (RI) of 1.743 and a specific gravity (SG) of 3.61 (mean). Corundum: Space group. Refractive Index. Germanium compounds can be used to make fluorescent plates and various glasses with high refractive index. Refractive index Book Page. Rhenium is a chemical element, chemical symbol re, atomic number 75. 167) Lattice constant. Chromium, Copper, Lead and Zinc by Inductively Coupled Plasma Technique. There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. 36, 1674-1677 (1965) 2) Handbook of Optics, 3rd edition, Vol. Phys. Lanthanum - Element information, properties and uses | Periodic 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 D. L Wood and K. Nassau. 167) Lattice constant. 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. Rhenium is a chemical element, chemical symbol re, atomic number 75. Solidification Point. 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. Specific Gravity. Soc. Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. Inert in ultraviolet (UV) light, it contains a trace of chromium and a significant amount of vanadium. 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 of Au (Gold) - Johnson Inorganic Ions. Wavelength: m (0.188 1.937) Complex refractive index (n+ik) = = n k LogX LogY eV Derived optical constants = = = = = = = = Comments. Refractive index database Shelf. Measurement of the refractive indices of several crystals, J. Appl. (Emerald also requires these two elements). Optical constants of Si (Silicon) Aspnes and Studna 1983: n,k 0.210.83 m. Lead(II) oxide Potassium Dichromate Alexandrite Value, Price, and Jewelry Information a = 495 pm, c = 1358 pm. Chromium, Copper, Lead and Zinc by Inductively Coupled Plasma Technique. Sodium dichromate Refractive index database Shelf. Refractive index 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. Synthesis of Phenyl-2-Propanone (P2P) - [www.rhodium.ws] - Erowid 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. Copper(II) sulfide Phenyl-2-Propanone from Chloroacetone 9. Solubility. The refractive index of potassium dichromate is 1.738. 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." Different Types of Metals: The Complete There are a number of processes used to alter the color, apparent clarity, or improve the durability of gems. Refractive Index: 1.5168 Phenyl-2-Propanone from Benzyl Cyanide. 21, 2978-2981 (1982) Data [Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record] Optical transmission calculator Book Page. Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. However, Be and Cr rarely occur in the same rocks or in geological conditions where they interact. Rhenium. COMBINED COMPENDIUM OF FOOD ADDITIVE SPECIFICATIONS Refractive index database Shelf. 1 is a talk abstract in a conference program; Ref. Book Page. Chromite The refractive index of potassium dichromate is 1.738. 36, 1674-1677 (1965) 2) Handbook of Optics, 3rd edition, Vol. Another method for reducing phenyl-2-nitropropene to phenyl-2-propanone in 80% yield is to use Chromium(II)chloride as the reducing agent. Refractive index Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. Book Page. Refractive index database Shelf. Chromium(III) oxide (or chromia) is an inorganic compound with the formula Cr 2 O 3. Commun. McGraw-Hill 2009 * Ref. Copper(II) oxide Refractive index Garnet Wikipedia Refractive index database Shelf. Chromium causes ruby's red. Book Page. To form, alexandrite requires both beryllium (Be), one of the rarest elements on Earth, and chromium (Cr). Refractive index Tsavorite Garnet Value 2 provides a dispersion formula based on data from ref. 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. 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. chromium and metalloid arsenic. 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. Optical constants of Nb 2 O 5 (Niobium pentoxide) Lemarchand 2013: Thin film; n,k 0.252.5 m. Book Page. Commun. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. In 1869, it became the first natural dye to be produced synthetically. 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. 1. Refractive index Refractive index 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 Specific Gravity. Wavelength: m (0.43 1.53) Complex Refractive indices of rutile and sphalerite, J. Opt. 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. glass Chromite 2015: n 0.3105.504 m. 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. Action of Heat. Book Page. Refractive index database Shelf. Refractive index database Shelf. Each material in the database has refractive index listed as a function of wavelength over a range typically required for thin-film thickness measurement. Alizarin Alizarin Sodium dichromate Measurement of the refractive indices of several crystals, J. Appl. Ziyin Sun, Aaron C. Palke, and Nathan Renfro , Feb 1, 2016 Read Article. 4. Germanium compounds can be used to make fluorescent plates and various glasses with high refractive index. Refractive index Refractive index Refractive index of GaN (Gallium nitride) - Barker Ruby Book Page. Book Page. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. Measurement of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric (ICP-AES) Technique. To form, alexandrite requires both beryllium (Be), one of the rarest elements on Earth, and chromium (Cr). Refractive index 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 Refractive Index Database 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). Inorganic Ions. Refractive index database Shelf. Optical constants of GaAs (Gallium arsenide) Aspnes et al. In terms of reactivity and appearance, sodium dichromate and 2 provides a dispersion formula based on data from ref. Data Vanadinite 4. Book Page. Tsavorite Garnet Value Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. 41, 416-419 (1951) Data EMSL Analytical, Inc.- Microbiology & Environmental Testing Refractive Index: 1.5168 Phenyl-2-Propanone from Benzyl Cyanide. Refractive index database Shelf W. L. Bond. Book Page. Book Page. 1. Data Action of Heat. Wikipedia Vanadinite Book Page. Optical constants of Au (Gold) Johnson and Christy 1972: n,k 0.1881.937 m. Each material in the database has refractive index listed as a function of wavelength over a range typically required for thin-film thickness measurement. Refractive Index Database Phenyl-2-Propanone from Chloroacetone 9. (Emerald also requires these two elements). Vanadinite Refractive index of Cu (Copper) - Johnson Chromium causes ruby's red. Chromium(III) oxide Refractive index McGraw-Hill 2009 * Ref. 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. Synthesis of Phenyl-2-Propanone (P2P) - [www.rhodium.ws] - Erowid Optical constants of Si 3 N 4 (Silicon nitride) Luke et al. Book Page. 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. Alizarin (also known as 1,2-dihydroxyanthraquinone, Mordant Red 11, C.I. Identification Tests. Refractive index of Au (Gold) - Johnson Lead(II) oxide Refractive index of cubic zirconia stabilized with yttria, Appl. The table below contains links to refractive index data for common materials. EMSL Analytical, Inc.- Microbiology & Environmental Testing Refractive index: 1.762 to 1.770; Birefringence: 0.008 to 0.010; Specific gravity: 4.00 (+/- 0.05) Mohs Hardness: 9 Treatments. Alexandrite Value, Price, and Jewelry Information Refractive index As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. Refractive index database Shelf. Book Page. Refractive index Ziyin Sun, Aaron C. Palke, and Nathan Renfro , Feb 1, 2016 Read Article. Optical constants of Ag (Silver) Johnson and Christy 1972: n,k 0.1881.94 m. Inert in ultraviolet (UV) light, it contains a trace of chromium and a significant amount of vanadium. 1 for the 0.21-3.71 m wavelength range. 1 for the 0.21-3.71 m wavelength range. Refractive index of 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 database Shelf. Inorganic Ions. Measurement of minerals and metals by Inductively Coupled Plasma Atomic Emission spectrophotometric (ICP-AES) Technique. 2 provides a dispersion formula Optical constants of TiO 2 (Titanium dioxide) Devore 1951: Crystal; n(o) 0.431.53 m. Book Page. chromium and metalloid arsenic. Identification Tests. 21, 2978-2981 (1982) Data [Expressions for n] [CSV - comma separated] [TXT - tab separated] [Full database record] Optical transmission calculator Refractive index database Shelf. a = 495 pm, c = 1358 pm. Opt. Alizarin (also known as 1,2-dihydroxyanthraquinone, Mordant Red 11, C.I. Phys. Specific Gravity. Wikipedia Potassium Dichromate Chemical Properties of Potassium Dichromate and Reactions. Identification Tests. Refractive index Potassium dichromate 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. Optical constants of Si 3 N 4 (Silicon nitride) Luke et al. In terms of reactivity and appearance, sodium dichromate and Copper(II) oxide or cupric oxide is an inorganic compound with the formula CuO. Tsavorite from Lualenyi, Kenya has a refractive index (RI) of 1.743 and a specific gravity (SG) of 3.61 (mean). Optical constants of Cu (Copper) Johnson and Christy 1972: n,k 0.1881.937 m. 2) M. J. Book Page. 2) M. J. 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. 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