Search results for keyword: sulfides
Impurities in semiconductor materials
Impurities in Semiconductor Materials
Most materials show some level of differences when compared to the pure materials they were derived from. Such differences are known as impurities, which are defined as foreign substances in a material that are not part of the ideal composition. In semiconduc......
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Sophie
Sulfur salt minerals
内容
Sulfate Minerals
Sulfate minerals are those minerals containing an anion consisting of two oxygens and a sulfur atom, SO4-2. Important sulfate minerals include anhydrite (calcium sulfate), alunite (potassium aluminum sulfate), barite (barium sulfate), anglesite (lead sulfate), celestite (stro......
Lanthanum
Lanthanum is a chemical element with the symbols La and atomic number 57. It is a silvery-white metallic element that belongs to the lanthanide group of the periodic table. Lanthanum is often found in the form of its oxides and sulfides in rock deposits.
Lanthanum is a highly reactive element, an......
Bastnaesite
Fluorocarbon cerium mineral
Fluorocarbon cerium mineral (FCM) is an inorganic compound that can be found in the earth’s crust. It is classified as a rare earth mineral, which are minerals that contain unusually high levels of certain elements. These elements include cerium, lanthanum, neodymium......
Preparation of Molybdenum Compounds
Preparation of Molybdenum Compounds
Molybdenum compounds are a class of compounds which contain the element Molybdenum as part of their chemical structure. Molybdenum compounds are found in various forms such as oxides, sulfides, and nitrates, and they are used in a range of applications, from el......
Vanadium catalyst
Vanadium Catalysts
Vanadium is a transition metal in the periodic table with the atomic number of 23. Used as elemental form, vanadium appears as a soft, silvery-gray metal. It has many uses in everyday and industrial processes, including its use as an essential trace element for living creatures......
Introduction to Copper and Copper Alloys
copper and copper alloys
Copper and its alloys are some of the most versatile materials known to man and are used in a multitude of products, from kitchen sinks to facial implants, electrical wiring to jewellery. Throughout history, copper and its alloys have played an essential role in shaping o......
Silver extraction from tin anode slime
Xiyang Molybdenum Silver Extraction:
The extraction of molybdenum and silver from ore resources in Xiyang has been a controversial yet mainly profitable process over the past few years. This extraction includes a combination of different techniques and processes. The first step in this extractio......
Gold extraction by resin pulp method
The Gold Resin Adsorption Process
The gold resin adsorption process (GRAP) is a method used to extract gold from ore or concentrate. The process is based on the absorption of gold ions onto the resin. GRAP has a number of advantages over other methods of gold extraction. It is simpler, quicker an......
Copper resources
Copper Ore Resources
Copper ore resources are those that are mineralized in some form or other and can be mined for profit. Copper ore is one of the most widely used metals in the world and has been used for centuries in various forms ranging from jewelry to cookware. The presence of copper in it......
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