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Quality Control System

The raw materials, the finished goods, the equipments and methods of plant are subjected to some effective form of Quality Control.

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Composition of Gold Alloys

Gold jewelry is not pure gold, it is really an alloy, or mixture of metals. The purity or fineness of gold in the jewelry is indicated by its karat number.

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Gold Corrosion

Gold is a relatively inert metal and thus undergoes minimum corrosion.

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Types of high temperature corrosion in process plants
Common types of high temperature corrosion in process plants include:
  • Oxidation
  • Sulfidation
  • Chlorination
  • Nitridation
  • Metal dusting
  • Carburization
  • Green rot

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High temperature corrosion- involves in industries

High temperature corrosion is a phenomenon that occurs in components that operate at very high temperatures.

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Steelmaking

Steelmaking is any of various processes for making steel from pig iron, which is the second step in producing steel from iron ore.

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Production of iron from iron ore (hematite & magnetite)

Iron ores are rocks and minerals from which metallic iron can be economically extracted. It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3).

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Chemical process

In scientific sense, the chemical process is a method or means of somehow changing one or more chemicals or chemical compounds. In an engineering sense, the chemical process is a method intended to be used in manufacturing or on an industrial scale to change the composition of chemical(s) or material(s), usually using technology similar or related to that used in chemical plants or the chemical industry.

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Platinum Jewellery Alloys

There are some general purpose platinum alloys, but it is best to select one that is suited to casting, handworking or automated production, depending on which is predominant in fabricating the piece.

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Defining The Electrolytic Corrosion Problem, Corrosion Prevention & Coating of steel

The three main recognized factors of corrosion of underground installations are:

  • Soil acidity
  • Soil resistivity
  • Stray or induced currents
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The need for a system of quality standards

A system of quality standards is recommended to incorporate clinical outcome criteria, analytical outcome criteria, performance criteria for imprecision and inaccuracy, and analytical operating specifications.

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Brake disc corrosion protection and Replacing Brake discs & Pads

Cast iron tends to rust and cast iron brake discs of vehicles tend to rust if the vehicle is stored for an appreciable time before the vehicle is delivered to a customer, and this adversly affects braking performance and can necessitate replacement of the brake disc before use of the vehicle.

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Black powder problem in gas pipelines

Black powder is a solid contamination in finished product pipelines. It can cause a range of problems, including product contamination, erosion wear in compressor, instruments and filters plugging and equipment contamination for product consumer, erosion and sealing problems for valves, and flow reduction.

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The Corrosion Problem in industrial pipeline installations

In industrial pipe installations and any other pipe installations sensitive to atmospherical conditions, flange connections can be subject to corrosion and can require thorough maintenance on a regular basis.

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How to Cut the glass tubing

A simple and easy way to cut, or rather break off a piece of glass tube evenly is to make a cut all round the tube with a three-cornered file 92 and you can break it off at the line without trouble.

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