Bright dipping

Chromium compounds are used in etching and bright-dipping of copper and its alloys. A typical composition for the removal of scale after heat-treating contains 30 g/L Na2Cr20y 2H2O and 240 mL/L concentrated H2SO4. It is used at 50—60°C. 

Tankwater, Bright dip acid (phosphoric), Cyanide rinse hath, Pickle Liquor, Sodium AJuminate Liquor, N.S.S.C. Liquor, Kraft Liquor, Soda Liquor, Sulfite Liquor, Stillage, Corn Syrup, Gelatin, Salt, Soybean Oil, Steepwater, Sugar, Whey, Mercerizing Caustic, Nylon Salt, Rayon Spin Bath, and Sodium Sulfate. 

Chemical polishing, yielding a surface of high specular reflectivity, exploits fully optimised bright dip solutions often achieved by the further addition of phosphoric acid at the expense of the residual water. Because phosphoric acid is relatively viscous at lower temperatures (e.g. less than 40°C) it can act as diffusion layer promoter (C), but its presence increases the chemical costs considerably. 

Chromic acid pickles, deoxidizers, and bright dips Chrome-based antitarnish... 

Rosheene. [McGean-Rohco] Bright dipping chemicals. 

OTHER COMMENTS used in the manufacture of aluminum products in bright dipping operations used during the synthesis of detergent and soap builders and water treatment chemicals used as an acidulant and flavoring agent in manufacture of carbonated beverages, jellies... 

Chemical polishing in bright dip baths is related to acid cleaning. It has been developed primarily for aluminium and is cheaper than mechanical or electropolishing (see below). A typical bright dip bath operating at 95°C has the following composition ... 

Copper. Copper is cleaned by solvents and chemicals and then abraded to remove corrosion. Bright dipping in acids will also remove corrosion. Cleaned surfaces are often pretreated using chromates and vinyl... 

By balancing the conditions used in the anodizing process, oxides with almost any desired properties can be produced, from the thin oxides used in decorative applications to the extremely hard, wear-resistant oxides used in engineering applications. The utilization of electropolishing or chemical bright dipping in conjunction with a thin anodic oxide produces a finish whose appeal carmot be duplicated by other means. Matte finishes produced by etching the aluminum surface provides a "pewter" look that is the finish of choice of many architects. 

Cadmium bright dip with nitric acid with Kenvert conversion additive. ... 

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