Potassium dichromate manufacturers, suppliers, exporters, producers, and supplier in Sohar Muscat Barka Ruwi Madayn Salalah
Sohar chemical is one of the leading Potassium dichromate manufacturers, suppliers, exporters, producers, and supplier in Sohar Muscat Barka Ruwi Madayn Salalah. We are supplied into various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, Agriculture, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.
Potassium dichromate, K2Cr2O7, is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-orange color. The salt is popular in the laboratory because it is not deliquescent, in contrast to the more industrially relevant salt sodium dichromate.
Potassium dichromate has few major applications, as sodium salt is dominant industrially. The main use is as a precursor to potassium chrome alum, used in leather tanning.
Like other chromium(VI) compounds (chromium trioxide, sodium dichromate), potassium dichromate has been used to prepare “chromic acid” for cleaning glassware and etching materials. Because of safety concerns associated with hexavalent chromium, this practice has been largely discontinued.
It is used as an ingredient in cement in which retards the setting of the mixture and improves its density and texture. This usage commonly causes contact dermatitis in construction workers.
Because it is non-hygroscopic, potassium dichromate is a common reagent in classical “wet tests” in analytical chemistry.
Potassium dichromate is used to stain certain types of wood by darkening the tannins in the wood. It produces deep, rich browns that cannot be achieved with modern color dyes. It is a particularly effective treatment on mahogany.
The important uses of Potassium dichromate in industries are as follows:
The potassium dichromate is mainly used in the production of potassium chrome alum, and in the leather tanning industry.
Potassium dichromate can be used as a raw material for the manufacturing of chromic acid which is used as an etchant for glass materials and also for the purpose of cleaning glassware. Nowadays its use is very limited because of its hazardous nature.
It is also used in the construction industry as an ingredient in cement in which it increases the hardening time of the concrete mixture and improves its density and color. Long term exposure of potassium dichromate to construction workers causes skin diseases.
In the photography industry, it is used as an oxidizing agent and in photography screen printing.
It is also used as a hardening agent for organic solvents like gelatin, dye, carbon black, and gum arabic. These hardened solvents find their uses in the creation of metal printing plates used in photomechanical printing processes.
The solution of potassium dichromate solution with dilute H2SO4 is used for the development of negatives in photography.
It is also used in screen printing photography because it has the property of tanning leathers and skin on exposure to light.
Potassium dichromate paper is widely used for the analytical test of sulfur dioxide, as it gives a cloud change from orange to green.
Many times it is also used for the staining, polishing, and tanning of wood which gives its a glossy finish with a rich brown texture.
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