Encyclopedia

Potassium Dichromate

Also found in: Dictionary, Medical, Wikipedia.

potassium dichromate

[pə′tas·ē·əm dī′krō‚māt]
(inorganic chemistry)
K2Cr2O7 Poisonous, yellowish-red crystals with metallic taste; soluble in water, insoluble in alcohol; melts at 396°C, decomposes at 500°C; used as an oxidizing agent and analytical reagent, and in explosives, matches, and electroplating. Also known as potassium bichromate; red potassium chromate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Potassium Dichromate

 

K2Cr207. Potassium dichromate is found in nature as the mineral lopezite. It is widely used in certain types of volumetric analysis and as an oxidizing agent in pyrotechnics, photography, and the manufacture of safety matches.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Mentioned in
References in periodicals archive
Tchounwou, "Potassium dichromate induced cytotoxicity, genotoxicity and oxidative stress in human liver carcinoma (HepG2) cells," International Journal of Environmental Research and Public Health, vol.
Group 2, 3 and 4 were fed Cr (Potassium dichromate, K2Cr2O7; Cr6+), vitamin E and bentonite @ 270 and 150 mg/kg, and 5% of feed, respectively.
The commonest individual sensitizers in our study were potassium dichromate (27.08%), cobalt (16.67%) and fragrance mix (10.47%).
The most greenish, smooth and level dyed sample was yielded by the recipe of post-mordanting potassium dichromate (Fig-1).
Effect of potassium dichromate on histopathologic changes in testicles of white rats and results of atomic pilograms on fur.
The oocysts collected in potassium dichromate had sporulated by the time of examination, which facilitated and confirmed identification as Cyclospora spp.
Polymerization-inhibited juice was prepared by the extraction of polyphenolics, by adsorption onto polyvinylpolypyrrolidone, by the recrystallization of polyphenolics, by oxidation to quinones by potassium dichromate, and by adding 2% TETA and quinones to the juice.
Various chemical oxidizing agents, such as potassium dichromate [13], potassium iodate [14], hydrogen peroxide [15], ferric chloride, or ammonium persulphate, were used [16].
Alphatocopherol protects against the renal damage caused by potassium dichromate. Toxicology 2006; 218: 237-46.
Looking for an Alternative to Potassium Dichromate in the Chemistry Lab.
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.