potassium dichromate


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potassium dichromate

n.
A bright yellowish-red crystalline compound, K2Cr2O7, used as an oxidizing agent, and in pyrotechnics, explosives, and safety matches.

potassium dichromate

n
(Elements & Compounds) an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7

potas′sium dichro′mate



n.
an orange-red, crystalline, water-soluble, poisonous powder, K2Cr2O7, used chiefly in dyeing and photography and as a laboratory reagent.
[1880–85]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.potassium dichromate - an orange-red salt used in making dyes and in photography
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
References in periodicals archive ?
Focusing on the latter, they explain to professional and amateur woodworkers such aspects as preparing the wood for color, ammonium hydroxide for fuming, potassium dichromate, introduction to natural dyes, logwood, grain filling, and wire brushing.
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Soil organic matter was estimated by oxidation with known volume of acidified potassium dichromate, the residual of which was titrated against 1 N ferrous sulfate by using diphenylamine indicator (Moodie et al.
Delayed patch test reactions after 5 days include metals (gold potassium dichromate, nickel, and cobalt), topical antibiotics (neomycin and bacitracin), and topic corticosteroids.
Delayed patch-test reactions after 5 days include metals (gold potassium dichromate, nickel, and cobalt), and topical antibiotics (neomycin and bacitracin) as well as topic corticosteroids.
NTP also generated other scientific products related to CrVI that preceded its drinking water studies: a) a series of three final reports on the reproductive effects of potassium dichromate administered in the diet in rodents (NTP 1996a, 1996b, 1997) and b) the NTP "Report on Carcinogens" listing of CrVI compounds as "known to be human carcinogens" since 1980 (NTP 2014d).
8 ppm) determined through atomic absorption spectroscopy after administration of potassium dichromate (Shati, 2014).
Sample and standard concentrations were prepared by distillation in potassium dichromate solutions.
Potassium dichromate showed the highest incidence (27.
The cathodic compartment was filled with 1M solution of potassium dichromate [17].
Metallic mordants included aluminium sulphate, copper sulphate, ferric chloride, potassium dichromate and hydrated potassium aluminum sulphate or alum.