potassium dichromate


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po·tas·si·um di·chro·mate

, potassium bichromate
used externally as an astringent, antiseptic, and caustic; strong oxidizing agent.

Kali bich

Homeopathy
A homeopathic remedy used for head and neck, gastrointestinal and genital tract complaints, including colds, migraines, nausea, sinusitis and vomiting.
References in periodicals archive ?
In the current study, besides the above-mentioned substances, we found more important allergens, including colophony, potassium dichromate, nickel, cobalt, and chrome, which could be derived from sources such as metal tools, dyeing agents, and leather materials in the workplace.
Pycnogenol(r) prevents potassium dichromate (K2Cr2O7)-induced oxidative damage and nephrotoxicity in rats.
Maximum light fastness of 5 Blue Wool Standard was exhibited by alkanet dyed sample with a combination of pre- mordanting potassium dichromate; post-mordanting ferric chloride; and post-treated Albafix WFF, Dicrylan, UV-SUN and Rayosan.
The present work intends to study the kinetics of the oxidative chemical polymerization of o-phenylenediamine in aqueous HCl medium and potassium dichromate as oxidant.
Potassium Dichromate is a widely used chemical for oxidation reactions in undergraduate chemistry teaching labs.
The reaction was stopped by the addition of 2.0 mL of dichromate-acetic acid reagent 5% potassium dichromate and glacial acetic acid was mixed in 1:3 ratios.
Chromium in the hexavalent state (Cr VI) is a human carcinogen (as in the orange colored potassium dichromate or bi-chromate) while trivalent chromium (Cr III) (as in the green colored chromium III chloride) appears not to be.
In the past, we would place liquid mercury in a watch glass and mix in a solution of dilute nitric acid and potassium dichromate. This mixture caused the mercury to move in a manner roughly resembling an Amoeba.
A sample containing <25 mg C (total sample mass ranged from ~0.02 g for graphite to ~1.0 g for dolomite) was placed into a 250-mL conical flask; 10mL of IN potassium dichromate was added and allowed to react for 30 min, followed by rapid addition, while swirling, of 20 mL 98% sulfuric acid.
The oxidizable substances in the test sample volume are oxidized by a known quantity of potassium dichromate in the presence of mercuric sulfate and silver catalyst in an environment of concentrated sulfuric acid in a defined time interval.
Potassium dichromate solution was diluted with the growth media (SDA) to obtain varying concentrations from 0.5% up to 3.0 % and 0 % served as control.
Ten nauplii added in 3 mL of ASW was used as a negative control while potassium dichromate was used as positive control during the experiment.