bleaching agent


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

bleaching agent

[′blēch·iŋ ‚ā·jənt]
(chemistry)
An oxidizing or reducing chemical such as sodium hypochlorite, sulfur dioxide, sodium acid sulfite, or hydrogen peroxide.
(food engineering)
A chemical, such as an aromatic acyl peroxide or monoperoxyphthalic acid, used to bleach flour, fats, oils, and other edibles.
References in periodicals archive ?
Turker and Biskin11 showed that microhardness is dependent on the type of bleaching agent used.
Four specimens were used as a control forSEM evaluation and remaining six were bleached with a commercial bleaching agent Everbrite tooth whitening system(1866 E.
and the ancient Romans' discovery that Ammonia in urine could serve as a bleaching agent to today's use of various forms of peroxide to safely whiten teeth, the quest for "pearly whites" threads throughout the history of oral health.
This procedure starts with intentional devitalization and root canal treatment of the tooth to enable application of the bleaching agent into the pulp chamber.
After completion of the whitening process, the bleaching agent was removed with running water, a very soft manual toothbrush, (33,34) and non-fluoride toothpaste (FitoKids[R], PF Farmaceutica SA/Tecser Laboratorios Ltda, Bogota, Colombia).
8 April 2010 - A Chinese food additive company is suspected of adding pulverised lime in bleaching agents for flour.
A tooth whitening treatment option consisting of custom tray-delivered high concentration of bleaching agent and short active bleaching times through unextended lengths of treatment may result in a tooth whitening option that satisfies patients' demands for fast color shade improvement.
Common sources of aluminum in an American diet include aluminum cans, aluminum and non-stick cookware, anti-caking agent in table sugar and salt (sea salt is better), baking powder, antiperspirant, emulsifiers in some processed cheese, a bleaching agent used to whiten flour, vaccines, antacids, and others.
A dermatologist can prescribe a tretinoin cream or a preparation containing the bleaching agent hydroquinone, which may help fade the pigmentation.
The lemon acts as a bleaching agent and restores the whiteness While filming in London recently we visited Wickes (www.
CHIP PROPERTIES ANALYSIS FOR PREDICTING BLEACHING AGENT REQUIREMENTS FOR TMP PULPS
Dr Duncan Campbell, Public Analyst for West Yorkshire, said: "Hydroquinone is a bleaching agent which is widely used in the photographic industry.