Bleaching definition

Bleaching means brightening of pulp by the addition of oxidizing chemicals or reducing chemicals.
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Bleaching in terms of oil manufacturing means the use of filters, “Fuller’s earth”, and/or acid-treated activated clays to bleach oils by removing pigments (such as chlorophyll and beta-carotene), natural polycylic and aromatic substances and remaining traces of soap at a temperature of 110°C (230°F) for 15 to 30 minutes, during which trans fats and/or toxic peroxides are formed from essential fatty
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Bleaching means any process that chemically alters pulp to increase itsbrightness;
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Examples of Bleaching in a sentence

  • To determine the percentage of available Chlorine in the supplied sample of Bleaching powder.

  • Where a reasonable substitute was possible, the covered expense would be that of the customary substitute.7. Separate charges for general anesthesia except in connection with office procedures as specified in your plan.8. Bleaching of teeth.9. Root canal on a permanent tooth more than once per lifetime per tooth.10.

  • Chapter on Pulping & Bleaching shall include: no black liquor spillage in the area of pulp mill; no use of elemental chlorine for bleaching in mill; installation of hypo preparation plant; no use of potcher washing and use of counter current or horizontal belt washers.

  • Provide tools - Cleaning Brooms, Sweeping brooms, Coir brush, Scraping Sheet, Bamboo Basket, Plastic containers, Plastic Buckets, Plastic Mug, Sponge piece, Washing Soap, Phenyl, Disinfectant Toilet Cleaner liquid, Bleaching powder and lime powder shall be supplied to the staff Engaged for the purpose.

  • Bleaching preparations and other substances for laundry use; cleaning, polishing, scouring and abrasive preparations; soaps; perfumery, essential oils, cosmetics, hair lotions; dentifrices.

  • Bleaching earth can be disposed off for oil recovery or as fuel in brick kilns.

  • Building Terrace, Parking area, Roads and building surrounding area to be cleaned with Bleaching powder as required especially rainy season.

  • Bleaching powder is to be dosed from chlorine dosing tank through a doser.

  • Common salt – as a raw material for other chemicals (NaOH, Bleaching powder, baking soda, washing soda, and their uses, Plaster of Paris).

  • O15 Regenerated cellulose fibre: Bleaching with chlorine gasChlorine gas* must not be used when bleaching cellulose mass or cellulose fibres.* Residual amounts of chlorine gas formed during the production of chlorine dioxide from chlorate are excluded.🖰 A declaration from the cellulose mass and regenerated cellulose manufacturers that the requirement is fulfilled or a valid EU Ecolabel licence in accordance with the Commission’s decision from 2014.


More Definitions of Bleaching

Bleaching practices like the misuse of potent topical corticosteroids as adjuncts with hydroquinone • Lichen sclerosus Management • Therapeutic treatments are not yet available. Proper explanation and reassurance of the patient is important. Good and practical advice about sun protection and local camouflage can often decrease the psychological burden of the disease a lot. • Topical treatment (for small localized areas) with intermittent potent corticosteroids during a set period of time, eg four days a week for 6 months, in combination with controlled UV exposure. • If available topical calcineurin inhibitors (TCI) like tacrolimus (0.03% and 0.1% ointment) or pimecrolimus (1% cream) may be used. The advantage is that they don’t cause cutaneous atrophy.8 • Sometimes xxxxxx can be useful. Dosage: 1-2mg/kg daily. Miscellaneous skin diseases • UVB 311 nm phototherapy can be given in a specialized centre. Reference List Clinical picture
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