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The peroxide value is defined as the amount of peroxide oxygen per 1 kilogram of fat or oil. Traditionally this was expressed in units of milliequivalents, although in SI units the appropriate option would be in millimoles per kilogram (N.B. 1 milliequivalents = 0.5 millimole; because 1 mEq of O2 =1 mmol/2 of O2 =0.5 mmol of O2, where 2 is valence).
A typical mixture is 3 parts of concentrated sulfuric acid and 1 part of 30 wt. % hydrogen peroxide solution; [1] other protocols may use a 4:1 or even 7:1 mixture. A closely related mixture, sometimes called "base piranha", is a 5:1:1 mixture of water, ammonia solution ( NH 4 OH , or NH 3 (aq) ), and 30% hydrogen peroxide.
Benzoyl peroxide is an oxidizer, which is principally used in the production of polymers. [5] Benzoyl peroxide is mainly used in production of plastics [6] and for bleaching flour, hair, plastics and textiles. [7] [8] As a bleach, it has been used as a medication and a water disinfectant. [6] [8]
Hydrogen peroxide–urea (also called Hyperol, artizone, urea hydrogen peroxide, and UHP) is a white crystalline solid chemical compound composed of equal amounts of hydrogen peroxide and urea. It contains solid and water -free hydrogen peroxide, which offers a higher stability and better controllability than liquid hydrogen peroxide when used ...
Erythromycin/benzoyl peroxide, sold under the brand name Benzamycin, is a topical gel containing of 5% benzoyl peroxide and 3% erythromycin primarily used to treat acne. [1] Erythromycin/benzoyl peroxide is a prescription medication.
High-test peroxide (HTP) is a highly concentrated (85 to 98%) solution of hydrogen peroxide, with the remainder consisting predominantly of water.In contact with a catalyst, it decomposes into a high-temperature mixture of steam and oxygen, with no remaining liquid water.
The Dow's losses amount to roughly 3%, or more than 1,500 points, in the past nine trading sessions. The index has fallen from a record close of 45,014 on Dec. 4 to 43,499 as of Tuesday's close.
Reduction of hydrogen peroxide or an alkyl hydrogen peroxide by iron (Figure 3). [2] Other reductants such as Cr 2+ , V 2+ , Ti 3+ , Co 2+ , and Cu + can be employed in place of ferrous ion in many instances.
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