s/kg) can be achieved, depending on the fuel. Reaction: H2O2 → H2O + [O] Nascent oxygen. Peroxide used as an oxidizer gives a somewhat lower Isp than liquid oxygen, but is dense, storable, non-cryogenic and can be more easily used to drive gas turbines to give high pressures using an efficient closed cycle. It has an open book structure with O-O spins. Determine the Concentration of H2O2. In April 1992, an explosion occurred at the hydrogen peroxide plant at Jarrie in France, due to technical failure of the computerised control system and resulting in one fatality and wide destruction of the plant. On 15 August 2010, a spill of about 30 US gallons (110 L) of cleaning fluid occurred on the 54th floor of 1515 Broadway, in Times Square, New York City. 10 Vol H2O2 means 1 mL of H2O2 gives 10 mL of O2 at STP. Peroxodisulphate is then hydrolyzed to get hydrogen peroxide. Hazards Identification, "Naturopath Sentenced For Injecting Teen With Hydrogen Peroxide – 7NEWS Denver", "Oxidative stress and cancer: have we moved forward? Information on the hazards of hydrogen peroxide is available from OSHA[90] and from the ATSDR. The practice calls for the daily consumption of hydrogen peroxide, either orally or by injection, and is based on two precepts. Hydrogen peroxide in both acidic and basic medium acts as an oxidizing as well as the reducing agent. It acts as a bleaching agent and is also used as a disinfectant. It is often referred to as water with one more oxygen atom. The spill, which a spokesperson for the New York City fire department said was of hydrogen peroxide, shut down Broadway between West 42nd and West 48th streets as fire engines responded to the, In 1882, Kingzett proposed as a structure H. In his 1922 textbook, Joseph Mellor considered three hypothetical molecular structures for hydrogen peroxide, admitting (p. 952): "... the constitution of this compound has not been yet established by unequivocal experiments". It may also be used for regenerative cooling of rocket engines. It melts at 272.4 K and has a boiling point of 423 K (extrapolated). Degradation of hypoxanthine through xanthine to uric acid to form hydrogen peroxide. Cells called phagocytes engulf pathogens and then use hydrogen peroxide to destroy them. It may be safely distilled at lower temperatures under reduced pressure. 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