scholarly journals Effectiveness of Duck Hatching Egg Sanitization with the Combination of Hydrogen Peroxide and Ultraviolet Light

2019 ◽  
Vol 28 (2) ◽  
pp. 301-306 ◽  
Author(s):  
K. Cantu ◽  
G.S. Archer ◽  
Z.S. Tucker ◽  
C.D. Coufal
Keyword(s):  
Hydrogen Peroxide ◽  
Ultraviolet Light

scholarly journals The use of germicidal ultraviolet light, vaporised hydrogen peroxide and dry heat to decontaminate face masks and filtering respirators contaminated with an infectious norovirus

2020 ◽  
pp. 100111
Author(s):  
Constance Wielick ◽  
Louisa F. Ludwig-Begall ◽  
Lorène Dams ◽  
Ravo M. Razafimahefa ◽  
Pierre-Francois Demeuldre ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Ultraviolet Light ◽  
Dry Heat

Treatment of VX Hydrolysate with Ultraviolet Light and Hydrogen Peroxide

1997 ◽  
Vol 2 (3) ◽  
Author(s):  
Michael G. MacNaughton ◽  
James R. Scott
Keyword(s):  
Hydrogen Peroxide ◽  
Ultraviolet Light ◽  
Pilot Scale ◽  
Methylphosphonic Acid ◽  
Chemical Agent ◽  
Organosulfur Compounds ◽  
Two Phase ◽  
First Order ◽  
Engineering Study ◽  
Inorganic Sulfate

AbstractAn engineering study was performed to evaluate the use of ultraviolet light and hydrogen peroxide to destroy caustic-neutralized VX nerve agent in the U.S. chemical agent stockpile as an alternative to incineration. Whereas caustic neutralization completely destroys VX, (3-ethyl-S-2-(diisopropylamino)ethyl methylphosphonothiolate, the reaction leaves a complex two-phase mixture containing organic phosphates and organosulfur compounds which require treatment prior to ultimate disposal. Studies performed in laboratory-scale (320-mL), bench-scale (10-L) and pilot-scale (20-L) reactors demonstrated that the principal products of the caustic neutralization-ethyl methylphosphonic acid (EMPA), methylphosphonic acid (MPA), 2-(diisopropylamino)ethyl sulfide (RSR), disulfide (RSSR) and the other mixed sulfides-could be oxidized to inorganic sulfate, phosphate, ammonia and carbon dioxide. The reaction was zero order above 1000 mg/L and pseudo first order below. To mineralize 10,000 lb of VX per day to less than 10 mg/L organic carbon would require more than 1100 lamps of 30 kW each.

scholarly journals The use of germicidal ultraviolet light, vaporised hydrogen peroxide and dry heat to decontaminate face masks and filtering respirators contaminated with an infectious norovirus

2020 ◽  
Author(s):  
Constance Wielick ◽  
Louisa Fiona Ludwig-Begall ◽  
Lorene Dams ◽  
Ravo Michele Razafimahefa ◽  
Pierre-Francois Demeuldre ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Ultraviolet Light ◽  
Murine Norovirus ◽  
Ultraviolet Germicidal Irradiation ◽  
Dry Heat ◽  
Surgical Masks ◽  
Oral Pathogens

In the context of the SARS-CoV-2 pandemic, reuse of surgical masks and filtering facepiece respirators has been recommended. Their reuse necessitates procedures to inactivate contaminating human respiratory and oral pathogens. We previously demonstrated decontamination of masks and respirators contaminated with an infectious SARS-CoV-2 surrogate via ultraviolet germicidal irradiation, vaporised hydrogen peroxide, and use of dry heat. Here, we show that these same methods efficiently inactivate a more resistant, non-enveloped oral virus; decontamination of infectious murine norovirus-contaminated masks and respirators reduced viral titres by over four orders of magnitude on mask or respirator coupons.

Effects of bromide upon reaction of nucleosides with hydrogen peroxide induced by ultraviolet light

2009 ◽  
Vol 19 (12) ◽  
pp. 3217-3219 ◽  
Author(s):  
Toshinori Suzuki ◽  
Naofumi Moriwaki ◽  
Kazuko Kurokawa ◽  
Michiyo Inukai
Keyword(s):  
Hydrogen Peroxide ◽  
Ultraviolet Light

HYDROGEN PEROXIDE AND ITS ANALOGUES: III. ABSORPTION SPECTRUM OF HYDROGEN AND DEUTERIUM PEROXIDES IN THE NEAR ULTRAVIOLET

1951 ◽  
Vol 29 (6) ◽  
pp. 490-493 ◽  
Author(s):  
M. K. Phibbs ◽  
Paul A. Giguère
Keyword(s):  
Hydrogen Peroxide ◽  
Absorption Spectrum ◽  
Ultraviolet Light ◽  
Heavy Water ◽  
Zero Point ◽  
Zero Point Energy ◽  
Point Energy ◽  
Near Ultraviolet ◽  
The Difference ◽  
High Concentrations

The absorption of ultraviolet light between 3000 and 4000 Å by solutions of hydrogen peroxide in water and of deuterium peroxide in heavy water has been measured at various concentrations. Both peroxides show slight but real deviations from Beer's law at high concentrations. Substitution of hydrogen by deuterium shifts the absorption continuum by about 390 cm.−1 towards shorter wave lengths. This shift is of the same order as that calculated from the difference in zero-point energy of the two isotopic molecules.

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