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27 de sept. de 2021 · Request PDF | Evaluation of Ultraviolet/Peracetic Acid to Degrade M. aeruginosa and Microcystins -LR and -RR | The reactivity of peracetic acid (PAA) alone, and PAA exposed to ultraviolet ...
1 de may. de 2021 · Use of ultraviolet energy to degrade Aflatoxin M1 in raw or heated milk with and without added peroxide. Journal of Dairy Science, 69 (9) (1986), pp. 2243-2247, 10.3168/jds.S0022-0302(86)80663-4. View PDF View article View in Scopus Google Scholar. Cited by (0) 1.
Heating polymers to a sufficiently high temperature can cause damaging chemical changes, even in the absence of oxygen. This usually starts with chain scission, generating free radicals, which primarily engage in disproportionation and crosslinking. PVC is the most thermally sensitive common polymer, with major degradation occurring from ~250 °C (480 °F) onwards; other polymers degrade at ...
1 de ene. de 2019 · Abstract. The exposure of polymeric materials to high temperature and ultraviolet (UV) radiation leads to deterioration of their properties and they may become unsuitable for their intended applications. Exposure to elevated temperatures can cause short-term physical changes or long-term chemical changes in the polymer materials.
19 de nov. de 2019 · Ultraviolet rays are one of the causes of fading because they can break down chemical bonds and fade the color in an object. Other major contributors to fading include visible light and solar heat. Some objects may be more prone to this bleaching effect, such as dyed textiles and watercolors. Other objects may reflect the light more, which ...
1 de feb. de 2022 · In this paper, electrochemical-assisted ultraviolet light coupled peroxodisulfate system (E-UV-PDS) was used to degrade ciprofloxacin (CIP), and it was determined that electrolysis and ultraviolet ...
Direct photolysis (ultraviolet light at 254nm) of dielectric oils dissolved in alkaline isopropanol lead to 92% removal of PCBs in 60min. The observed mechanism was again that of reductive dechlorination, with stoichiometric release of chloride, and the accumulation of biphenyl, quaterphenyl and condensation products of biphenyl with isopropanol.
