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 Re: Oxidized hard rubber
Author: Anonymous666 
Date:   2010-09-13 11:45

I think it is worthwhile to note that bleach (sodium hypochlorite) is classified by the National Fire Protection Association as an oxidant.
http://en.wikipedia.org/wiki/Sodium_hypochlorite
Although, solutions under 5-12.5% are not counted as oxidizers for the purposes of storage. This is according to a PDF "FI430.pdf" dated 2004 posted by the NFPA found via a google search for Sodium Hypochlorite NFPA. Nonetheless, whether weak solutions are liable to cause problems when stored, the compound sodium hypochlorite still possesses similar, if not the same properties when concentrated or dilute. In particular, it is relatively unstable (note that it has a limited shelf life) when compared to sodium chloride, so the hypochlorite readily gives up its oxygen and therefore acts as an oxidizing agent.

Sodium hypochlorite shelf life
http://www.cdc.gov/safewater/publications_pages/pubs_disinfectant.htm

I am also puzzled by the characterization of sulfur as a catalyst. My understanding of a catalyst is that it is a material that speeds up a reaction and is not changed by it. Sulfur in the case of vulcanization cross-links carbon chains (isoprenoids) of latex. So, it is participating in the reaction and changing, in the sense that it goes from, what I assume is an unreacted, elemental or diatomic form to a form that is bonded to carbon or itself.
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 Re: Oxidized hard rubber  new
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