| http://www.w3.org/ns/prov#value | - The instrument of claim 1 wherein the reagent concentration in the composition is from about 0.1% to about by weight and the remainder is a carrier selected from the group consisting of polyethylene glycol having a molecular weight of from about 800 to about 6000 and solid esters thereof with a carboxylic acid having from 12 to 30 carbon atoms. 10.
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