| http://www.w3.org/ns/prov#value | - The usual stabilizers or modifiers may be used, and particularly amines, for example alkanolamines such as 2-amino-2-methyl-1-propanol or dimethylaminoethanol, triethylamine and the like, as well as furfural, polyamines, and sugar, in amounts of under 10 percent by weight.
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