| http://www.w3.org/ns/prov#value | - Optional water-soluble organic compound component (E) that is added to the metal surface treatment composition of the present invention if desired may be exempli- fied by : alcohols such as methanol, ethanol, isopropanol and ethylene glycol, etc. ; alde- hyde compounds such as formaldehyde, acetaldehyde, and furfural ; carbonyl com- pounds such as acetylacetone, ethyl acetoacetate, dipivaloylmetha
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