Report copyright - for - Semantic Scholar · CH2 CH-CH2- CH-OR PVAS R SO3" or H ... H3C SO3Na H2 Mn 36 Fe 4 H2 Fe Ni 0.9 0.5 4 >100 >100 23 >90 >90 4 >2.8 >25 25 >180 >9O 179. Vol. 4, No. 3, 1997
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