Polyelectrolytes as inhibitors of Fe(III) oxide precipitation

作者: E Baumgartner , M Mijalchik

DOI: 10.1016/0021-9797(91)90119-S

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摘要: Abstract Fe(III) oxide precipitation was studied in the presence of several polyelectrolytes. A rather specific inhibition synthesis hematite polyacrylic acid molecular mass 4000 observed. This effect occurs over a very narrow polyelectrolyte concentration range: 4.4 to 8.8 × 10 −5 N. When is changed higher values (25,000, 125,000, and 250,000), inhibitory influence disappears completely. Polymethacrylic has no retarding or inhibiting effect, indicating that conformation polymeric chain an important variable. Other polyelectrolytes, such as polystyrenesulfonic polyvinylbenzyltrimethylammonium chloride, show effect. Possible explanations these observations are discussed.

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