Assertion: sodium carbonate | /r/HasProperty | multi-faceted reagent
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text: Through batch flotation testwork on a skarn scheelite ore, single mineral flotation and contact angle measurements, this article aims at demonstrating that sodium carbonate is a multi-faceted reagent, which serves as a buffering pH modifier, a pulp dispersant precipitating calcium ions in suspension and a depressant for calcite and calcium-bearing silicates.