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Which compound is a typical collector in the flotation of galena?
AMethyl isobutyl carbinol
BCaustic soda solution
CCarboxymethyl cellulose
DSodium ethyl xanthate
Answer & Solution
Correct answer: D. Sodium ethyl xanthate
The polar xanthate anion binds the lead sulfide surface while its hydrocarbon tail makes the particle water-repelling.
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