potassium alum

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  • noun

Synonyms for potassium alum

a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

References in periodicals archive ?
THIS little clear rock comes in its own little cotton bag and consists of naturally formed crystals of potassium alum which is apparently non-toxic, hypo-allergenic and does not block the pores.
The first is your choice of potassium alum or ammonium alum.
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