potassium alum


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potassium alum

[pə′tas·ē·əm ′al·əm]
(inorganic chemistry)
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The method with potassium alum was efficient for reduce the moisture, improved firmness and yielded 500 g of fresh roe for human consumption.
Alums were commonly identified, being represented by potassium alum at Dobren 1 and Hradcany and by potassium-ammonium alum [(K, N[H.sub.4])Al(S[O.sub.4])2-12[H.sub.2]O] at Dobren 2, Plany dul, Rohliny and Zaborci.
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 deposit has produced an attractive suite of colorful, well-crystallized, hydrous sulfates including coquimbite, halotrichite, krausite, metavoltine, potassium alum, quenstedtite, r^merite and voltaite.
The first is your choice of potassium alum or ammonium alum.

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