Since all forms of potassium alum are soluble in water, when the stone is wet or applied to wet skin, an invisible, fine layer of the mineral is rubbed off the stone and applied to the skins surface.
Watersolublepotassium ions in potassium hexatitanate whiskers (PTW) of calcination synthesis were investigated in this paper.
研究了烧结法制备的六钛酸钾晶须(PTW) 中的水溶钾。
3
A wool surface is oxidized with potassium permanganate in saturated salt solutions, which is an electrolyzed compound with potassium ion in water-soluble solutions.