potassiumn.钾
potassium nutrition condition钾营养状况
potassium permanganate method高锰酸钾法
potassium dihydrogen arsenite亚砷酸二氢钾
potassium iodide starch paper碘化钾淀粉(试)纸
potassium chlorate explosives氯酸钾炸药
potassium bromide disc method溴化钾片法
Potassium-enriched genotype富钾基因型
Potassium Hexachloroplatinate固化单宁