玄明粉的来源玄明粉为芒硝经风化干燥制得,主含硫酸钠(Na2SO4)。以粉细、色白、干燥者为佳,故有别名元明粉、白龙粉、风化硝。芒硝为硫酸盐类矿物芒硝族芒硝,经加工精制而成的结晶体,主含含水硫酸钠(Na2SO4·10H2O)。玄明粉易溶于水,在潮湿空气中易水化,逐渐变成芒硝,贮藏时要注意密封、防潮,避免暴晒,防止液化。 The source of Xuanming powder Xuanming powder is made from Glauber’s salt by drying and weaving. The main ingredient is sodium sulfate (Na2SO4). In fine, color white, dry is better, so there are alias Yuan Mingfen, white powder, weathering nitrate. Glauber salt is a mineral salt of Glauber’s Glauber’s Glauber’s salt, processed and refined into crystals, mainly containing sodium sulfate (Na2SO4 · 10H2O). Xuanming powder easily soluble in water, easy to hydration in humid air, gradually turns into thenardite, storage should pay attention to sealing, moisture, to avoid exposure to prevent liquefaction.