potash alum

1. The main mineral resources in the territory there is iron ore, potash feldspar, sodium feldspar, limestone, quartz stone, phosphate rock, aluminum alum with disabilities, go home and so on.
   境内矿产资源主要有铁矿石、钾长石、钠长石、石灰石、石英石、磷矿石、铝矾士、去母等。
2. Study on the preparation of potassium nitrogen compound fertilizer without chlorine from potash alum
   钾明矾制备无氯钾氮肥的工艺探讨

noun

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

   Synonym:    alumpotassium alum