... )2.12H2O 2.free sample 3.good quality 4.best price food additive Potash Alum KAL(SO4)2.12H2O1.Specifications 2012 Potash alum ... , containing aluminum ions, so excessive intake may affect body iron, calcium absorption components, leading to osteoporosis, anemia, and even affect the ... used to prepare aluminum, paints, tanning, mordant, paper, waterproof agent. food additive Potash Alum KAL(SO4)2.12H2O