Salt, primarily sodium chloride, is used for seasoning and preserving food, while alum, a double sulfate of aluminum and potassium, is used for water purification, in cosmetics, and as an astringent.
Ammonium Alum:Ammonium alum has the formula NH4Al(SO4)2·12H2O. Ammonium alum is used for many of the same purposes as potassium alum and soda alum. Ammonium alum finds applications in tanning, dyeing textiles, purifying water, and making textilesflame retardant. It's also used in the manufa...
Any of various crystalline salts in which a metal such as aluminum or chromium is combined with another metal such as potassium or sodium, especially aluminum potassium sulfate. Alum is widely used in industry as a hardener and purifier, and in medicine to induce vomiting and stop bleeding. ...
Nalgonda technique is based on the principle precipitation where alum is used as coagulant. In the recent years, defluoridation of water using poly aluminium chloride (PAC) is being tried by many researchers. It is reported that use of PAC can be the only available best and cheapest ...
and has strong convergence.It is mainly used for fermentation powder processing, fried food, jellyfish flooding, vermicelli processing, fruit and vegetable preservation and crispness, color protection, water purification and environmental protection, disinfection, rubber processing, tanning, washing powder pr...
aluminum hydroxide precipitate and the waste sediment called “red mud.” It is a simple matter then to calcine aluminum hydroxide and convert it into high-purity alumina powder, which can then be used asfeedstockfor aluminum smelting, and as a source of alumina powder for making alumina ...
9.The current rectification is like a dose of alum.这次整风,就是放一把明矾。 10.Alunite is a harmful impurity which is difficult to remove from kaolinite, and so is kaolinite in alunite ore.明矾石是高岭土中难以除去的有害杂质,高岭石也是明矾石矿石中的有害杂质。 11.Containing or yielding ...
The meaning of CHROME ALUM is an alum in which chromium is the trivalent metal; especially : potassium chromium sulfate KCr(SO4)2.12H2O obtained as dark purple crystals by treating potassium dichromate with sulfur dioxide and used in tanning, as a mordan
a double sulphate of aluminum and potassium that is used as an astringent (among other things) see more noun a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum synonyms: potash alum, potassium alum see more noun a white crystalline double sulfate of alum...
paste, since it doesn’t rub in a paste easily. This particular paste is extremely effective also it stings at first, whenever used. However the boil breaks on the same day it really is used, giving one a good rest from eye abscess. This stone could be kept for years and also used....