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Is alum alum? What are the functions and uses of alum in life?

Alum, also known as alum, is the refined product of alunite. It is cold, sour and astringent, with strong convergence effect. Therefore, alum is often used in our daily life. Do you know that alum has other functions that are not often used? Let's have a look with Xiaobian.

Efficacy and function of alum

In daily life, when cleaning pork offal, you can take a spoon of alum powder and put it into the offal. After rubbing and turning for many times, you can clean it with water to easily remove the odor and dirt from the offal. At the same time, this method is also applicable when dealing with the viscera of other animals. Alum can also remove the rust smell on the newly purchased iron pot, making it smoother and less prone to rust. The fresh eggs are immersed in 5% alum solution and taken out 15 minutes later. They can be kept fresh for a long time.

Alum powder can also eliminate moisture in shoes. Bamboo products can be prevented from mildew by soaking in alum solution. Alum can also restore the broken porcelain to its original state. Adding a small amount of alum to the paste can ensure that the paste is not easy to deteriorate. Make the dyed clothes more durable and beautiful. Alum set fire to a fire, the end of the study to smear the affected area, can treat beriberi. People who like to sweat in summer can wash their feet with alum and salt water every evening, which will reduce their sweat. Alum can also clear muddy water containing impurities.