How to stabilize sodium aluminate solution

Then the nitrogen flow is top, and it can be covered with a small amount
or large plastic bags, or nitrogen, or alkali in a small container

You can use sodium hydroxide

or calcium hydroxide, which can be precipitated in itself. You can use the liquid to be extracted during use. You can also add ammonia water.Which one, as needed

Due to the absorption of carbon dioxide, the precipitation is aluminum hydroxide

Calcium is not good, causing aluminum precipitation

After the solution is matched with the dryer, it can be stored for a long time.

Add some sodium hydroxide, or you can use it now, how much you use