Aluminum naturally forms an oxide layer on ... Chemically, this is the sodium salt of sulphuric acid, and you can dispose of it safely after neutralizing it with baking soda.

FOR the analysis of the nitrate content of sea water, and for certain tests on alkaloids, it is necessary to have sulphuric acid free from all but the most minute amounts of nitric acid.

Calcium plus hydrochloric acid gives us calcium chloride. And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food is produced when sodium reacts with hydrochloric ...

Maumene, on the above subject. The fatty oils mingled with sulphuric acid disengage heat, this action may serve to distinguish them; it separates in a striking manner the drying oils from those ...

That process relies on energy intensive high-temperature sulphuric acid baking and requires large ... while reducing impurities such as iron, aluminium and phosphorous from the concentrate by ...