A desiccant is a hygroscopic substance usually in a porous pouch or sachet which is placed inside a sealed package.
2.
Early cases in should be treated with the application of hygroscopic substances like powdered sugar followed by purse-string suturing.
3.
Solvents are commonly rendered anhydrous by boiling them in the presence of a hygroscopic substance; metallic sodium is one of the most common metals used.
4.
PrCl 3 " 7H 2 O is a hygroscopic substance, that will not crystallise from the mother liquor unless it is left to dry in a dessiccator.
मोबाइल