Desiccants are substances that have an affinity for water and will rapidly absorb any moisture from the atmosphere around it.
Try slow heating at a moderate temperature and store in a dessicator.
A dessicant
Phosphorus pentoxide a powerful dessicant. In its comon form it is P2O5.
Hygroscopic substances are chemicals that are easily dissolvable in water. One way in which they are used is as a dessicant.
You're probably thinking of Drierite, little blue rocks of anhydrous calcium sulfate with cobalt chloride so that it turns pink/purple when wet.
Dessicator is an instrument used in labs and laboratory.
The cast of Dessicator - 2010 includes: Wijnand Geraerts Monique Stoop
dessicant bag
it removes moisture from the AC system by using a package of dessicant inside it. dessicant is an absorbent material that removes the moisture
Try slow heating at a moderate temperature and store in a dessicator.
A dessicant
because you want to be dry
Dessicator
The dessicator is a very usual laboratory instrument used to dry substances or to store dry substances.
Dessicant means something that is used for drying. It is linked to the word dessicated as in 'dessicated coconut'. It is something with the hygroscopic ability that draws out the moisture from something nearby so will dry things in with it if it is in a sealed container.
chemical dryer - a very hygroscopic dessicant
Phosphorus pentoxide a powerful dessicant. In its comon form it is P2O5.