Common drying agents are anhydrous inorganic salts that acquire waters of hydration when exposed to moist air or a wet solution. For the most common drying agents such as sodium sulfate or magnesium sulfate, the crystals form larger clumps when they absorb water.
Keeping this in view, what is the use of sodium sulfite?
It is used as a preservative to prevent dried fruit from discoloring and to preserve meat. Sodium sulfite is a white crystal powder or granule that tastes salty with sulphur odor. Sodium Sulphite is primarily used in pulp and paper industry. Used in water treatment as an oxygen scavenger agent.
What is the use of Glauber salt?
Johann Glauber was the first to produce the salt (from Hungarian spring waters). The naturally occurring salt is called mirabilite. Glauber's salt is water soluble, has a salty, bitter taste, and is sometimes used in medicine as a mild laxative; it is also used in dyeing.
Is sodium sulphate a surfactant?
Sodium laureth sulfate (SLES), an accepted contraction of sodium lauryl ether sulfate (SLES), is an anionic detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste etc.). SLES is an inexpensive and very effective foaming agent.