Commercially, hydrochloric acid is prepared in connection with the manufacture of sodium sulphate, the reaction being the same as that just given.
Thus a crystal ofsodium sulphate (Glauber's salt) on exposure to air crumbles to a fine powder, owing to the escape of its water of crystallization.
By this means a solution is obtained with the least possible excess of alkali, and with a good amount of sodium sulphate.
Glauber's salt, or sodium sulphate, forms a particularly instructive example of the case in question.
The chalky-white crystals of sodium sulphate, sometimes known as Glauber's salts, are found in few places in the United States outside of the old lake beds of northwestern North Dakota.
Sodium sulphate, also known as Glauber's salt, is commercially valuable, especially in the pulp and paper industries.
Extensive sodium sulphate deposits have been formed in old lake beds in the northwestern corner of the State, where the mineral-bearing waters have evaporated, leaving a deposit of sodium sulphate crystals.
This first consisted of sodium sulphate, sodium chlorid, sodium phosphate, sodium bicarbonate and potassium sulphate in water in such amounts as to stimulate the blood plasma.
Sodium sulphate is as valuable and is not open to this danger.
When there is great scarcity of sodium sulphate in the blood, abnormal growths develop from the phosphatic nerve tissues, and they continue to develop so long as the blood and lymph are deficient in sulphur, particularly the sulphates.
The cotton is first impregnated with a solution of lead acetate or nitrate, squeezed, and then passed through a solution of sodium sulphate or lime water to fix the lead on the fibre as sulphate or oxide of lead.
The addition of sodium sulphate to the dyebath exerts a restraining action; the dyeing therefore proceeds more slowly and regularly, and a more equal distribution and better absorption of the colouring matter takes place.
An excess of sodium sulphate is to be avoided, otherwise precipitation of the colouring matter and imperfect dyeing result.
The numbers denote grams of sodium sulphate, calculated as anhydrous salt, dissolved by 100 grams of water.
This appears to be the case with the two hydrates of sodium sulphate, to which reference will be made later.
In the case of sodium sulphate decahydrate, however, the dissociation pressure is greater than the normal vapour pressure in a room, and this salt therefore effloresces.
From their analysis the authors find that Uricedin is not a definite chemical compound as is claimed, but is a simple mixture whose composition is approximately: Sodium sulphate (anhydrous) 61.
Chemical analysis of a specimen of Sulpho-Lythin purchased in the open market indicated its composition to be: Sodium sulphate, anhydrous 10.
Further neutralisation reduces the tanning intensity of the product; the addition of sodium sulphate to the original partly neutralised product hastened tannage, the leather, however, possessing dark colour and being undertanned.
Sodium Sulphate, or Glauber's salt, is made from common salt by the action of concentrated sulphuric acid.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "sodium sulphate" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
