On cooling and extracting with water, the sulphur will pass into solution as potassium sulphate, which is then filtered off from the insoluble oxides of iron, copper, &c.
It is distinguished by the insolubility of its hydrate in potash, by the insolubility of its oxalate in oxalic acid, and by not being precipitated by hyposulphite of soda or potassium sulphate.
A saturated solution of magnesium sulphate dissolves potassium sulphate, and solid magnesium sulphate is soluble in a saturated solution of potassium sulphate.
All the by-products, potassium sulphate, sulphur and aluminate of iron, were capable of recovery, and were claimed to reduce the cost of the oxide materially.
If much iron should be present in the shale then it is preferable to use potassium chloride in place of potassium sulphate.
I have also incorporated a short section on the reciprocal salt-pair barium carbonate--potassium sulphate, which had been written for the German edition of this book by the late Professor W.
In order, therefore, to find the amount of potassium sulphate present {318} from such a diagram, it is necessary to know the total number of salt molecules in the solution.
When this is known, it is only necessary to subtract from it the sum of the molecules of sodium and potassium chloride, and the result is equal to twice the number of potassium sulphate molecules.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "potassium sulphate" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
