For transparent colored bottles, instead of sponge, the perfumers use what they call insoluble crystal salts (sulphate of potass).
"The Art of Perfumery" by G. W. Septimus Piesse
The sulphate is the cheapest and handiest.
"St. Nicholas Magazine for Boys and Girls, Vol. 5, October 1878, No. 12" by Various
Mix two ounces of rose-water with one dram of sulphate of zinc.
"Our Deportment" by John H. Young
We may accomplish this in several different ways, relying on certain methods of decomposing that sulphate of copper.
"The Chemistry of Hat Manufacturing" by Watson Smith
The sulphate of copper occurred in solution, and the copper could be precipitated from it by plunging an iron bar into it.
"Old-Time Makers of Medicine" by James J. Walsh
From the copper we got a liquid, which I asked you to save, and that is vitriol, or sulphate of copper.
"The Wonder Island Boys: Exploring the Island" by Roger Thompson Finlay
This form of lime is known to the chemists as sulphate of lime.
"Agriculture for Beginners" by Charles William Burkett
The resulting compound contains zinc, sulphur, and oxygen, and is known as zinc sulphate.
"An Elementary Study of Chemistry" by William McPherson
In some countries a small amount of copper sulphate is tolerated, while in others it is prohibited.
"Human Foods and Their Nutritive Value" by Harry Snyder
The principal ore of silver is the sulphate, although native silver is also freely encountered in some districts.
"Mexico" by Charles Reginald Enock
Is this substance formed naturally, or is it the result of using poor zinc or sulphate of copper?
"Scientific American, Volume XLIII., No. 25, December 18, 1880" by Various
Glycerine is a good tempering substance, and to this may be added a small amount of sulphate of potash.
"Practical Mechanics for Boys" by J. S. Zerbe
The soda process is used for waters containing sulphates of lime and magnesia.
"Steam, Its Generation and Use" by Babcock & Wilcox Co.
The antidote in cases of carbolic acid poisoning is any soluble sulphate.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3" by Various
The English system consists more in the use of extended and successive reservoirs or beds of sand alone, or aided by the use of the sulphate.
"Inventions in the Century" by William Henry Doolittle
And it appears from the blue tinge given to the fluid by the sulphat of copper, that ammonia or some of its combinations was contained.
"Observations on Madness and Melancholy" by John Haslam
Sulphate of copper, both chrystallized and in solution; 4.
"Curiousities of Great Britain: England and Wales Delineated Vol. 1" by Thomas Dugdale
When this disease appears, wash the sores with a solution of copper sulphate or a solution of peroxide of hydrogen and water, equal parts.
"Profitable Squab Breeding" by Carl Dare
For further information on leaching out the sulphates, alum, etc., see note 10, p. 564.
"De Re Metallica" by Georgius Agricola
The two solutions consist of copper sulphate and dilute sulphuric acid, the elements being made of zinc and copper.
"Hawkins Electrical Guide, Number One" by Nehemiah Hawkins