The caustic soda solution having been drawn off, 30 barrels of a solution of litharge in caustic soda is added.
Its nature is easily recognized with the microscope, or by adding a strong solution of caustic soda to the sediment, which is thereby transformed into a gelatinous mass (Donne's test).
Crystals of calcium oxalate are insoluble in acetic acid or caustic soda.
This prepares a fresh solution of sodium hypobromite with excess of caustic soda, which serves to absorb the carbon dioxid set free in the decomposition of urea.
Permanent hardness in water, due to the presence of gypsum or sulphate of lime in solution, may be remedied by addition of caustic soda.
To show this, we take a quantity of flowers of sulphur, dissolve in caustic soda, and add to the lead solution.
To this mixture a solution of caustic sodais added until the precipitate first formed is just re-dissolved, so as not to leave an excess of caustic soda present.
The mite may be detected more readily by placing scrapings on black cardboard and warming, or better by macerating scabs or scrapings in a solution of caustic soda or potash and then examining them microscopically.
The addition of a dilute solution of caustic soda or potash greatly aids the examination, as it removes the layer of cells adhering to the fungus, which obscures the structure.
Ammonia, caustic soda, and caustic potash (lye) are those to which animals are most exposed.
The object is then wrapped round with strips of zinc, and placed in a 5% solution of caustic soda.
A 5% solution of caustic soda is then poured over the whole, the immediate result of which is an evolution of gas.
To prepare this, sodium sulphide is dissolved in water, or flowers of sulphur are boiled in a solution of caustic soda.
The whole is then placed into a 5% solution of caustic soda[126].
Where the pot has been neglected, boiling it out with a solution of caustic soda is sometimes a remedy.
Both animal and vegetable fats are used, and different forms of alkali, usually potash or caustic soda, the former for soft, the latter for hard, soap.
A cement which does not have this defect is made by boiling 3 parts of resin and 1 of caustic soda in 5 of water.
Apply by removing the film of grease from the tin by a solution of caustic soda (10 parts of water to 1 of soda).
There was plenty of caustic soda to be had, but high grade ferrosilicon, a production of large electrolytic furnaces, was scarce, because of its heavy consumption in the steel industry.
The decomposition of common salt solution into chlorine and caustic soda on the commercial scale How Enameled Letters are Made.
The operation consisted in treating the wood for six hours at a pressure of from six to eight atmospheres, with a solution of caustic soda of 12° B.
The anodes and cathodes are separated by the special diaphragms, and each vessel is thus divided into ten anode or chlorine sections and ten cathode or caustic soda sections.
The operations are carried on in large cast steel crucibles, and the charges consist of caustic soda and a finely ground artificial compound of carbon and iron, which is the reducing agent.
The crude pyrofuxin is extracted by repeated boilings in a solution of caustic soda.
There is hardly any appreciable loss or waste of materials, and from four pennyworth of caustic soda is ultimately obtained one pound of sodium.
Evaporate and ignite, transfer to a silver dish, and fuse with four or five times its weight of caustic soda, cool and extract with a little water, then add an equal volume of alcohol, and allow to stand overnight.
Caustic soda, sodium sulphide and sulphurous acid may also be advantageously employed on account of their softening and antiseptic action.
Perhaps the use of sodium sulphide or caustic soda in conjunction with the American wash wheel is the safest method.
While on this subject of caustic potash, it cannot be too often repeated that caustic potash is a totally different article to caustic soda, though just like it in appearance, and therefore often sold as such.
The process of making pure neutral potash soap is very simple, and almost identical with that for making hard soap with pure powdered caustic soda.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "caustic soda" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
