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Updated: June 12, 2025
The binoxide of commerce, as taken from the mine, is well sampled, powdered, and dried at 100 deg.C. 0.5 gramme of this is taken and placed in a 250 c.c. flask; in analysis the binoxide on the filter, from the treatments noted under separation is thoroughly washed with warm water; it is then washed down in a flask, as above, after breaking the filter paper; sufficient water is added to one-third fill the flask, and about twice the approximate weight of the binoxide in the flask of oxalate of potassa; these are agitated together.
Mareschal's system, bichromate of potassa piles may be utilized in a large number of cases where a light of but short duration is required until the battery is exhausted, without the tedious maneuvering of a winch and without inconvenience. The jack permits of a large number of lightings and extinctions being effected before it becomes necessary to wind up its clockwork movement.
The Germans recommend a strong, alcoholic solution of potassa to be used in the second vessel, for in this case, the hydrocyanic or prussic acid combines with the potassa, forming a hydrocyanate of potassa, or, the water being abstracted, the cyanuret of potassium, which spontaneously precipitates, on the saturation of the fluid, the cyanuret, being insoluble in strong alcohol.
In fact, many metals of universal estimation, such as gold, silver, mercury, copper, and iron, in a pure state, in grains, in masses, or in dust, as well as mixed with other metals, superficially or in veins, are found in the extensive territory of Sonora; lead, or combinations of lead, for aiding in extracting metals by fire, and for the construction of munitions of war, amianthus or incombustible crystal, divers ores of copperas, exquisite marble, alabaster, and jasper of various colors, as well as quarries of stone of chrispa and magnetic stones, muriate and carbonate of soda, saltpetre or nitrate of potassa, are, in enumeration, the mineral productions which are found in abundance in the territory of the state of Sonora, which comprehends the region from the river of Fort Monte Clarasal at the south to the Gila at the north, and from the Sierra Madre at the east to the Colorado at the northwest.
Nothing but a cloud of elements organic, C. O. H. N. Ferrum, Chor. Flu. Sil. Potassa, Calc. Sod. Phosph. Mag. Born of stream galvanic, with it he had perished! There is no De Sauty now there is no current! Give us a new cable, then again we'll hear him Cry, "All right! Back again! A turtle which means a tortoise is fond of his shell; but if you put a live coal on his back, he crawls out of it.
BAD BREATH. Bad or foul breath will be removed by taking a teaspoonful of the following mixture after each meal: One ounce chloride of soda, one ounce liquor of potassa, one and one-half ounces phosphate of soda, and three ounces of water.
There may be added to the boiler, C, certain materials for purifying the acetic acid, such as permanganate of potassa or acetate of soda, so as to obtain an absolutely pure article. Dingler's Polytech. Journal. We illustrate the field kitchens of Captain J.C. Baxter, R.E., in the Inventions Exhibition.
If the throat is sore, rub it with warm vinegar and salt, or blister; walk him a little for exercise, administer the following: oil of croton, 5 drops; nitrate of potassa 4 to 6 drachms; potassio-tartrate of antimony, 1 drachm; spirit of nitric ether, 4 drachms to 1 oz; solution of acetate of ammonia 2 to 4 ozs.; and warm water sufficient to make a draught; and when the head is much affected, add a drachm of camphor.
Give one ounce of the following powders every six hours, until the bowels are opened: Barbadoes aloes, one and half ounces; nitrate of potassa, half an ounce; ginger, six drachms; mix and divide into six powders. Setons in the dewlap are often of great benefit.
Here is a salt called chlorate of potassa, which is now made in large quantities for bleaching, and chemical and medical uses, and for pyrotechnic and other purposes.
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