Century Dictionary and Cyclopedia
- n. Combining form of ammonium.
“If it be desired the ammonio-nitrate method may be used instead of the boiling one, although in my hands it does not give such sensitiveness.”
“This salt has also been incorporated with milled soap in a dry state in conjunction with ammonio-mercuric chloride, [beta] - naphthol, methyl salicylate, and eucalyptol.”
“Pictures produced by the ammonio-nitrate are most uncertain.”
“With acetate of lead, protochloride of tin, ammonio-sulphate of copper, and acetate of alumina, it yields a fine blue colour with a tint of violet, said not to be affected by air or light, and therefore recommended for dyeing.”
“Lay the paper on this, and then hang it up to dry, and excite with ammonio-nitrate containing seventy grains of nitrate of silver to one ounce of water.”
“-- The best formula for this process, of many that I have tried, is that furnished by Prof. C.H. Kain, of Camden, N.J., in which the quantity of ammonio-citrate of iron is exactly double that of the red prussiate of potash, and the solutions strong.”
“The unused developer produces the best crystals for the purpose, and the pure ammonio-oxalate is vastly better than either.”
“Dissolve six grains of red prussiate of potash in one drm. of distilled water; in another drm. of distilled water dissolve twelve grains of ammonio-citrate of iron.”
“It may be developed in a great many ways: by a solution of silver nitrate at 2 or 3 per cent. of water acidified slightly by an organic acid — citric acid, for example — or a diluted solution of ammonio-nitrate of silver, which most likely constitutes the best developer; the image is black and consists of metallic silver and ferric oxide, with formation of silver oxalate, which dissolve in the ammonia.”
“Paper is to be washed with a moderately concentrated solution of ammonio-citrate of iron and dried.”
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