Search Results for: Tapioca prepared from starch in form of pearls
water and sulfuric acid that could be used to dissolve (leach) the copper compounds found in the ore if this is possible. in the case of intensive continuous heating, black deposit was formed initially in the acid and on the copper surface, the amount of which in the acid and on the surface of copper
oil of vitriol, or hydrogen sulfate, dense, colourless, oily, corrosive liquid; one of the most important of all chemicals, prepared industrially by the reaction of water with sulfur trioxide (see sulfur oxide), which in turn is made by chemical. pyrrhotite (fes) would be dissolved partly, but pyrite...
https://atfs.immobilienservice-vogtland.de/copper-oxide-sulphuric-acid.html
glycerin g. water g. beta naphthol g. essential oils as in formula no. treatment as in no. , saponify the fats (wax, lanolin, stearin) together. cleansers, soaps and detergents cleaning preparations and methods to remove stains from the hands: removal of aniline-dye stains from the skin.
an agreeable odor. . to remove stains of sulphate of copper, or of salts of mercury, silver, or gold from the hands, etc., wash them first with a dilute solution either of ammonia, iodide, bromide, or cyanide of potassium, and then with plenty of water; if the stains are old ones they should first be...
https://niir.org/books/book/selected-formulary-book-on-cosmetics-drugs-cleaners-soaps-detergents-2nd-revised-edition/isbn-9789381039731/zb,,18bc3,a,0,0,a/index.html