 | Edward Turner - Chemistry - 1828 - 516 pages
...Mnatysis of minerals containing a fixed alkali. — When the object is to determine the quantity of fixed alkali, such as potassa or soda, it is necessary...to redness in a crucible of platinum, in order to espel the salts of ammonia. The residue is the chloride of potassium or sodium. In this analysis, it... | |
 | Edward Turner - Chemistry - 1829 - 508 pages
...of ammonia is added ; and the insoluble matters, consisting of silica, carbonate of baryta, and'all the constituents of the mineral, excepting the fixed alkali, are collected on a filter. 2 Q 2 The clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated... | |
 | Edward Turner - Chemistry - 1830 - 616 pages
...taken up in hot water; an excess of ihe carbonate of ammonia is added; and the insoluble matter.", consisting of silica, carbonate of baryta, and all...porcelain capsule, and the dry mass is heated to redness it> a crucible of platinum, in order to expel the salts of ammonia. The residue is the chloiide of... | |
 | John Lee Comstock - Chemistry - 1831 - 366 pages
...Analysis of minerals containing ajixed alkali. — When the object is to determine the quantity of fixed alkali, such as potassa or soda, it is necessary...excepting the fixed alkali, are collected on a filter. The dear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated to redness... | |
 | Edward Turner - Chemistry - 1832 - 638 pages
...the solution evaporated to perfect dryness. The soluble parts are taken up in hot water; an excess of carbonate of ammonia is added ; and the insoluble...collected on a filter. The clear solution is evaporated to drynes» in a porcelain capsule, and the dry mass is heated to redness in a crucible of platinum, in... | |
 | John Lee Comstock - Chemistry - 1836 - 366 pages
...dilute muriatic acid, and the so' lution evaporated to perfect dryness. The soluble parts are vaken up in hot water ; an excess of the carbonate of ammonia...excepting the fixed alkali, are collected on a filter. Th« clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated to... | |
 | Edward Turner - Chemistry - 1840 - 696 pages
...solution evaporated to perfect dryness. The soluble parts are taken up in hot water ; an excess of carbonate of ammonia is added ; and the insoluble...mineral, excepting the fixed alkali, are collected on a 61ter. The clear solution is evaporated to dryness in a porcelain capsule, and the dry mass is heated... | |
 | John Johnston - Chemistry - 1843 - 586 pages
...solution evaporated to perfect dryness. The soluble parts are taken up in hot water ; an excess of carbonate of ammonia is added ; and the insoluble...platinum, in order to expel the salts of ammonia. This residue is chloride of potassium or sodium. In this analysis, it generally happens that traces... | |
 | John Johnston - Chemistry - 1846 - 496 pages
...the solution evaporated to perfect dryness. The soluble parts are taken up in hot water; an excess of carbonate of ammonia is added ; and the insoluble...platinum, in order to expel the salts of ammonia. This residue is chloride of potassium or sodium. The analysis is attended with considerable inconvenience... | |
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The soluble parts are taken up in hot water; an excess of the carbonate of ammonia is added; and the insoluble matters, consisting of silica, carbonate of baryta, and all the constituents of the mineral, excepting the fixed alkali, are collected on a... 