 | Edward Turner - 1828 - 516 pagina’s
...which Vauquelin made the discovery of chromium. Chromates of Potassa. — The chromate of potassa, from which all the compounds of chromium are directly...chromium and iron, commonly called chromate of iron, with an equal weight of the nitrate of potassa, when the chromic acid is generated, and unites with the... | |
 | Jacob Green - 1829 - 626 pagina’s
...then precipitate the green oxide by ammonia. Salts. Chromates of Potassa. — The chromate of potassa, from which all the compounds of chromium are directly...chromium and iron, commonly called chromate of iron, with an equal weight of the nitrate of potassa, when the chromic acid is generated, and unites with the... | |
 | Edward Turner - 1830 - 616 pagina’s
...potassa, from which all the compounds of chromium are directly or indirectly prepared, is made by healing to redness the native oxide of chromium and iron, commonly called chromate of iron, with an equal weight of nitrate of potassa, when chromic acid is generated, and unites with the alkali of... | |
 | Edward Turner - 1830 - 588 pagina’s
...which Vauquelin made the discovery of chromium. Chromates of Potassa. — The chromate of potassa, from which all the Compounds of chromium are directly or indirectly prepared, is made by healing to redness the native oxide of chromium and iron, commonly called chromate of iron, with an... | |
 | Edward Turner - 1832 - 638 pagina’s
...lead from Siberia, in the examination of which Vauquelin made the discovery of chromium. Chromâtes of Potassa. — The neutral chromate, from which all...generated, and unites with the alkali of the nitre. The object to be held in view is to employ so small a proportion of nitre, that the whole of its potassa... | |
 | John White Webster - 1839 - 592 pagina’s
...is then decomposed, a green solution of the chloride of chromium being generated. 1463. Chromâtes of Potassa. The neutral chromate from which all the...to redness the native oxide of chromium and iron, chromate ef iron, with nitrate of potassa (1077), when chromic acid is generated, and unites with the... | |
 | Edward Turner - 1840 - 696 pagina’s
...discovery of chromium. Chromates of Potassa. — The neutral chromate from which all the com. pounds of chromium are directly or indirectly prepared, is...generated, and unites with the alkali of the nitre. The object to be held in view is to employ so small a proportion of nitre, that the whole of the alkali... | |
 | John Johnston - 1843 - 586 pagina’s
...in the examination of which Vauquelin made the discovery of chromium. 865. Chromate of f'otassa. — The neutral chromate, from •which all the compounds...generated, and unites with the alkali of the nitre. The object to be held in view is to employ so small a proportion of nitre, that the whole of the alkali... | |
 | John Johnston - 1846 - 496 pagina’s
...lead from Siberia, in the examination of which Vauquelin made the discovery of chromium. 865. Chromate of Potassa. — The neutral chromate, from which all...generated, and unites with the alkali of the nitre. The object to be held in view is to employ so small a proportion of nitre, that the whole of the alkali... | |
 | John Johnston - 1848 - 492 pagina’s
...examination of which Vauquelin made the discovery of chromium. 865. Chromate of Potassa. — The nentral chromate, from which all the compounds of chromium...generated, and unites with the alkali of the nitre.' The object to be held in view is to employ so small a proportion of nitre, that the whole of the alkali... | |
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Chromate of Potassa. — The neutral chromate, from which all the compounds of chromium are directly or indirectly prepared, is made by heating to redness the native oxide of chromium and iron, commonly called chromate of iron,* with nitrate of potassa,... 