 | Edward Turner - Chemistry - 1828 - 516 pages
...Analysis 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...filtering, for example, is one on which the success of analyses materially depends. Filtration is effected by means of a glass funnel, into which a filter,... | |
 | Edward Turner - Chemistry - 1828 - 516 pages
...completely precipitated cither by ammonia or its carbonate; and, therefore, some of it remains wiil) the fixed alkali. The best mode with which I am acquainted...acetate of the alkali is then brought to dryness, igniter], and by the addition of sulphate of ammonia is converted into a sulphate. In the preceding... | |
 | Chemistry - 1828 - 664 pages
...dropped into the liquid, until all the magnesia is thrown down in the form of the ammoniaco-masínesian phosphate The excess of phosphoric acid is afterwards...the preceding account, several operations have been al- Filtration. luded to, which, from their importance, deserve more particular mention. The process... | |
 | Edward Turner - Chemistry - 1829 - 508 pages
...baryta may also be thrown down as a sulphate by sulphuric acid, in which case, the soda or polassa is procured in combination with that acid. The analysis...filtering, for example, is one on which the success of analyses materially depends. Filtration is effected by means of a glass funnel, into which a filter,... | |
 | Jacob Green - Chemistry - 1829 - 626 pages
...in the form of ammoiaco-magnesian phosphate. The excess of phosphoric ncid is afterwards removed by acetate of lead, and that of lead by sulphuretted...ignited, and by the addition of sulphate of ammonia converted into a sulphate. In the preceding account, several operations have been alluded to, which,... | |
 | Edward Turner - Chemistry - 1830 - 616 pages
...the form of amnioniaco-rnagnesiim phosphate. The excess of phosphoric acid is afterwards removed by acetate of lead, and that of lead by sulphuretted...ignited, and by the addition of sulphate of ammonia converted into • "ulphate. The process of filtering, for example, is one on which the success of... | |
 | John Lee Comstock - Chemistry - 1831 - 366 pages
...some of it remains with the fixed alkali. The best mode with which I air. acquainted for effecting ita separation, is the following. The carbonate of ammonia...filtering, for example, is one on which the success of analyses materially depends. Filtration is effected by means of a glass funnel, into.which a filter,... | |
 | Edward Turner - Chemistry - 1835 - 714 pages
...exeess of phosphorie aeid by aeetate of lead, and that of lead by hydrosulphurie aeid. The aeetate of the alkali is then brought to dryness, ignited, and by the addition of sulphate of ammonia eonverted into a sulphate. In the preeeding aeeount, several operations have been alluded to, whieh,... | |
 | John Johnston - Chemistry - 1843 - 586 pages
...solution the excess of phosphoric acid by acetate of lead, and that of lead by hydrosulphuric acid. The acetate of the alkali is then brought to dryness,...ignited, and by the addition of sulphate of ammonia converted into a sulphate. SECTION III. ANALYSIS OF MINERAL WATERS. RAIN water collected in clean vessels... | |
 | John Johnston - Chemistry - 1846 - 496 pages
...solution the excess of phosphoric acid by acetate of lead, and that of lead by hydrosulphuric acid. The acetate of the alkali is then brought to dryness,...ignited, and by the addition of sulphate of ammonia converted into a sulphate. In this analysis, it generally happens that traces of manganese, and sometimes... | |
| |
I am acquainted for effecting its separation, is the following. The carbonate of ammonia is first added, and the phosphoric acid is dropped into the liquid, until all the magnesia is thrown down in the form of the ammoniaco-magnesian phosphate. The excess... 