 | John Jay Smith - 1836 - 612 pagini
...arsenic. It retained its colour until it stained the filter yellow. If there were arsenic enough to abide that test, I should expect to find enough to...in this case as negative and fallacious. I did not, I believe, reduce the arsenic to metal. Christison says, the alliaceous odour is not to be depended... | |
 | John Jay Smith - 1836 - 620 pagini
...arsenic. It retained its colour until it stained the fiiter yellow. If there were arsenic enough to abide that test, I should expect to find enough to...final and metallic test. I applied the test of nit. stiver. It threw down a precipitate not characteristic. So of sulph. copper. The true characteristic... | |
 | 1843 - 626 pagini
...filter yellow. If there were arsenic enough to ahide that test, I should expect to find enough to ahide the final and metallic test. I applied the test of...stated that I considered the liquid tests used in this ease as negative and fallacious. I did not, I helieve, reduce the arsenic to metal. Christison says,... | |
 | 1847 - 616 pagini
...arsenic. It retained its colour until it stained the filter yellow. If there were arsenic enough to abide that test, I should expect to find enough to...copper. The true characteristic colour of arsenite ot copper is a grass green. The actual precipitate was an imperfect grass green. I stated that I considered... | |
 | John Davison Lawson - 1916 - 944 pagini
...arsenic. It retained its color until it stained the filter yellow. If there were arsenic enough to abide that test, I should expect to find enough to...characteristic. So of sulph. copper. The true characteristic color of arsenite of copper is a grass green. The actual precipitate was an imperfect grass green.... | |
 | John Davison Lawson - 1916 - 944 pagini
...arsenic. It retained its color until it stained the filter yellow. If there were arsenic enough to abide that test, I should expect to find enough to...characteristic. So of sulph. copper. The true characteristic color of arsenite of copper is a grass green. The actual precipitate was an imperfect grass green.... | |
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... it is often necessary to evaporate the liquid to a certain degree to obtain a precipitate, even when arsenic is present. As far as the precipitate was concerned, the test was characteristic enough of arsenic. It retained its colour until it stained... 