 | 1830 - 496 стор.
...during a series of years, without seeing any occasion to wish for further improvement. The usual means of giving chemical purity to this metal, by solution...account which I gave in the Philosophical Transactions for 1804, of a new ir^etal, Rhodium, contained in crude platina, I have mentioned this precaution,... | |
 | 1829 - 906 стор.
...during a series of years, without seeing any occasion to wish for further improvement. The usual means of giving chemical purity to this metal, by solution...sufficient care is usually taken to avoid dissolving the indium contained in the ore, by due dilution of the solvent. In an account which I gave in the Philosophical... | |
 | 1830 - 484 стор.
...series of years, without seeing any occasion to wish for further improvement. • i The usual means of giving chemical purity to this metal, by solution...account which I gave in the Philosophical Transactions for 1804, of a new metal, rhodium, contained in crude platina, I have mentioned this -precaution, but... | |
 | William Thomas Brande - 1830 - 784 стор.
...purity to this metal, bj . , solution in aqua regia and precipitation with sal ammoniac, are k nuu n to every chemist ; but I doubt whether sufficient...account which I gave in the Philosophical Transactions for 1804, of a new metal, Rhodium, contained in crude platina, I have mentioned this precaution, but... | |
 | Gill's scientific, technological and microscopic repository - 1830 - 420 стор.
...purpose, during a series of years, without seeing any occasion for further improvement. The usual means of giving chemical purity to this metal, by solution in aqua regia, and precipitation wth sal ammoniac, are known to every chemist ; but I doubt whether sufficient care is usually taken... | |
 | Royal Society (Great Britain) - 1833 - 502 стор.
...purified by solution in aqua regia, and precipitation with sal-ammoniac, sufficient care is seldom taken to avoid dissolving the iridium contained in the ore by due dilution of the solvent. The author states the exact degree of dilution requisite for this purpose, and the exact proportions... | |
 | Royal Society (Great Britain) - 1833 - 486 стор.
...purified by solution in aqua regia, and precipitation with sal-ammoniac, sufficient care is seldom taken to avoid dissolving the iridium contained in the ore by due dilution of the solvent. The author states the exact degree of dilution requisite for this purpose, and the exact proportions... | |
 | 1841 - 488 стор.
...purity to this metal by solution in nitromuriatic acid, and precipitation by muriate of ammonia, is known to every chemist ; but I doubt whether sufficient...account which I gave in the Philosophical Transactions in 1804, of a new metal (rhodium) contained in crude platina, I have mentioned this precaution, but... | |
 | 1829 - 512 стор.
...during a series of years, without seeing any occasion to wish for further improvement. The usual means of giving chemical purity to this metal, by solution...account which I gave in the Philosophical Transactions for 1 804, of a new metal, rhodium, contained in crude platina, I have mentioned this precaution, but... | |
 | Royal Society (Great Britain) - 1829 - 604 стор.
...during a series of years, without seeing any occasion to wish for further improvement. The usual means of giving chemical purity to this metal, by solution...sufficient care is usually taken to avoid dissolving the Indium contained in the ore, by due dilution of the solvent. In an account which I gave in the Philosophical... | |
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The usual means of giving chemical purity to this metal, by solution in aqua regia and precipitation with sal ammoniac, are known to every chemist ; but I doubt whether sufficient care is usually taken to avoid dissolving the iridium contained in the... 
