... sp. gr.), heat applied gently, then 160 cc of a mixture of equal parts of nitric acid and water added, care being taken to keep down the temperature. In this way a solution of known strength is got, and little difficulty will be experienced in using... Quarterly Journal of the Chemical Society of London - Page 437by Chemical Society (Great Britain) - 1893Full view - About this book
| British Pharmaceutical Conference - 1894 - 630 pages
...indicated by an immediate blue coloration. Estimation of Lead in Ores. AH Low. (Chemical Neii-s, Ixvii. 178, 179.) 1 gram of ore is heated carefully with...nitric acid is then expelled by boiling with 10 cc of concentrated sulphuric acid, and, when cool, 10 cc of pure dilute sulphuric acid (1 : 9) and about... | |
| Chemistry - 1872 - 670 pages
...molybdate of ammonia are dissolved in 40 cc of ammonia (о'дб sp. gr.), heat applied gently, then 160 cc of a mixture of equal parts of nitric acid and water added, care being taken to keep down the temperature. In this way a solution of known strength is got,... | |
| Chemistry - 1872 - 664 pages
...molybdate of ammonia are dissolved in 40 cc of ammonia (о'дб sp. gr.), heat applied gently, then 160 cc of a mixture of equal parts of nitric acid and water added, care being taken to keep down the temperature. In this way a solution of known strength is got,... | |
| Royal Philosophical Society of Glasgow - Science - 1873 - 542 pages
...of ammonia are dissolved by gently heating in 40 cc of ammonia (-96 sp. gr.), and mixing it with 160 cc of a mixture of equal parts of nitric acid and water, care being taken to keep down the temperature. In this manner a solution of known strength is got,... | |
| William Crookes - Analytical chemistry - 1886 - 782 pages
...ammonium molybdate are dissolved in 40 cc of ammonia (0'96 sp. gr.), heat applied gently, then 160 cc of a mixture of equal parts of nitric acid and water added, care being taken to keep down the temperature. In this way a solution of known strength is obtained,... | |
| 1910 - 996 pages
...outlines the following test for metallic mercury in calomel : 1 gm. of the suspected material is shaken with 10 cc. of a mixture of equal parts of nitric acid (25 per cent) and water, filtering and treating the filtrate with hydrogen sulphide. No blackening... | |
| 1912 - 132 pages
...out as follows: From 0.3 gm. to 0.5 gm. of calcium glycerophosphate is weighed into a Kjeldahl flask, 10 cc of a mixture of equal parts of nitric acid and sulphuric acid added, the mixture heated until oxidation is complete, a little more of the acid mixture... | |
| British Pharmaceutical Conference - 1894 - 630 pages
...indicated by an immediate blue coloration. Estimation of Lead in Ores. AH Low. (Chemical News, Ixvii. 178, 179.) 1 gram of ore is heated carefully with 10 cc of a mixture of equal parts of nitrie acid and water until pretty well decomposed ; the nitric acid is then expelled by boiling with... | |
| |