Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
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Strona 1
... nitrate of lead . He obtained , or at least claimed to have obtained , an addition product of two molecules of NO2 to one molecule of rubber of the formula C10H16N204 in a polymeric form . The com- pound would have to be classed as a ...
... nitrate of lead . He obtained , or at least claimed to have obtained , an addition product of two molecules of NO2 to one molecule of rubber of the formula C10H16N204 in a polymeric form . The com- pound would have to be classed as a ...
Strona 2
... nitrate mixture , especially unsatisfactory in presence of a large percentage of mineral matter . The precipitate ... nitrate solution is added , and the mixture gently heated . The nitric acid has to be replaced from time to time , and ...
... nitrate mixture , especially unsatisfactory in presence of a large percentage of mineral matter . The precipitate ... nitrate solution is added , and the mixture gently heated . The nitric acid has to be replaced from time to time , and ...
Strona 17
... nitrate solution in acetone and titrating the excess of silver present with a standard acetone solution of ammonium sulpho- cyanate , using a ferric salt as indicator . Ferric nitrate crystallised from fuming nitric acid , then ...
... nitrate solution in acetone and titrating the excess of silver present with a standard acetone solution of ammonium sulpho- cyanate , using a ferric salt as indicator . Ferric nitrate crystallised from fuming nitric acid , then ...
Strona 18
... nitrate , lanthanum nitrate , cerium nitrate , or neodymium nitrate , a heavy white precipitate forms which contains varying amounts of earths , nitric acid , ammonia , and acetone , the first and last named being the highest in ...
... nitrate , lanthanum nitrate , cerium nitrate , or neodymium nitrate , a heavy white precipitate forms which contains varying amounts of earths , nitric acid , ammonia , and acetone , the first and last named being the highest in ...
Strona 20
... nitrate . The well - known blackening of this salt on warming takes place most readily in the presence of excess of sodium thiosul- phate according to the equation- PbS2O3 + 3 Na2S2O3 = PbS + 4S + 3Na2SO4 . Without the sodium salt the ...
... nitrate . The well - known blackening of this salt on warming takes place most readily in the presence of excess of sodium thiosul- phate according to the equation- PbS2O3 + 3 Na2S2O3 = PbS + 4S + 3Na2SO4 . Without the sodium salt the ...
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