Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 7
... solution at the boiling point by means of a Bunsen burner , and when the introduction of the sodium is complete boil the solution gently for one hour longer . Taking into account the fact that the four substances used are among the most ...
... solution at the boiling point by means of a Bunsen burner , and when the introduction of the sodium is complete boil the solution gently for one hour longer . Taking into account the fact that the four substances used are among the most ...
Strona 14
... solution rather more quickly than the chloride . Diazoiodide solutions even when very dilute decompose much quicker , and nitrobenzene diazonium solutions also decompose rather more quickly in very concentrated solu- tions ; acids do ...
... solution rather more quickly than the chloride . Diazoiodide solutions even when very dilute decompose much quicker , and nitrobenzene diazonium solutions also decompose rather more quickly in very concentrated solu- tions ; acids do ...
Strona 16
... solution , an equivalent amount of hydrogen being set free . The resulting ferrous hydroxide in solution betrays its presence by producing a pink coloration with the phenolphthalein indicator . In every experiment made the pink colour ...
... solution , an equivalent amount of hydrogen being set free . The resulting ferrous hydroxide in solution betrays its presence by producing a pink coloration with the phenolphthalein indicator . In every experiment made the pink colour ...
Strona 17
... solution of copper sulphate , a ten- second immersion is sufficient to plate it with a distinctly visible coating of copper which cannot be wiped off . similar polished strip of steel which has been soaked over- night in a concentrated ...
... solution of copper sulphate , a ten- second immersion is sufficient to plate it with a distinctly visible coating of copper which cannot be wiped off . similar polished strip of steel which has been soaked over- night in a concentrated ...
Strona 19
... solution does not remain in combination with hydrochloric acid ; its basic function is , therefore , of the order of caffeine . Cocaine is a relatively strong base , although weaker than ammonia ; the effect produced by the substitution ...
... solution does not remain in combination with hydrochloric acid ; its basic function is , therefore , of the order of caffeine . Cocaine is a relatively strong base , although weaker than ammonia ; the effect produced by the substitution ...
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