Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
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Strona 3
... mixture slowly heated to 75 ° , when the formation of gold - like scales commences : this continues for some hours , until nearly all vanadium has separated as meta- vanadic acid , and only a trace is left in solution . The precipitate ...
... mixture slowly heated to 75 ° , when the formation of gold - like scales commences : this continues for some hours , until nearly all vanadium has separated as meta- vanadic acid , and only a trace is left in solution . The precipitate ...
Strona 10
... mixture of sulphate and of basic chromate of lead , the colour passing into a fiery vermillion . The quantity obtained is about equal to the carbonate of lead employed . Accord- ing to M. Prinvault , nitric or acetic acid may be used in ...
... mixture of sulphate and of basic chromate of lead , the colour passing into a fiery vermillion . The quantity obtained is about equal to the carbonate of lead employed . Accord- ing to M. Prinvault , nitric or acetic acid may be used in ...
Strona 12
... mixture of mono - chloracetic acid with strychnine at 180 ° C. for several hours , and obtained a new base : that he combined with platinic chloride , giving the salt C23H2404NHCI.PtC12 . The free base- C21H22NO2 = Ń ch , co CH2 - CO.OH ...
... mixture of mono - chloracetic acid with strychnine at 180 ° C. for several hours , and obtained a new base : that he combined with platinic chloride , giving the salt C23H2404NHCI.PtC12 . The free base- C21H22NO2 = Ń ch , co CH2 - CO.OH ...
Strona 16
... mixture of cyanate and cyanurate of the base gene- rated . By dry distillation cyamelide is again converted into cyanic acid . The artificial production of urea , a product of the human body , from ammonium cyanate , marked a new era in ...
... mixture of cyanate and cyanurate of the base gene- rated . By dry distillation cyamelide is again converted into cyanic acid . The artificial production of urea , a product of the human body , from ammonium cyanate , marked a new era in ...
Strona 21
... mixture of two of Perkin . isomers of alizarin distinguished by their behaviour with bases . The one forms a soda salt very soluble in water ; it dissolves in baryta water , which it colours a deep orange yellow , combines with ...
... mixture of two of Perkin . isomers of alizarin distinguished by their behaviour with bases . The one forms a soda salt very soluble in water ; it dissolves in baryta water , which it colours a deep orange yellow , combines with ...
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