Chemical News and Journal of Physical Science, Tom 114Chemical news office., 1916 |
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Strona 4
... sodium bisulphite and the aldehyde . bisulphite compound crystallisel out . This was filtered and By ALEXANDER SMITH , Columbia University , New York City . pressed out on a clay plate . The best method for the resolution of this into ...
... sodium bisulphite and the aldehyde . bisulphite compound crystallisel out . This was filtered and By ALEXANDER SMITH , Columbia University , New York City . pressed out on a clay plate . The best method for the resolution of this into ...
Strona 7
... sodium hyposul . phite , a reducing agent ( bleaches indigo in the dye vat ) , and sodium hydroxide , a base ( bleaches blue prints ) . Each of these substances can be used for bleaching , but the bleaching is an application of one of ...
... sodium hyposul . phite , a reducing agent ( bleaches indigo in the dye vat ) , and sodium hydroxide , a base ( bleaches blue prints ) . Each of these substances can be used for bleaching , but the bleaching is an application of one of ...
Strona 16
... sodium hydroxide . Reagents . - Pure silver , water , and reagents were pre- pared exactly_as_recently described in the account of similar work by Baxter and Stewart on praseodymium chloride ( Fourn . Am . Chem . Soc . , 1915 , xxxvii ...
... sodium hydroxide . Reagents . - Pure silver , water , and reagents were pre- pared exactly_as_recently described in the account of similar work by Baxter and Stewart on praseodymium chloride ( Fourn . Am . Chem . Soc . , 1915 , xxxvii ...
Strona 20
... sodium sulphite and 20 cc . of N / 5 ammoniacal zinc chloride , contained in a 200 cc . Erlenmeyer flask , pipette ... sodium sulphite is present it is well to measure in slightly different amounts in duplicate determinations , in which ...
... sodium sulphite and 20 cc . of N / 5 ammoniacal zinc chloride , contained in a 200 cc . Erlenmeyer flask , pipette ... sodium sulphite is present it is well to measure in slightly different amounts in duplicate determinations , in which ...
Strona 21
... sodium sulphite and ammonia , boil a sufficient length of time , and then to add both ammoniacal zinc chloride and strontium chloride , after which the determination was completed as in the regular method . This procedure is more rapid ...
... sodium sulphite and ammonia , boil a sufficient length of time , and then to add both ammoniacal zinc chloride and strontium chloride , after which the determination was completed as in the regular method . This procedure is more rapid ...
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