Chemical News and Journal of Physical Science, Tom 106Chemical news office., 1912 |
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Strona 8
... silver - alloy first obtained in the regular course of assay is parted in strong sulphuric acid and the residual metal weighed . This is re - alloyed with silver by a second cupellation and parted in nitric acid , the residual metal ...
... silver - alloy first obtained in the regular course of assay is parted in strong sulphuric acid and the residual metal weighed . This is re - alloyed with silver by a second cupellation and parted in nitric acid , the residual metal ...
Strona 9
... silver | parting in nitric acid must be alloyed with silver and parted from the parting solution , a very dilute solution of hydrogen in nitric acid a second , or even a third time , before pro- sulphide should be used . One part of a ...
... silver | parting in nitric acid must be alloyed with silver and parted from the parting solution , a very dilute solution of hydrogen in nitric acid a second , or even a third time , before pro- sulphide should be used . One part of a ...
Strona 14
... Silver Refiners , & c . , 40 and 42 , CLERKENWELL ROAD , E.O. Photographic Residues Reduced and Purchased . OZONE APPARATUS for the LABORATORY . 12 Page Illustrated Pamphlet , fully describing various forms of Apparatus and method of ...
... Silver Refiners , & c . , 40 and 42 , CLERKENWELL ROAD , E.O. Photographic Residues Reduced and Purchased . OZONE APPARATUS for the LABORATORY . 12 Page Illustrated Pamphlet , fully describing various forms of Apparatus and method of ...
Strona 16
... silver oxide surface , every collision results in the destruction of the ozone molecule concerned . 2. An active nitrogen molecule must , on the average , collide 500 times with an oxidised copper surface before it is destroyed . 3. Two ...
... silver oxide surface , every collision results in the destruction of the ozone molecule concerned . 2. An active nitrogen molecule must , on the average , collide 500 times with an oxidised copper surface before it is destroyed . 3. Two ...
Strona 20
... Silver in Presence of Alkaline Haloid Salts . A. Seyewetz . - Quinone reacts with silver in presence of alkaline bromides to give an oxybromide of silver of formula Ag5Bry + Ag2O . It can be crystallised from ammonia in the form of ...
... Silver in Presence of Alkaline Haloid Salts . A. Seyewetz . - Quinone reacts with silver in presence of alkaline bromides to give an oxybromide of silver of formula Ag5Bry + Ag2O . It can be crystallised from ammonia in the form of ...
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