A Manual of Qualitative Chemical Analysis |
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Page 120
... reducing flame , it is converted into the black oxide Fe ̧0 : both of these compounds remain infusible . Iron salts give no characteristic reaction with nitrate of cobalt before the blow- pipe , and impart no colour to the flame ; but ...
... reducing flame , it is converted into the black oxide Fe ̧0 : both of these compounds remain infusible . Iron salts give no characteristic reaction with nitrate of cobalt before the blow- pipe , and impart no colour to the flame ; but ...
Page 124
... reduction " is applied to any such transformation from a higher state of combination to a lower one . The principal insoluble ferric salts are these , -the chromate , the hydrate , the sulphide , the carbonate , the oxalate , the ferro ...
... reduction " is applied to any such transformation from a higher state of combination to a lower one . The principal insoluble ferric salts are these , -the chromate , the hydrate , the sulphide , the carbonate , the oxalate , the ferro ...
Page 127
... that , if this impurity be re- moved by sulphurous acid or an appropriate reducing agent , the salt is decolorized . Manganic salts are red . Salts of manganese , when heated before the blowpipe , SALTS OF MANGANESE . 127.
... that , if this impurity be re- moved by sulphurous acid or an appropriate reducing agent , the salt is decolorized . Manganic salts are red . Salts of manganese , when heated before the blowpipe , SALTS OF MANGANESE . 127.
Page 128
... reducing flame , the glass becomes pink , and finally colourless , by reason of the reduc- tion of the salt to the state of protoborate : this is much facili- tated by the addition of a little metallic tin . : These There are other ...
... reducing flame , the glass becomes pink , and finally colourless , by reason of the reduc- tion of the salt to the state of protoborate : this is much facili- tated by the addition of a little metallic tin . : These There are other ...
Page 132
... reducing and oxidizing flames . COBALTOUS SALTS , OR PROTO - SALTS OF COBALT . Solution for the reactions : -nitrate of cobalt ( CoNO1 ) in water . The principal insoluble cobaltous salts are these , -- the cyanide , the chromate , the ...
... reducing and oxidizing flames . COBALTOUS SALTS , OR PROTO - SALTS OF COBALT . Solution for the reactions : -nitrate of cobalt ( CoNO1 ) in water . The principal insoluble cobaltous salts are these , -- the cyanide , the chromate , the ...
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MANUAL OF QUALITATIVE CHEMICAL A. Beauchamp Northcote,A. H. (Arthur Harry) 1865-1937 Church No preview available - 2016 |
Common terms and phrases
acetic acid-radical action added addition alcohol alkaline ammonium salts anhydride antimony appear arsenic barium basic becomes bismuth blowpipe blue bodies boiling bromine brown calcium carbonate characteristic charcoal chemical chloride chromate cobalt cold colour combinations composition compound concentrated constitution containing converted copper crystalline crystals cupric cyanide decomposed decomposition dilute dissolves easily elements employed excess exist ferric ferrocyanide flame formation formula fused give green heated hydrate of ammonium hydrate of potassium hydrochloric acid hydrogen hydrosulphuric acid impart insoluble in water insoluble salts iodide iron known latter lead salts liquid magnesium MERCUROUS SALT metal mixed neutral nitrate nitric acid obtained occurs ordinary oxalic oxide oxygen passing phosphate platinum powder prepared present produced properties quantity radical reactions readily reagents recognized reducing resemblance separation silver sodium soluble solution subdivision substance sulphate sulphide sulphuric acid temperature tests volatile white precipitate yellow yield zinc
Popular passages
Page 428 - Nearly six hundred families are noticed in this work, and besides the several descriptions of fish. fishing-nets. and boats. are included also mermaids, tritons, and shell-fish. Nearly seventy ancient seals are described, and upwards of twenty subjects in stained glass.
Page 427 - Eggs in this edition are from different specimens to those figured in the previous editions. Systematic Catalogue of the Eggs of British Birds, arranged with a View to supersede the use of Labels for Eggs. By the Rev. SC MALAN, MA, MAS On writing-paper. 8vo, 8s. 6d.