Elementary instruction in chemical analysis [tr. from Anleitung zur qualitativen chemischen Analyse] ed. by J.L. Bullock |
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Página 14
... , barely visible mantle . The hottest part of the flame is at the apex of the inner cone . Difficultly fusible bodies are exposed to this part to effect their fusion ; but bodies to be oxidized are held 14 [ § 13 . THE USE OF THE BLOWPIPE .
... , barely visible mantle . The hottest part of the flame is at the apex of the inner cone . Difficultly fusible bodies are exposed to this part to effect their fusion ; but bodies to be oxidized are held 14 [ § 13 . THE USE OF THE BLOWPIPE .
Página 27
... difficultly soluble salt with potassa , but not so with soda ; it is , therefore , one of our best reagents to distinguish between the two alkalies . b . HYDROGEN ACIDS AND HALOGENS . $ 24 . 1. HYDROCHLORIC ACID ( HCl ) . Preparation ...
... difficultly soluble salt with potassa , but not so with soda ; it is , therefore , one of our best reagents to distinguish between the two alkalies . b . HYDROGEN ACIDS AND HALOGENS . $ 24 . 1. HYDROCHLORIC ACID ( HCl ) . Preparation ...
Página 43
... hydrosulphuric acid , nor by sulphide of ammonium . Uses . - Oxalic acid forms with lime , strontia , baryta , oxide of lead , and other metallic oxides , insoluble or very difficultly soluble §§ 40-42 . ] 43 SULPHATE OF POTASSA .
... hydrosulphuric acid , nor by sulphide of ammonium . Uses . - Oxalic acid forms with lime , strontia , baryta , oxide of lead , and other metallic oxides , insoluble or very difficultly soluble §§ 40-42 . ] 43 SULPHATE OF POTASSA .
Página 44
... difficultly permeable paper with turned - up edges , and wash by pouring small quantities of water on the paper disc , until the filtrate , when acidified with nitric acid , is not rendered turbid by solution of nitrate of silver , nor ...
... difficultly permeable paper with turned - up edges , and wash by pouring small quantities of water on the paper disc , until the filtrate , when acidified with nitric acid , is not rendered turbid by solution of nitrate of silver , nor ...
Página 46
... difficultly soluble , and many of them exhibit characteristic colors which lead readily to the detection of the particular metal which they respectively contain . We use bichromate of potassa principally as a test for lead . $ 49 . 10 ...
... difficultly soluble , and many of them exhibit characteristic colors which lead readily to the detection of the particular metal which they respectively contain . We use bichromate of potassa principally as a test for lead . $ 49 . 10 ...
Palavras e frases frequentes
acetic acid acid solution addition alcohol alkaline earths alkaloids alumina ammonia antimony arsenic arsenious acid baryta bismuth blowpipe boiling carbonate of soda carbonic acid chloric acid chloride of ammonium chloride of barium cloth cobalt color colorless compounds contains copper crystalline crystals cyanide cyanide of potassium decomposed decomposition detection difficultly dilute solutions dissolves readily dryness ether evaporate examination excess ferrocyanide filter filtrate flame fluid heat hydrate hydrochloric acid hydrosulphuric acid ignition insoluble latter lead lime magnesia mercury metallic mixed mixture neutral nickel nitrate of silver nitric acid oxalic acid oxide phosphoric acid platinum portion powder PRECIPITATE IS FORMED quantity quina reaction reagent redissolves residue separation sesquioxide sesquioxide of chromium sesquioxide of iron silicic acid soluble in water solution of soda solutions of salts strontia strychnia suboxide substance sulphate sulphide sulphide of ammonium sulphuric acid tartaric acid teroxide tersulphide tint tion tube undissolved wash whilst white precipitate yellow zinc
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