Elementary instruction in chemical analysis [tr. from Anleitung zur qualitativen chemischen Analyse] ed. by J.L. Bullock |
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Página xii
... sesquioxide of chromium , §99 77 Special reactions . · 53 53 · 54 · 54 • 55 · 55 55 56 a . Alumina , § 100 . • 56 56 Titanic acid , § 103 FOURTH GROUP . MATTERS AND INDIF- FERENT VEGETABLE SUBSTANCES , $ 73 57 1. Test papers . a . Blue ...
... sesquioxide of chromium , §99 77 Special reactions . · 53 53 · 54 · 54 • 55 · 55 55 56 a . Alumina , § 100 . • 56 56 Titanic acid , § 103 FOURTH GROUP . MATTERS AND INDIF- FERENT VEGETABLE SUBSTANCES , $ 73 57 1. Test papers . a . Blue ...
Página xiv
... sesquioxide of chromium , oxide of zinc , protoxide of manga- nese , protoxide of nickel , protoxide of cobalt , proto- and sesquioxide of iron , and also of those salts of the alkaline earths which are precipi- tated by ammonia from ...
... sesquioxide of chromium , oxide of zinc , protoxide of manga- nese , protoxide of nickel , protoxide of cobalt , proto- and sesquioxide of iron , and also of those salts of the alkaline earths which are precipi- tated by ammonia from ...
Página 7
... sesquioxide of iron and lime . The common filtering paper of commerce seldom comes up to our wants in this respect , and I would therefore always recommend to wash it carefully with dilute hydrochloric acid whenever it is intended for ...
... sesquioxide of iron and lime . The common filtering paper of commerce seldom comes up to our wants in this respect , and I would therefore always recommend to wash it carefully with dilute hydrochloric acid whenever it is intended for ...
Página 10
... substances are ignited simply for the purpose of modifying their state , without any volatilization taking place ; thus the sesquioxide of chro- mium is converted by ignition into its insoluble modification , 10 [ § 9 . IGNITION .
... substances are ignited simply for the purpose of modifying their state , without any volatilization taking place ; thus the sesquioxide of chro- mium is converted by ignition into its insoluble modification , 10 [ § 9 . IGNITION .
Página 20
... sesquioxide of iron and oxide of copper , & c . I need hardly mention that , as a general rule , reagents must be che- mically pure - i.e . , they must consist purely and simply of their essential We constituents , and must contain no ...
... sesquioxide of iron and oxide of copper , & c . I need hardly mention that , as a general rule , reagents must be che- mically pure - i.e . , they must consist purely and simply of their essential We constituents , and must contain no ...
Palavras e frases frequentes
acetic acid added addition alcohol alkaline ammonia antimony appears application arsenic arsenious acid baryta bases binoxide bismuth blowpipe blue bodies boiling carbonate of soda chloride chloride of ammonium cobalt cold color colorless completely compounds concentrated consists contains converted cooling copper crystals decomposed detection directed dissolves drop effect evaporate examination excess fails filter filtrate flame fluid formation fused glass heat hydrate hydrochloric acid hydrosulphuric acid ignition indicates insoluble latter lead lime magnesia mass means mercury metallic method mixed mixture neutral nitrate of silver nitric acid obtained odor oxalic oxide phosphate platinum portion potassa powder precipitate presence produces protoxide pure quantity reaction readily reagent reduced remains remove residue salts separation silicic acid silver soluble in water solution substance sulphate sulphide sulphide of ammonium sulphuric acid tint tion treat tube volatile wash whilst white precipitate yellow zinc
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