Instruction in chemical analysis, quantitative [tr. and] ed. by J.L. Bullock |
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Página 52
... pure bichromate of potassa , thoroughly freed from water by fusion at a gentle heat , adding some water , evaporating cautiously , drying at 392 ° F. , and calculating the amount of water by the diminution of weight . This method , cer ...
... pure bichromate of potassa , thoroughly freed from water by fusion at a gentle heat , adding some water , evaporating cautiously , drying at 392 ° F. , and calculating the amount of water by the diminution of weight . This method , cer ...
Página 81
... pure sulphuric acid . 7. Dilute sulphuric acid . For the preparation , & c . , of the three sorts , see " Qual . Anal . " 2. NITRIC ACID . We require- a . Pure nitric acid of 1 · 2 sp . gr . ( see " Qual . Anal . " ) . b . Red fuming ...
... pure sulphuric acid . 7. Dilute sulphuric acid . For the preparation , & c . , of the three sorts , see " Qual . Anal . " 2. NITRIC ACID . We require- a . Pure nitric acid of 1 · 2 sp . gr . ( see " Qual . Anal . " ) . b . Red fuming ...
Página 84
... pure for analytical purposes . The following is the most convenient mode of preparing pure copper precipitate the metal from a solution of the sulphate by a clean iron plate , free the precipitated copper from the iron by boiling with ...
... pure for analytical purposes . The following is the most convenient mode of preparing pure copper precipitate the metal from a solution of the sulphate by a clean iron plate , free the precipitated copper from the iron by boiling with ...
Página 85
... pure dilute phosphoric acid ( prepared from phos- phorus ) of 113 sp . gr . with an equal quantity of water , add pure ammonia to the mixture until it shows a strongly alkaline reaction , let it stand some time , filter , if necessary ...
... pure dilute phosphoric acid ( prepared from phos- phorus ) of 113 sp . gr . with an equal quantity of water , add pure ammonia to the mixture until it shows a strongly alkaline reaction , let it stand some time , filter , if necessary ...
Página 86
... pure crystals ; in the latter form to neutralize an excess of acid in a fluid which it is desirable not to dilute overmuch . 7. CARBONATE OF AMMONIA ( see " Qual . Anal . " ) . 8. BISULPHITE OF SODA ( see " Qual . Anal . ” ) . 9 ...
... pure crystals ; in the latter form to neutralize an excess of acid in a fluid which it is desirable not to dilute overmuch . 7. CARBONATE OF AMMONIA ( see " Qual . Anal . " ) . 8. BISULPHITE OF SODA ( see " Qual . Anal . ” ) . 9 ...
Palavras e frases frequentes
accurate results acid solution alkaline alumina ammonia analysis antimony arsenic acid baryta beaker bichloride of platinum binoxide boiling carbonate of soda carbonic acid Chem chloride of ammonium chloride of potassium chloride of sodium chromate chromic acid cipitate color compounds contains converted cubic centimetres decantation decomposed decomposition Determination dilute dish dissolves dried evaporation excess filter filtrate flask fluid fused glass grammes hydrated hydrochloric acid ignition insoluble in water iodide iodine latter lime magnesia manganese mercury metallic method mixed mixture nickel nitrate nitric acid operation oxalic acid oxide oxide of lead permanganate of potassa phosphate phosphoric acid platinum and chloride porcelain portion prakt precipitate present pure quantity readily red heat residue salt separation sesquioxide of chromium sesquioxide of iron silicic acid soluble solution of chloride strontia substance sulphate sulphide of ammonium sulphuretted hydrogen sulphuric acid teroxide tube volatile volumetrical wash weighed zinc
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