Instruction in Chemical Analysis (quantitative.) |
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Page 16
... grammes in each scale , suffices for most purposes . 2. The balance must be enclosed in a glass - case to protect it from dust . This case must not be too small , and more especially its side - walls should not approach too near the ...
... grammes in each scale , suffices for most purposes . 2. The balance must be enclosed in a glass - case to protect it from dust . This case must not be too small , and more especially its side - walls should not approach too near the ...
Page 17
... gramme with perfect distinctness . 2. Both scales are loaded with the maximum weight the con- struction of the balance ... grammes each , and if necessary , the balance is again adjusted ( by the addition of small weights , & c . ) The ...
... gramme with perfect distinctness . 2. Both scales are loaded with the maximum weight the con- struction of the balance ... grammes each , and if necessary , the balance is again adjusted ( by the addition of small weights , & c . ) The ...
Page 18
... grammes to 1 milligramme . The French gramme is the best standard for calculating from . With regard to the set of weights , it is generally a matter of perfect indifference in chemical experiments whether the gramme , its multiples and ...
... grammes to 1 milligramme . The French gramme is the best standard for calculating from . With regard to the set of weights , it is generally a matter of perfect indifference in chemical experiments whether the gramme , its multiples and ...
Page 21
... gramme of a substance , and to divide this amount subsequently into two equal parts . Let us assume our balance to be in a state of perfect equilibrium , but with unequal arms , the left being 99 millimetres * long , whilst the right is ...
... gramme of a substance , and to divide this amount subsequently into two equal parts . Let us assume our balance to be in a state of perfect equilibrium , but with unequal arms , the left being 99 millimetres * long , whilst the right is ...
Page 23
... grammes ; well , we place 10 grammes in the other scale , and we find this is too much ; we place the weight next in succession , i . e . 5 grammes , and find this too little ; next 7 , too much ; 6 too little ; 6,5 too little ; 6,7 too ...
... grammes ; well , we place 10 grammes in the other scale , and we find this is too much ; we place the weight next in succession , i . e . 5 grammes , and find this too little ; next 7 , too much ; 6 too little ; 6,5 too little ; 6,7 too ...
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Instruction in Chemical Analysis (Quantitative.) C Remigius Fresenius,John Lloyd Bullock No preview available - 2015 |
Common terms and phrases
accurate results alumina ammonia amount analysis antimony apparatus arsenic acid barytes beaker-glass bismuth boiling bromine carbonate of ammonia carbonate of soda carbonic acid chloric acid chloride chloride of platinum chloride of silver chromium cobalt completely compound under examination contains converted crucible decomposed decomposition directed sub dissolved evaporation filtrate flask fluid filtered fused gentle heat glass grammes hydrated hydrochloric acid ignition insoluble in water latter likewise lime magnesia manganese mercury metallic method mixed mixture nickel nitrate nitric acid operation organic acids oxalate oxide oxide of chromium oxide of copper oxide of lead oxygen perchloride perfectly peroxide of iron phosphate phosphoric acid Plate porcelain portion powder precipitation as sulphuret proportion protochloride protoxide pure quantitative readily red heat residue rinsing sal ammoniac separation soluble solution strontia subsequently substance sulphate of barytes sulphuretted hydrogen sulphuric acid temperature tion tube vide volatile washed weighed whilst yields very accurate zinc