Select Methods in Chemical Analysis: (chiefly Inorganic) |
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Page 15
... filtrate from ( a ) the sulphuric acid is estimated by precipitation by barium chloride and weighing the barium sul ... filtrate oxidised by nitric acid , and the mixed iron , alumina , and phosphoric acid precipitated by ammonia . ( g ...
... filtrate from ( a ) the sulphuric acid is estimated by precipitation by barium chloride and weighing the barium sul ... filtrate oxidised by nitric acid , and the mixed iron , alumina , and phosphoric acid precipitated by ammonia . ( g ...
Page 17
... filtrate from this ammonia throws down alumina , from which the aluminium , as aluminate , is known . ( e . ) The insoluble residue of ( d ) with hydrochloric acid and am- monia gives the iron and alumina ( not as aluminate ) ; the filtrate ...
... filtrate from this ammonia throws down alumina , from which the aluminium , as aluminate , is known . ( e . ) The insoluble residue of ( d ) with hydrochloric acid and am- monia gives the iron and alumina ( not as aluminate ) ; the filtrate ...
Page 18
... filtrate the iodine required after removal of the precipitated zinc sulphide is again determined ; from these data the sulphide , sulphite , and thiosulphate are calculable . " ( h . ) The total available alkali ' is determined , the ...
... filtrate the iodine required after removal of the precipitated zinc sulphide is again determined ; from these data the sulphide , sulphite , and thiosulphate are calculable . " ( h . ) The total available alkali ' is determined , the ...
Page 22
... filtrate is then treated with a little seltzer - water , and kept at a boil till all excess of carbonic acid has been expelled , and all the barium carbonate rendered insoluble . The solution is then filtered , when the potash and soda ...
... filtrate is then treated with a little seltzer - water , and kept at a boil till all excess of carbonic acid has been expelled , and all the barium carbonate rendered insoluble . The solution is then filtered , when the potash and soda ...
Page 32
... filtrate allowed to run into a small beaker glass . In this filtrate are all the alkalies as chlorides and a little sal - ammoniac ; add a drop of a solution of am- monium carbonate to make sure that no lime is present . Evaporate over ...
... filtrate allowed to run into a small beaker glass . In this filtrate are all the alkalies as chlorides and a little sal - ammoniac ; add a drop of a solution of am- monium carbonate to make sure that no lime is present . Evaporate over ...
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Common terms and phrases
acetic acid added alcohol alkaline aluminium ammonia ammonium sulphide amount analysis antimony arsenic assay barium barium chloride beaker bismuth boiling bromine calcium carbonic acid caustic cent chromic acid citron band cobalt colour containing cool copper Crown 8vo crucible cyanide decantation decomposed didymium dilute dissolved distilled dried drops estimation evaporated to dryness excess ferrocyanide filter filtrate flask fused gallium glass grains grammes heat hydrate hydrochloric acid hydrogen ignited insoluble iodide iodine iridium iron lead liquid litre magnesium manganese mercury metals method mineral mixed mixture nickel nitrate nitric acid obtained operation oxalate oxide oxidised permanganate phosphate phosphoric acid platinum porcelain portion potash potassium chlorate powder precipitate present pure reaction redissolved residue ruthenium salt separated sesquioxide silica silver small quantity sodium carbonate soluble solution of potassium sulphate sulphuretted hydrogen sulphuric acid temperature thallium thiosulphate tion titanic acid traces treated tube uranium vols washed water-bath weighed whilst zinc