Select Methods in Chemical Analysis: (chiefly Inorganic) |
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Page 9
... flask , the bismuth solution is added , then the thiosulphate ; the whole is mixed rapidly , and 200 to 250 c.c. of concentrated alcohol are added . The whole is agitated for a few moments and left to settle . The yellow precipitate ...
... flask , the bismuth solution is added , then the thiosulphate ; the whole is mixed rapidly , and 200 to 250 c.c. of concentrated alcohol are added . The whole is agitated for a few moments and left to settle . The yellow precipitate ...
Page 21
... flask and filled to the mark , observing the usual precautions as to tem- perature , & c . When thus adjusted , add to the contents of the flask , from a burette , enough water to bring the excess of silver nitrate above 4-7933 grammes ...
... flask and filled to the mark , observing the usual precautions as to tem- perature , & c . When thus adjusted , add to the contents of the flask , from a burette , enough water to bring the excess of silver nitrate above 4-7933 grammes ...
Page 33
... flask , pure nitric acid is added , about 3 grammes of it to every gramme of sal - ammoniac supposed to exist in the liquid ; a little ex- perience will suffice to guide one in adding the nitric acid , as even a large excess has no ...
... flask , pure nitric acid is added , about 3 grammes of it to every gramme of sal - ammoniac supposed to exist in the liquid ; a little ex- perience will suffice to guide one in adding the nitric acid , as even a large excess has no ...
Page 34
... flask evaporated to dryness in that vessel ; but it is more judicious to pour the contents of the flask after the liquid has been reduced to an ounce into a porcelain capsule ( always preferring the Berlin porcelain ) of about 3 to 4 ...
... flask evaporated to dryness in that vessel ; but it is more judicious to pour the contents of the flask after the liquid has been reduced to an ounce into a porcelain capsule ( always preferring the Berlin porcelain ) of about 3 to 4 ...
Page 43
... flask of about 300 c.c. capacity 10 c.c. of the sample to be tested are run in , and into this 15 c.c. of normal sulphuric acid . The contents of the flask are then raised to boiling over a naked flame , a few drops of litmus added and ...
... flask of about 300 c.c. capacity 10 c.c. of the sample to be tested are run in , and into this 15 c.c. of normal sulphuric acid . The contents of the flask are then raised to boiling over a naked flame , a few drops of litmus added and ...
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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