Select Methods in Chemical Analysis: (chiefly Inorganic) |
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Page 7
... added : it is let cool , and the potassium perchlorate is collected on a small filter . The precipitate is washed with alcohol at 95 per cent . , containing 10 per cent . by volume of perchloric acid , until the liquid running through ...
... added : it is let cool , and the potassium perchlorate is collected on a small filter . The precipitate is washed with alcohol at 95 per cent . , containing 10 per cent . by volume of perchloric acid , until the liquid running through ...
Page 9
... 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 collects at the bottom of the flask ...
... 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 collects at the bottom of the flask ...
Page 10
... added to the solution , and a few c.c. of hydro- chloric acid . The standard iodine liquid is then added with a burette until a deep brown tint appears in the liquid . The volume of the iodine solution employed is then read off , and ...
... added to the solution , and a few c.c. of hydro- chloric acid . The standard iodine liquid is then added with a burette until a deep brown tint appears in the liquid . The volume of the iodine solution employed is then read off , and ...
Page 18
... added , is determined , to the other zinc sulphate is added , and in the filtrate the iodine required after removal of the precipitated zinc sulphide is again determined ; from these data the sulphide , sulphite , and thiosulphate are ...
... added , is determined , to the other zinc sulphate is added , and in the filtrate the iodine required after removal of the precipitated zinc sulphide is again determined ; from these data the sulphide , sulphite , and thiosulphate are ...
Page 29
... added to precipitate any magnesia , phosphate of lime , & c . , that may have been in the marble . Filter this solution , and after heating it to at least 160 ° F. , precipitate with ammonium carbonate . The calcium car- bonate thus ...
... added to precipitate any magnesia , phosphate of lime , & c . , that may have been in the marble . Filter this solution , and after heating it to at least 160 ° F. , precipitate with ammonium carbonate . The calcium car- bonate thus ...
Contents
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25 | |
43 | |
49 | |
55 | |
63 | |
84 | |
344 | |
387 | |
396 | |
403 | |
415 | |
433 | |
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445 | |
93 | |
101 | |
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277 | |
295 | |
331 | |
462 | |
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496 | |
549 | |
559 | |
572 | |
580 | |
620 | |
622 | |
636 | |
692 | |
702 | |
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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