Select Methods in Chemical Analysis: (chiefly Inorganic) |
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Page 11
... ignited precipitate with pure sulphuric acid , and igniting again , the calcium oxalate is converted into calcium sulphate , and then the weight of the mixed substances indicates all the impurities ' present in the salt - cake ; with ...
... ignited precipitate with pure sulphuric acid , and igniting again , the calcium oxalate is converted into calcium sulphate , and then the weight of the mixed substances indicates all the impurities ' present in the salt - cake ; with ...
Page 47
... ignited without change , one weighing therefore being sufficient . Calcium Phosphates . The commercial estimation of superphosphates is given in the chapter on Phosphoric Acid . The following process , recommended by Professor F. Wöhler ...
... ignited without change , one weighing therefore being sufficient . Calcium Phosphates . The commercial estimation of superphosphates is given in the chapter on Phosphoric Acid . The following process , recommended by Professor F. Wöhler ...
Page 49
... ignited , and weighed as magnesium pyro- phosphate in the usual manner . As magnesium is a substance which analysts have frequent occasion to estimate , Dr. Gibbs ' suggestions are well worthy of their consideration . Separation of ...
... ignited , and weighed as magnesium pyro- phosphate in the usual manner . As magnesium is a substance which analysts have frequent occasion to estimate , Dr. Gibbs ' suggestions are well worthy of their consideration . Separation of ...
Page 51
... ignited , and weighed . The ignited precipitate should be perfectly white . The filtrate containing the magnesium salt and sodium tungstate may be at once precipitated by sodium phosphate in the usual way ; but if this is done much ...
... ignited , and weighed . The ignited precipitate should be perfectly white . The filtrate containing the magnesium salt and sodium tungstate may be at once precipitated by sodium phosphate in the usual way ; but if this is done much ...
Page 62
... ignited , leaving the earths - lanthana of a pure white colour , didymia of a deep chocolate brown , and samaria of a pale brown colour . Separation of Thorium from other Earthy Metals . Prof. L. Smith has discovered an exact method for ...
... ignited , leaving the earths - lanthana of a pure white colour , didymia of a deep chocolate brown , and samaria of a pale brown colour . Separation of Thorium from other Earthy Metals . Prof. L. Smith has discovered an exact method for ...
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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