Manual of Qualitative Chemical AnalysisJ. Wiley, 1874 - 434 pages |
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Page 20
... portion adhering exposed to the flame of a gas or spirit - lamp . The bead produced , which continues to adhere to the loop , is let cool , then moistened again , a small portion of the substance to be examined added to it , and the ...
... portion adhering exposed to the flame of a gas or spirit - lamp . The bead produced , which continues to adhere to the loop , is let cool , then moistened again , a small portion of the substance to be examined added to it , and the ...
Page 25
... portion of it adheres ; and when the loop is held for a time near the flame and finally within it , the substance sinters or fuses firmly upon the wire . Matters that decrepitate must first be ignited in a covered platinum vessel . For ...
... portion of it adheres ; and when the loop is held for a time near the flame and finally within it , the substance sinters or fuses firmly upon the wire . Matters that decrepitate must first be ignited in a covered platinum vessel . For ...
Page 40
... portions , neutralizing one with car- bonate of soda ( which is best done by adding solution of the latter to the boiling solution of the acid ) , adding the other portion of acid , and evaporating the solution to crystallization . For ...
... portions , neutralizing one with car- bonate of soda ( which is best done by adding solution of the latter to the boiling solution of the acid ) , adding the other portion of acid , and evaporating the solution to crystallization . For ...
Page 45
... portions at a time , into a red - hot crucible , awaiting always the incandescence of the portion last introduced , before proceeding to the addition of a fresh one . When the whole mixture has been brought into the crucible , cover the ...
... portions at a time , into a red - hot crucible , awaiting always the incandescence of the portion last introduced , before proceeding to the addition of a fresh one . When the whole mixture has been brought into the crucible , cover the ...
Page 51
... portions at a time , milk of lime prepared by pouring 3 parts of warm water upon 1 part of quicklime , and letting the ... portion , and try whether the filtrate still causes effervescence in hydrochloric acid . If this is the case , the ...
... portions at a time , milk of lime prepared by pouring 3 parts of warm water upon 1 part of quicklime , and letting the ... portion , and try whether the filtrate still causes effervescence in hydrochloric acid . If this is the case , the ...
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Common terms and phrases
acetic acid acid solution acidified addition alcohol alkaline earths alkaloids alumina ammonia antimony aqueous solution arsenic acid baryta binoxide blowpipe boiling brucia carbonate of ammonia carbonate of soda carbonic acid chloric acid chloride of ammonium chloride of barium cobalt color colorless compounds contains copper crucible crystals cyanide of potassium decomposed detection dilute solutions dissolve ether examination excess filter filtrate flame fluid heat hydrate hydro hydrochloric acid hydrogen hydrosulphuric acid ignition insoluble latter lime magnesia manganese mercury metallic mixed mixture neutral nitrate of silver nitric acid oxalic acid oxide phosphate phosphoric acid platinum portion potassa powder PRECIPITATE IS FORMED present protoxide pure quantity quina readily reagent redissolve residue separation sesquioxide sesquioxide of iron silicic acid solu soluble in water solution of soda solutions of salts strontia strychnia substance sulphate sulphide of ammonium sulphuric acid tartaric acid tion treat tube undissolved volatile wash white precipitate yellow zinc
Popular passages
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Page 333 - ... and then introduce the air-dried soil, in small lumps ranging from the size of a pea to that of a walnut, but not pulverized or even crushed ; fill the funnels with the soil to the extent of about two-thirds.