Sentence Examples


  • Other metals, except the silver and gold, also oxidize, and are carried by the melted litharge into the cupel.
  • Pure Oxalic Acid May Also Be Used, Which, In The Presence Of Sulphuric Acid, Is Oxidized By The Standard Solution According To The Reaction: 5(H2C2042H20) 3H 2 So 4 2Kmn04 =10002 2Mns04 K2S04 18H20 The Reaction In Case Of Ferrous Sulphate Is: 10Fes04 2Kmn04 8H2S04 = 5Fe2(S04)3 K2S04 2Mns04 8H20; That Is, The Same Amount Of Potassium Permanganate Is Required To Oxidize 5 Molecules Of Oxalic Acid That Is Necessary To Oxidize I O Molecules Of Iron In The Form Of Ferrous Sulphate To Ferric Sulphate, Or 63 Parts By Weight Of Oxalic Acid Equal 56 Parts By Weight Of Metallic Iron.
  • The ore is treated as described in the cyanide method until the copper precipitated by the aluminium foil has been washed and dissolved in 5 cc. of nitric acid; then 0.25 gramme of potassium chlorate is added, and the solution boiled nearly dry to oxidize any arsenic present to arsenic acid.
  • (c X 600;) al X 1500, above.) (From Fischer's Vorlesungen uber Bakterien.) into the higher plants as sulphates, built up into proteids, decomposed by putrefactive bacteria and yielding SH 2 which the sulphur bacteria oxidize; the resulting sulphur is then again oxidized to SO 3 and again combined with calcium to gypsum, the cycle being thus complete.
  • The idea that this film of bacteria oxidizes the alcohol beneath by merely condensing atmospheric oxygen in its interstices, after the manner of spongy platinum, has long been given up; but the explanation of the action as an incomplete combustion, depending on the peculiar respiration of these organisms - much as in the case of nitrifying and sulphur bacteria - is not clear, though the discovery that the acetic bacteria will not only oxidize alcohol to acetic acid, but further oxidize the latter to CO 2 and 01-1 2 supports the view that the alcohol is absorbed by the organism and employed as its respirable substance.
 

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