37 moment we here remark that as almost impossible accurate readings naked eye which can only be such a have had a eudiometer made glass cock 1 as in may be mitting me to make XITI1 NOTE ON THE PRECI ID: 863350
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1 PRECIPITATION AND PURIFIOATION OF BAEKlD
PRECIPITATION AND PURIFIOATION OF BAEKlDM SULPHATE. 37 moment we here remark that, as almost impossible accurate readings naked eye, which can only be such a have had a eudiometer made glass cock 1 as in may be mitting me to make XITI.-1. NOTE ON THE PRECIPITATION AND PURIFICATION OF BAR- 2. QUALITATIVE TEST FOR CARBON DISULPHIDE CARBON DIOXIDE BY T. O'CONNOR SLOANE, A.M PH.D. 1. filter paper, following rules should 38 QUALITATIVE TEST FOR CARBON DISULPHIDE, ETC. at that temperature for perfectly clear ignited barium ignition have dilute hydrochloric with concentrated sulphuric course be pursued, any barium gulphide preyent causing a treatm
2 ent with aulphuric acid adopted, any fus
ent with aulphuric acid adopted, any fusion with sodium and a nitrate, and sulphuric acid, may as very but it by the with the a perfectly white care, as was decanted to the drop through cipitate left beaker were ten cubic centimeters concentrated hydrochloric then carefully and just touching a hot plate, until beaker in kept up for about cochineal solution perfectly white precipitates. 2. caustic potash clear solution remains, ready for placed in suitable absorption a cubic foot It is then poured into a test tube. DIREGT CONVERSION OF THE AROMATIC AMIDES, ETC. 39 in water carbon disulphide and may more demonstrative method precipitated cupric po
3 ur ammonia when a cupric xanthate XIV.-
ur ammonia when a cupric xanthate XIV.-UPON THE DIRECT CONVERSION OF THE AROMATIC AMIDES INTO THEIR CORRESPONDING AZO-COMPOUNDS. BY ALBERT R. LEEDS. published in results obtained peroxide upon a sinall same time. peroxide in point undergoes Naphthalene, when digested with hydrogen peroxide, yields a hydrogen peroxide but at is dissolved in glacial acetic acid, and the latter re-agent, days with hydrogen peroxide, in a were changed almost entirely being too small in being experimented Benzenesulphonic acid slightly acted upon, a brown being imparted and the out from the crystals, identical its treatment preceding results show oxide operates the thir