British Abstracts: Pure chemistry and physiology. ser. A1945 |
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... Alkaline hydrolysis of ethylenedisulphonylacetic acid to OH [ CH2 ] 2 SO , CH , CO , Na and CO , Na CH , SO , Na is followed by alkalimetric and potentiometric methods ( loc . cit . ) . The former method is more accurate ; the bimol ...
... Alkaline hydrolysis of ethylenedisulphonylacetic acid to OH [ CH2 ] 2 SO , CH , CO , Na and CO , Na CH , SO , Na is followed by alkalimetric and potentiometric methods ( loc . cit . ) . The former method is more accurate ; the bimol ...
Trang 335
... alkaline KMnO , or Br in CCl , and does not give an anhydride when heated . CPh , N , and ( CH - CO ) , O in cold Et , O rapidly afford the unstable 5 : 5 - diphenyl - pyrazoline - 3 : 4 - dicarboxylic anhydride , a comp . ~ 80 ° with ...
... alkaline KMnO , or Br in CCl , and does not give an anhydride when heated . CPh , N , and ( CH - CO ) , O in cold Et , O rapidly afford the unstable 5 : 5 - diphenyl - pyrazoline - 3 : 4 - dicarboxylic anhydride , a comp . ~ 80 ° with ...
Trang 275
... alkaline by 30 % NaOH ( 3 c.c. ) , and treated with 1 c.c. of conc . Nessler reagent ; if a red ppt . is observed ( pres- ence of NH , in the sample ) 20 % KI ( 3 c.c. ) is added . If ( I ) is present a grey or black tint appears ...
... alkaline by 30 % NaOH ( 3 c.c. ) , and treated with 1 c.c. of conc . Nessler reagent ; if a red ppt . is observed ( pres- ence of NH , in the sample ) 20 % KI ( 3 c.c. ) is added . If ( I ) is present a grey or black tint appears ...
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Determination | 3 |
ANALYTICAL REAGENTS WITH ACTUAL BATCH ANALYSIS | 79 |
ACTUAL Each Batch | 79 |
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absorption Ac₂O Acad acetate AcOH action activity adsorption alcohol alkaline Amer ascorbic acid auxin Biochem Biol blood boiling calc cells CHCI CHCl3 Chem chloride CHMe CHPh CO₂ CO₂H colour compounds Compt conc concn const containing converted corr cryst crystals curve cystine D.Sc decomp decrease derivative diet effect enzyme ester Et,O Et₂O ether EtOH extract formation formed gives glucose growth guinea-pigs H₂O H₂SO heat hydrochloride hydrogenated hydrolysed increased inhibition injection isolated isomerisation ketone lactone liquid liver MeOH metabolism method mixture NaOH normal obtained occurs oxidation oxidised penicillin phenol Physiol picrate plants pptn prep presence pressure Proc protein rats reaction reduced rend riboflavin room temp salt semicarbazone serum solution structure substances sulphate sulphonamide synthesis thiamin tissue toxic treatment tumours vals X-ray xylene yeast yields