British Abstracts: Pure chemistry and physiology. ser. A1943 |
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Trang 41
... [ Anal . ] , 1942 , 14 , 773 ) .— The reaction SO , " + HO + 1 = SO " + 2HI is utilised . The I solution is decolorised by means of aq . Na , SO , or K2SO , made slightly , alkaline to thymol- phthalein . The HI is then titrated with ...
... [ Anal . ] , 1942 , 14 , 773 ) .— The reaction SO , " + HO + 1 = SO " + 2HI is utilised . The I solution is decolorised by means of aq . Na , SO , or K2SO , made slightly , alkaline to thymol- phthalein . The HI is then titrated with ...
Trang 73
... [ Anal . ] , 1942 , 14 , 811-812 ) . Carbon dioxide generator [ using dry - ice ] . J. A. Ex . Chem . [ Anal . ] , 1942 , 14 , 805 ) . L. S. T. Johnston ( Ind . L. S. T. Removal of adsorbents from chromatographic tubes . J. Turkevich Ind ...
... [ Anal . ] , 1942 , 14 , 811-812 ) . Carbon dioxide generator [ using dry - ice ] . J. A. Ex . Chem . [ Anal . ] , 1942 , 14 , 805 ) . L. S. T. Johnston ( Ind . L. S. T. Removal of adsorbents from chromatographic tubes . J. Turkevich Ind ...
Trang 99
... [ Anal . ] , 1942 , 14 , 900 ) .- HS is liberated by the action of 50 % H2SO , and distilled into ammoniacal AgNO ,. The excess of Ag is determined by titration either with alkali cyanide solution ( indicator AgI ) or with alkali chloride ...
... [ Anal . ] , 1942 , 14 , 900 ) .- HS is liberated by the action of 50 % H2SO , and distilled into ammoniacal AgNO ,. The excess of Ag is determined by titration either with alkali cyanide solution ( indicator AgI ) or with alkali chloride ...
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absorption absorption spectra Acad acetate acid AcOH activity adsorption alkali Amer Anal analysis ation atoms boiling calc catalyst cellulose CHCI Chem chemical chloride CHPh CO₂ CO₂H coeff colour compounds Compt conc concn const containing converted corr cryst crystals curves decomp decreases derivatives described determined diazotised dioxan discussed effect electrolytes electron energy equilibrium ester ether EtOH formation formed Geol gives H₂ H₂O H₂SO heat hydrochloride hydrogen hydrolysed increases ionisation ions isomerised ketone lattice liquid measurements MeOH metal method methyl minerals mixtures NaOH obtained oxidation oxidised oxime particles phenols PhOH Physical Rev picrate polarisation polymerisation pptd pptn prep presence pressure reaction reagent reduced rend room temp salts semicarbazone solubility solution solvent spectra spectrum structure substances surface theory thermal titration vals vapour X-ray yield