Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3780Chemical news office., 1932 |
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Strona 175
... research , take a Master's degree . LABORATORY APPARATUS Write for FOR ROUTINE OR RESEARCH WORK Chemical. Front Cover.
... research , take a Master's degree . LABORATORY APPARATUS Write for FOR ROUTINE OR RESEARCH WORK Chemical. Front Cover.
Strona 189
... Research Work , which is much more . difficult than ordinary Research Work . It explains and elucidates experimental work , and at the same time deduces truths which have been missed or overlooked by Research Workers in many directions ...
... Research Work , which is much more . difficult than ordinary Research Work . It explains and elucidates experimental work , and at the same time deduces truths which have been missed or overlooked by Research Workers in many directions ...
Strona
... Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD , Established 1975 . LONDON E.C.1 . Telephone - Clerkenwell 2446 W. & J. GEORGE , Ltd. ( Proprietors of F. E. Becker & Co. ) 157 , GT . CHARLES STREET ...
... Research Laboratories and Chemical Manufacturers . WHITNEY 129-131 , CITY ROAD , Established 1975 . LONDON E.C.1 . Telephone - Clerkenwell 2446 W. & J. GEORGE , Ltd. ( Proprietors of F. E. Becker & Co. ) 157 , GT . CHARLES STREET ...
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94 per cent acetic acetone acid added addition agent alcohol ammonium carbonate ammonium hydroxide atom barium and strontium barium nitrates basic calcium and strontium calcium nitrate calories Chem Chemical Chemistry chloride Clinic collinsics combination concentrations containing copper corrosion course Crystalline precipitate desired determine dilute dissolved drops effect elements estimated evaporated experimental filter filtrate forms given gives green Heat Heavy pp't Heavy precipitate indicates Industrial interest London magnesium metals method minutes mixture Molecules nature nitrates of barium Number obtained oxalate oxygen p-bromobenzoate p-toluate p-toluic acid passing Patents per-rhenate points possible potassium potassium chromate precipitate shows prepared presence procedure production Reactions relative Research residue salts Sample solutions saturated separation September sodium solid soluble solvents stand stirring structure substances suitable sulphur Table temperature Test tion Trade Marks treated treatment various volume workers