Journal of Scientific & Industrial Research: Physical sciences. B, Volumen12,Parte2Council of Scientific & Industrial Research, 1953 |
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Página 189
... hydrochloric acid ; and Teunissen showed that furfuryl alcohol or hydroxymethyl furfural also yielded levulinic acid by the action of dilute mineral acids . High yields ( c . 42 per cent ) were reported by Thomas and Schuette who heated ...
... hydrochloric acid ; and Teunissen showed that furfuryl alcohol or hydroxymethyl furfural also yielded levulinic acid by the action of dilute mineral acids . High yields ( c . 42 per cent ) were reported by Thomas and Schuette who heated ...
Página 190
... HYDROCHLORIC ACID ( Conc . of HCI , 6 · 5 % ) KBr , PRESSURE , / 0 lb./sq . in . YIELD OF LEVULINIC ACID , % 27.7 29.3 MOLASSES SOLUTION , 42.7 1.00 100 42.7 1.67 125 42.7 1-67 150 42.7 2.50 175 31-1 32.3 TABLE 3 - MOLASSES AND HYDROCHLORIC ...
... HYDROCHLORIC ACID ( Conc . of HCI , 6 · 5 % ) KBr , PRESSURE , / 0 lb./sq . in . YIELD OF LEVULINIC ACID , % 27.7 29.3 MOLASSES SOLUTION , 42.7 1.00 100 42.7 1.67 125 42.7 1-67 150 42.7 2.50 175 31-1 32.3 TABLE 3 - MOLASSES AND HYDROCHLORIC ...
Página 369
... hydrochloric acid wash , 5 ; duration of chlorination , 1.5 hr .; post - chlorination , 45 min .; alkali extraction , 1 hr .; hypo- chlorite oxidation , 4 hr .; chlorite oxidation , 5 hr .; final acid wash , 30 min . † Concentration of ...
... hydrochloric acid wash , 5 ; duration of chlorination , 1.5 hr .; post - chlorination , 45 min .; alkali extraction , 1 hr .; hypo- chlorite oxidation , 4 hr .; chlorite oxidation , 5 hr .; final acid wash , 30 min . † Concentration of ...
Contenido
CONTENTS | 73 |
CONTENTS | 127 |
SULPHONAMIDE DERIVATIVES AS POSSIBLE ANTIMALARIALS | 177 |
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Journal of Scientific & Industrial Research: Physical sciences. B, Volumen21 Vista de fragmentos - 1962 |
Journal of Scientific & Industrial Research: Physical sciences. B, Volumen21 Vista de fragmentos - 1962 |
Journal of Scientific & Industrial Research: Physical sciences. B, Volumen21 Vista de fragmentos - 1962 |
Términos y frases comunes
acetone acetyl activity alkali amine amino acid anhydride anode aqueous benzaldehyde biol biotin buffer carbon cathode cell cellulose cent charcoal Chem Chemical cholerae chromone citrate coal particles colour colourless compounds concentration condensation cotton crystallized from alcohol curve density diameter dilute dissolved distilled effect electrolyte enzyme ether ethyl acetate Experimental procedure extract ferric chloride filtered filtrate formation fraction gammexane gelatinase given in Table heat of wetting hydrochloric acid hydrogen hydrolysis Inaba Indian industr inhibition inositol iodine ions isoflavone lignite luteolin melting mesh metabolism method methyl methyl formate moisture molecule nicotinic acid obtained Ogawa oxidation oxygen phenol phosphate potassium prepared present Proc pulp pyrites quinine reaction mixture reduction refluxed residue sample sodium alginate sodium hydroxide soluble solution solvent substrate sulphate sulphuric acid temperature tion toluene tryptophane Vibrio cholerae viscose washed Water vibrio yield