ScienceJohn Michels (Journalist) 1945 |
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Page 128
... CARBON TETRACHLORIDE AND CHLOROFORM TO OLEFINS For many years teachers of elementary organic chemistry have struggled valiantly to combat the per- sistent tendency of sophomores to write reactions of the following types : RCH = CH2 + ...
... CARBON TETRACHLORIDE AND CHLOROFORM TO OLEFINS For many years teachers of elementary organic chemistry have struggled valiantly to combat the per- sistent tendency of sophomores to write reactions of the following types : RCH = CH2 + ...
Page 293
... carbon and hydrogen . However , when the carbon is burned off , the nitrogen area returns to its initial area . 2. A silica - alumina catalyst gives a nitrogen area of 15.2 square A. , if less than 8 per cent . alumina is present , but ...
... carbon and hydrogen . However , when the carbon is burned off , the nitrogen area returns to its initial area . 2. A silica - alumina catalyst gives a nitrogen area of 15.2 square A. , if less than 8 per cent . alumina is present , but ...
Page 366
... carbon source . Determinations of the refractive index , bi - refringence , optical activity and carbon and hydrogen content of this oil - like material indicated that it consisted largely of normal paraffins ranging from C20H42 to ...
... carbon source . Determinations of the refractive index , bi - refringence , optical activity and carbon and hydrogen content of this oil - like material indicated that it consisted largely of normal paraffins ranging from C20H42 to ...
Contents
VOL CII | 1 |
Cannabinol Marihuana Activity S LOEWE 615 645 airgaudi | 4 |
Sci 105 | 13 |
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