Chemical News and Journal of Industrial Science, Tomy 109-110Chemical news office., 1914 |
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Strona 6
... melted metal ( as much as 10 cubic metres ) in one workshop . This is a cause of very serious accidents that often occur when hollow objects or objects insufficiently dried after scouring are plunged into the melted metal . No way has ...
... melted metal ( as much as 10 cubic metres ) in one workshop . This is a cause of very serious accidents that often occur when hollow objects or objects insufficiently dried after scouring are plunged into the melted metal . No way has ...
Strona 21
... melting at 315 ° . Both substances yield monoacetyl derivatives . When oleanol itself is oxidised with chromic acid the above - mentioned substance , C29H4204 ( m . p . 275 ° ) , is formed , together with a mixture of at least three car ...
... melting at 315 ° . Both substances yield monoacetyl derivatives . When oleanol itself is oxidised with chromic acid the above - mentioned substance , C29H4204 ( m . p . 275 ° ) , is formed , together with a mixture of at least three car ...
Strona 32
... melting at 118 -121 ° . a - Aminopalmitylglycine , - NH , CıgHgo CO NH · CH CO , H , prepared by heating a - bromopalmitylglycine with ammonia , crystallises in colourless hexagonal plates , melting and decomposing at 222-224 ° . carbon ...
... melting at 118 -121 ° . a - Aminopalmitylglycine , - NH , CıgHgo CO NH · CH CO , H , prepared by heating a - bromopalmitylglycine with ammonia , crystallises in colourless hexagonal plates , melting and decomposing at 222-224 ° . carbon ...
Strona 33
... melting 3 : 5 - Dihydroxy - 7 - keto - 4 - dimethylaminophenyl - 2 - m - p di at 82 ° , and is analogous to dianhydrotrisdiphenyl- ¦ hydroxyphenyl - 1 : 4 - benzopyran , obtained from quercetin this dyes wool violet ( on alum and chrome ) ...
... melting 3 : 5 - Dihydroxy - 7 - keto - 4 - dimethylaminophenyl - 2 - m - p di at 82 ° , and is analogous to dianhydrotrisdiphenyl- ¦ hydroxyphenyl - 1 : 4 - benzopyran , obtained from quercetin this dyes wool violet ( on alum and chrome ) ...
Strona 42
... melting at 84 ° , and is identical with the bromoxylenol , of similar melting point , obtained by the action of phosphorus pentabromide on dimethyldihydroresorcin ( Trans . , 1903 , lxxxiii . , 128 ) . The benzoyl derivative ...
... melting at 84 ° , and is identical with the bromoxylenol , of similar melting point , obtained by the action of phosphorus pentabromide on dimethyldihydroresorcin ( Trans . , 1903 , lxxxiii . , 128 ) . The benzoyl derivative ...
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