Chemical News and Journal of Physical Science, Tom 105Chemical news office., 1912 |
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Strona 15
... formaldehyde solution . Mix by swirling the flask occasionally during ten minutes , then acidulate with about 5 cc . of 36 per cent acetic acid . Add 50 cc . of N / 10 iodine solution and shake vigorously in the stoppered flask until ...
... formaldehyde solution . Mix by swirling the flask occasionally during ten minutes , then acidulate with about 5 cc . of 36 per cent acetic acid . Add 50 cc . of N / 10 iodine solution and shake vigorously in the stoppered flask until ...
Strona 16
... formaldehyde . In view of this fact , while there is no doubt that vegetable acids of this group are added to soils in large quantities and become temporarily , at least , a part of the organic matter of the soil , it does not seem ...
... formaldehyde . In view of this fact , while there is no doubt that vegetable acids of this group are added to soils in large quantities and become temporarily , at least , a part of the organic matter of the soil , it does not seem ...
Strona 26
... formaldehyde , indica- tions ; acetaldehyde , none . Pinene . Formic acid , o 14 per cent ; acetic acid , 0 · 057 per cent ; formaldehyde , indications ; acetaldehyde , none . Russian Turpentine . - Formic acid , o'026 per cent ; acetic ...
... formaldehyde , indica- tions ; acetaldehyde , none . Pinene . Formic acid , o 14 per cent ; acetic acid , 0 · 057 per cent ; formaldehyde , indications ; acetaldehyde , none . Russian Turpentine . - Formic acid , o'026 per cent ; acetic ...
Strona 27
... Formaldehyde yields formic acid when treated with per- | oxide of hydrogen . When acetaldehyde and formaldehyde are added to a mixture of water and turpentine and sub- jected to a current of air , the aldehydes are oxidised in course of ...
... Formaldehyde yields formic acid when treated with per- | oxide of hydrogen . When acetaldehyde and formaldehyde are added to a mixture of water and turpentine and sub- jected to a current of air , the aldehydes are oxidised in course of ...
Strona 67
... formaldehyde , and the properties of this substance and those of several of its derivatives were described . 6. " isoNarcotine . " By ERNEST GRIFFITHS JONES , WILLIAM HENRY PERKIN , jun . , and ROBERT ROBINSON . In order to obtain ...
... formaldehyde , and the properties of this substance and those of several of its derivatives were described . 6. " isoNarcotine . " By ERNEST GRIFFITHS JONES , WILLIAM HENRY PERKIN , jun . , and ROBERT ROBINSON . In order to obtain ...
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