British Abstracts: Pure chemistry and physiology. ser. A1929 |
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Trang 181
... respectively ; o- , m- , and p - azoxybenzylidene - p - bromoanilines , m . p . 299 ° , 120 ° , and 218 ° , respectively ; m - azoxybenzylidene- p - toluidine , m . p . 150 ° ( sintering at 135 ° ) ; ethyl p - azoxybenzoate ; and 2 ...
... respectively ; o- , m- , and p - azoxybenzylidene - p - bromoanilines , m . p . 299 ° , 120 ° , and 218 ° , respectively ; m - azoxybenzylidene- p - toluidine , m . p . 150 ° ( sintering at 135 ° ) ; ethyl p - azoxybenzoate ; and 2 ...
Trang 301
... respectively . Guanidine reacts with carbon disulphide in alcoholic solution at 100 ° yielding guanidine trithiocarbonate , CS [ SH , NH , C ( NH ) NH2 , m . p . 133-135 ° after sintering at 125 ° , also obtained from guanidine sulphate ...
... respectively . Guanidine reacts with carbon disulphide in alcoholic solution at 100 ° yielding guanidine trithiocarbonate , CS [ SH , NH , C ( NH ) NH2 , m . p . 133-135 ° after sintering at 125 ° , also obtained from guanidine sulphate ...
Trang 820
... respectively , with the annexed structure ( where R = H and Me , respectively ) . Cinnamaldehyde and ay - dimethyl- butadiene combine at 200 ° to give an aldehyde , C15H180 , b . p . 156-158 ° / 16 mm . Crotonic acid and butadiene react ...
... respectively , with the annexed structure ( where R = H and Me , respectively ) . Cinnamaldehyde and ay - dimethyl- butadiene combine at 200 ° to give an aldehyde , C15H180 , b . p . 156-158 ° / 16 mm . Crotonic acid and butadiene react ...
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Thuật ngữ và cụm từ thông dụng
A. A. ELDRIDGE absorption acetic acid acetic anhydride acetone acetyl action activity alkali aluminium Amer ammonia ammonium amount anhydride aqueous solution atoms bands barium benzene Biochem Biol bromide C. R. HARINGTON calcium carbon dioxide catalyst Chem CHEMICAL ABSTRACTS Chim chloroform coefficient colloidal colour compound Compt concentration constant containing converted copper corresponding crystals curves decomp decomposition decrease derivative determined dextrose dilute effect electrolytes electrons ester ether formation formed gives heated hydrate hydrochloric acid hydrogen chloride hydrolysis increase iodide iodine ionisation ions ketone liquid magnesium measured mercury metal method methyl alcohol mixture molecular molecules N. M. BLIGH nitrate nitrogen obtained oxide oxidised oxygen peroxide phenyl phosphate Physik potassium hydroxide precipitated prepared presence pressure Proc protein pyridine reaction reduced rend S. K. TWEEDY salts silver sodium hydroxide sols soluble spectra spectrum substance sulphate sulphide sulphuric acid temperature vapour velocity wave-length whilst X-ray yields Zentr zinc