Handbook of the Polariscope and Its Pracitcal ApplicationsMacmillan, 1882 - 262 sider |
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Side 16
... correct the rotatory pro- perties of active substances should vanish when these group- ings are really broken up - that is , when the substances are brought into the norma : gaseous state . This important point was first investigated by ...
... correct the rotatory pro- perties of active substances should vanish when these group- ings are really broken up - that is , when the substances are brought into the norma : gaseous state . This important point was first investigated by ...
Side 54
... correct view of specific rotation has , how- ever , remained in a great measure unheeded . The fact that in solutions of cane - sugar the angle of rotation is almost exactly propor- tional to the degree of concentration , so that the ...
... correct view of specific rotation has , how- ever , remained in a great measure unheeded . The fact that in solutions of cane - sugar the angle of rotation is almost exactly propor- tional to the degree of concentration , so that the ...
Side 59
... correct determination is attainable in such cases will depend on the solubility of the active substance itself . If indeed only dilute solutions can be prepared , and if , moreover , the increase or decrease in the values of [ a ] is ...
... correct determination is attainable in such cases will depend on the solubility of the active substance itself . If indeed only dilute solutions can be prepared , and if , moreover , the increase or decrease in the values of [ a ] is ...
Side 61
... correct apprecia- tion of the rotation - phenomena . Similar phenomena are exhibited in other cases , as , for example , when alkaloids are dissolved in varying proportions of acids and water , or in mixtures of alcohol and chloroform ...
... correct apprecia- tion of the rotation - phenomena . Similar phenomena are exhibited in other cases , as , for example , when alkaloids are dissolved in varying proportions of acids and water , or in mixtures of alcohol and chloroform ...
Side 124
... correctly to within 0.05 millimetre . ( See further § 75. ) ( e . ) Determination of the Angle of Rotation for different Rays.- [ METHOD OF BROCH . ] § 61. The instruments thus far described serve only to measure the rotation of the ...
... correctly to within 0.05 millimetre . ( See further § 75. ) ( e . ) Determination of the Angle of Rotation for different Rays.- [ METHOD OF BROCH . ] § 61. The instruments thus far described serve only to measure the rotation of the ...
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Handbook of the Polariscope and Its Pracitcal Applications Hans Landolt Uten tilgangsbegrensning - 1882 |
Handbook of the Polariscope and Its Pracitcal Applications Hans Landolt Uten tilgangsbegrensning - 1882 |
Handbook of the Polariscope and Its Pracitcal Applications Hans Landolt Uten tilgangsbegrensning - 1882 |
Vanlige uttrykk og setninger
100 cubic centimetres 50 cubic acetic acid Acetic Ether active substance Alcohol of 97 alkaloids amount analyzer angle of rotation anhydrous aqueous solutions bi-quartz Biot calculated camphor cane-sugar CH₂ Chem Chim Chloroform cinchonine CO.OH colour concentration Crown 8vo decimals decimetre decimetre tube degree density determined dextro dextro-rotatory dilute ether exhibit field of vision flask formula glass graduated grammes grammes of sugar H₂ H₂O Hesse L. A. hydrochloric acid inactive instrument Lævo-rotatory left-rotating length light Malic Acid maltose mannite millimetres Mitscherlich's mixture molecules Nicol nicotine number of grammes observed obtained oil of turpentine optical activity percentage Phys plane of polarization Pogg polariscope principal section prism proportion pycnometer quartz quartz wedges Quinidine quinine right-rotating rotatory power saccharimeter salt scale sodium solution containing solvent specific gravity specific rotation sugar in 100 sulphate tartaric acid tartrate temperature tion Tollens values weight Wild's zero-point
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