Transcription of 2.3. IDENTIFICATION - DrugFuture
{{id}} {{{paragraph}}}
Example: confidence
2.3. IDENTIFICATION - DrugFuture
EUROPEAN PHARMACOPOEIA IDENTIFICATION reactions of ions and functional IDENTIFICATION01/2008 IDENTIFICATION REACTIONS OFIONS AND FUNCTIONAL GROUPSACETATESa) Heat the substance to be examined with an equal quantity ofoxalic acid R. Acid vapours with the characteristic odour ofacetic acid are liberated, showing an acid reaction ( ).b) Dissolve about 30 mg of the substance to be examined in3mLofwater Ror use 3 mL of the prescribed solution. Addsuccessively mL oflanthanum nitrate solution R, M iodineand mL ofdilute ammonia to boiling.
of methanol R, add 0.1 mL of a solution containing 100 g/L of cobalt nitrate R and 100 g/L ofcalcium chloride R.Mix and add, with shaking, 0.1 mL of dilute sodium hydroxide solution R. A violet-blue colour and precipitate are formed. BENZOATES a) To 1 mL of the prescribed solution add 0.5 mL offerric chloride solution R1. A dull-yellow ...
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: