Transcription of 3.2.9. RUBBER CLOSURES FOR CONTAINERS FOR …
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3.2.9. RUBBER CLOSURES FOR CONTAINERS FOR …
RUBBER CLOSURES for containersEUROPEAN PHARMACOPOEIA oil. Calculate the internal surface area of a syringe insquare centimetres using the following expression:V=nominal volume of the syringe, in cubic centimetres;h=height of the graduation, in a sufficient number of syringes to give an internal surfacearea of 100 cm2to 200 cm2. Aspirate into each syringe avolume ofmethylenechlorideRequal to half the nominalvolume and make up to the nominal volume with air. Rinse theinternal surface corresponding to the nominal volume with thesolvent by inverting the syringe ten times in succession withthe needle fitting closed by a finger covered by a plastic filminert to methylene chloride. Expel the extracts into a tared dishand repeat the operation.
3.2.9. Rubber closures for containers EUROPEAN PHARMACOPOEIA 7.0 Silicone oil.Calculate the internal surface area of a syringe in square centimetres using the following expression:
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