Make sure the flange is tightly.
Self sealing rubber stopper.
Closures crimped to vials are penetrated by a beveled hypodermic needle under.
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Remove the old seal and slip on a new one if needed.
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A lubricated long bevel hypodermic needle is used and forces and pressures are carefully defined.
Self seals after puncture.
Clear the stopper and rocker arm of hair and debris.
Check the rubber seal for damage and if necessary replace it.
It is designed to keep objects and debris out of your drain so it will flow freely.
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Place closures cut if necessary with a total surface area of 20 2 cm2 in a 100 ml conical flask and add 50 ml of a 20 g l solution ofcitric acid r placea piece of lead acetate paper r over the mouth of the flask.
Simply grip the stopper body and pull it out of the drain along with the hinged rocker arm.
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Self sealing capacity in particular is important in confirming the closure protects the drug product from contamination after multiple samplings.
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This stopper is crafted with white rubber for durability and longevity.
Original version by 1st choice.
To evaluate the self sealing capacity of vial stoppers in two common radiopharmaceuticals after more than 10 needle punctures.
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Residue weighs not more than 2 0 mg for type i rubber and not more than 4 0 mg for type ii rubber.
Self sealing capacity of vial stoppers after multiple needle punctures.
Westar stoppers analytical services with a wealth of knowledge and experience in laboratory testing and regulatory guidance s west s analytical services helps customers mitigate the risks associated with package selection for pharmaceutical biotechnology and medical device clients.
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