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4301-0250 Nalge Nunc Separatory Funnels, Teflon FEP, Squibb, Pear-Shape, NALGENE 4301-0250, Each is currently on sale with fast shipping. Plus your total satisfaction is guaranteed when you purchase Nalge Nunc Separatory Funnels, Teflon FEP, Squibb, Pear-Shape, NALGENE 4301-0250, Each and other Centrifuges by Nalge Nunc.

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Average Ratings
Overall rating
5.0 / 5
Easy To Set Up 5.0 / 5
Usability 5.0 / 5
Features 5.0 / 5
Value for your money 5.0 / 5
Meets expectations 5.0 / 5

Nalge Nunc Separatory Funnels, Teflon FEP, Squibb, Pear-Shape, NALGENE 4301-0250, Each Reviews - Reviews from 1 to 1 out of 1

Nalge Nunc Separatory Funnels, Teflon FEP, Squibb, Pear-Shape, NALGENE 4301-0250

Product Ratings:
Overall rating:
5 / 5
Easy To Set Up:5 / 5
Features:5 / 5
Meets expectations:5 / 5
Usability:5 / 5
Value for your money:5 / 5

Author: ithres , PhD chemist , from Palo Alto on Nov 16, 2008
Would recommend:  yes

ithres wrote:

Most chemists avoid FEP funnels. There is no "FEP" stamped on them so they are regarded as common plastics that may be a source of contamination. Also there are (rarely)leaks due to defects in the bore of the neck. One leak and a chemist will never use this type of funnel again ! I have used FEP funnels for 30 years. The rare leaky funnel can be identified in one minute by adding 3ml of acetone and shaking with the cap on. The vapor increases internal pressure causing the solvent to ooze out.

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Reviews - Nalge Nunc Separatory Funnels, Teflon FEP, Squibb, Pear-Shape, NALGENE 4301-0250, Each