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50 ml cap. Open drop funnel
Open drop funnel
100 ml cap. Open drop funnel
250 ml cap. Open drop funnel
500 ml cap. Open drop funnel
50 ml cap. Open drop funnel
Open drop funnel
100 ml cap. Open drop funnel
250 ml cap. Open drop funnel
500 ml cap. Open drop funnel

Eisco Dropping Funnels with PTFE Stopcock, Open Top
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Avg. Ratings: out of 5

CH0470B CH0470E CH0470A CH0470D CH0470C
470343-858EA 55.95 CAD
470343-858 470344-320 470345-956 470345-998 470346-000
Eisco Dropping Funnels with PTFE Stopcock, Open Top
Funnels Dropping Funnels
Borosilicate glass dropping funnels with PTFE stopcocks and open tops, ideal for basic extractions.

  • Cylindrical ungraduated glass dropping funnel
  • Made of durable, high quality borosilicate 3.3 glass which withstands high temperatures and thermal shocks
  • Open top for easily adding liquids
  • Fitted with a PTFE key stopcock
  • Used for extractions or to dispense liquids into a system slowly (drop-wise)
Autoclavable, with superior chemical durability. Low temperature gradient - can withstand high temperatures and thermal shocks.

Eisco Labs borosilicate glass has the following heat tolerances:
- Strain point 515 °C
- Annealing point 565 °C
- Softening point 820 °C
   
 

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