The cannula transfer technique is beautifully demonstrated in these videos:
Sheila Kennedy, C.H.O.
Safety Coordinator | Teaching Laboratories
UCSD Chemistry & Biochemistry |MC 0303
Office: (858) 534-0221 | Fax: (858) 534-7687
I would like to add that the technique of using syringes in handling pyrophorics is highly ill-advised.
I metioned this in one of my posts a few years go on this topic.
Use a double-tipped cannula and transfer under Argon or Nitrogen for the source bottle. The amount of materials transferred can be determined by the loss in weight.
I just don't want to read about another syringe-based accident.
PLEASE BE CAREFUL!
From:"Kim Gates" <kim.gates**At_Symbol_Here**STONYBROOK.EDU>
Sent: Thursday, March 7, 2013 9:52:50 AM
Subject: [DCHAS-L] Butyl Lithium & syringe safety
I have a question from our Chem dept about nButyl Lithium & syringes after I forwarded them the CEN blog on safer syringes.http://cenblog.org/the-safety-zone/2013/02/engineering-safer-syringes/
The lab's SOP calls for not reusing their syringes & only filling them 50%. I asked them to write in more clearly that they are to dispose in sharps container.
The questions I'm hoping any of you with similar hazards can help with:
1. Is there enough residual material in the syringe that it could be hazardous?
2. Should there be a sharps container stored in the fume hood for the exclusive use of these syringes (avoiding incompatible material that may be left in the syringe)
3. If not a sharps container, what/how does your labs dispose of these syringes?
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