<p>Air sensitive cannula - syringe valve
</p>
<ul><li><b>1:</b> -</li>
<li><b>2:</b> -</li>
<li><b>3:</b> Higher flask with transfer liquid (yellow) to transfer</li>
<li><b>4:</b> Lower receiving flask/transfered liquid (yellow)</li>
<li><b>5:</b> Liquid transfer cannula</li>
<li><b>6:</b> Septum (orange) on transfer flask</li>
<li><b>7:</b> Septum (orange) on receiving flask</li>
<li><b>8:</b> -</li>
<li><b>9:</b> -</li>
<li><b>10:</b> Gas cannula</li>
<li><b>11:</b> 2-way syringe stopcock</li>
<li><b>12:</b> Gas-tight syringe</li>
<li><b>13:</b> Gas/pressure removed from flask 4</li>
<li><b>14:</b> Gas/pressure added to flask 3</li></ul><p><font color="blue">O</font> = Open stopcock; <font color="red">X</font> = Closed stopcock; black-arrow = Gas flow direction, orange arrow = Liquid flow direction
</p><p><br></p>
Note: By use of syringe and two way syringe stop-cock, the atmosphere of flask 7 can be forced into the flask 3, which will now be at higher pressure, to start the siphon effect. Once the siphon effect has started, it may be necessary to open the syringe stop-cock to allow the atmospheres to equal.
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