SHRP-A-379 traducir

5.9.2 Purge tube, ¼ in polypropylene tubing 23 in long
5.10 Hot oil bath, capable of heating oil to 177°C
5.11 Copper tubing (note 1), amount adequate to connect apparatus as shown in
figure 1
NOTE 1.--The
apparatus.
quantity of copper tubing needed will be dependent upon the space utilized in setting up the
5.12 Single Speed Mixing Motor, 150 W, 30 rpm
5.13 Polypropylene Tubing (note 2), ¼ in for transferring solution throughout the
procedure
NOTE2.--To avoid contamination of the sample due to solvent degradation of the tubing, do not substitute
Nalgene or rubber tubing for the polypropylene tubing specified.
5.14 Woven polypropylene filter cloths--Coarse filter made from 2 x 2 twill weave,
monofilament, 8 micron or 5 CFM rating, and fine filter made from oxford weave
multifilament, 1-2 micron or .5 CFM rating
5.15 Centrifuge, batch unit capable of exerting a minimum centrifugal force of 770
times gravity
5.16 Wide-mouth centrifuge bottles, 250 mL
5.17 Thermometer, having a range of-2 to 300°C
5.18 Glass wool, borosilicate
5.19 Six 3-mm glass boiling beads
6. REAGENTS
6.1 Toluene, reagent grade
6.2 Ethanol, absolute
6.3 Nitrogen gas, at least 99.95% pure, in a pressurized tank, with pressurereducing
valve.
6.4 Argon gas, at least 99.99% pure, in a pressurized tank.
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