Ankom ANKOM200 FIBER ANALYZER, Operator'S Manual

Page: 26 / 38

Operator’s Manual
pg. 26
Rev 1/24/20
19.
Press the
HEAT
and
AGITATE
buttons on the front of the instrument so they are lit. Look in the Vessel to confirm
agitation.
20. Close the Vessel Lid.
21. On the Timer/Clock, set the Timer to 40 minutes and press the Start/Stop button.
22.
When the Timer sounds, the extraction is complete. Press the
HEAT
and
AGITATE
buttons to turn them off (the
buttons will not be lit when they are off). Open the Exhaust Valve (slowly at first) and exhaust the hot solution
BEFORE opening the Vessel Lid.
IMPORTANT:
Because the Vessel is under pressure, the Exhaust Valve must be opened to release
the pressure and the solution BEFORE opening the Vessel Lid.
23. After the solution has been exhausted, open the Vessel Lid slowly to allow air to push any remaining liquid out the
Exhaust Hose.
24. Close the Exhaust Valve.
25. Add 1900 ml - 2000 ml of 50°C - 90°C rinse water.
IMPORTANT:
During the rinse process, if the
HEAT
button is OFF, the Vessel Lid can be open. If
the
HEAT
button is ON, the Vessel Lid must be closed.
26.
Press the
AGITATE
button.
27. On the Timer/Clock, set the Timer to 5 minutes and press the Start/Stop button.
28. When the Timer sounds, the rinse is complete. Slowly open the Exhaust Valve to drain the hot water.
29. Repeat steps 24 - 28 two times (total of three rinses).
30. After the third rinse, open the Vessel Lid and remove the Bag Suspender from the Vessel.
31. Remove the bags from the Bag Suspender trays and place them in an appropriately sized beaker.
32. With your hands, gently press out excess water from the bags into the beaker and pour
off the water from the beaker.
33. With the bags in a beaker, add enough acetone to cover them. Let the bags soak in
acetone for 3 - 5 minutes. Pour off the acetone.
34.
With your hands, gently press out excess acetone from the bags into the beaker and
pour off the acetone from the beaker.
35. Remove the bags from the beaker and place them on a wire screen to air-dry.
Hazardous Materials –
Do NOT place bags in an oven until all acetone in the bags
has evaporated.
36. Place air-dried bags in the oven and heat at 102°C ± 2° for 2 - 4 hours (depending on the oven).
37. Remove the bags from the oven and place them directly in a Desiccant Pouch. Flatten the
pouch to remove ambient air and zip it tight.
IMPORTANT:
Do NOT use conventional countertop or cabinet desiccators for this analysis.
38. Allow the bags to cool to room temperature. This should take about 10 - 15 minutes.