ANKOM 2000 Series - Manual (Page 28)

Operator’s Manual
pg. 28
Rev E 1/14/15
IMPORTANT
The Crude Fiber analysis will use the following settings:

40 minute Acid Digestion

40 minute Base digestion
 two 5 minute Acid rinses

three 5 minute Base rinses
If you want to run a custom Crude Fiber analysis that allows you to set the digestion times
and the number of rinse cycles, press the arrow keys until you see “Select Custom” on the
Display.
8. Press ENTER on the Keypad and follow the prompts on the Display to set up the instrument for Crude
Fiber analysis.
9. Close the Vessel Lid tightening it by turning the Vessel Clamp Handle.
10. Press START on the Keypad. Solution will flow first into the vessel through Port A.
Once the analysis begins, digestions and rinses occur automatically, with the
analyzer Display providing information about the process time remaining, the
temperature, and the pressure. Pressing STOP on the Keypad at any time during
the analysis ends the operation and opens the drain to exhaust the solution.
11. When the “Process Complete” message appears on the Display, the analyzer operation is complete.
Open the Vessel Lid and remove the Samples at this time.
12. Gently press out excess water from the bags.
13. Place bags in a 250ml beaker and add enough acetone to cover them. Let the bags soak in acetone for
3 – 5 minutes.
14. Remove the bags from the acetone and place them on a wire screen to air-dry.
IMPORTANT
Do NOT place bags in the oven until the acetone has completely evaporated.
15. Place air-dried bags in the oven and heat at 102°C ± 2° for 2 – 4 hours (depending on the oven).