Ankom Delta, Руководство оператора

Страница: 23 / 37

Operator’s Manual
Rev 4/24/20
pg. 23
23. Allow the bags to cool to room temperature. This should take about 10 – 15 minutes.
24. Remove one filter bag from the Desiccant Pouch. Press the pouch to remove ambient air and zip it tight.
25. Re-weigh the filter bag (W
3
) immediately.
26. Repeat steps 24 and 25 for each filter bag in the Desiccant Pouch.
27. Calculate NDF using the following formula.
% NDF = 100 x (W
3
– (W
1
x C
1
))
(as-received basis) W
2
Where: W
1
= Bag tare weight
W
2
= Sample weight
W
3
= Dried weight of filter bag with fiber after extraction process
C
1
= Blank bag correction (running average of final oven-dried weight
divided by original blank bag weight)