
pg. 58 Rev E 12/2/14
28. Determine the Ash content within the TDF residue.
See the “Ash Determination” section of this manual for recommended procedures.
29. Calculate the % TDF value.
[(R
1
+ R
2
)/2] - P - A - B
[(( f
F1
- f
S1
- D
1
) + ( f
F2
- f
S2
- D
2
))/2] - P
1
- (A
2
- D
2
) - B
Original wt of duplicate samples adjusted for pre-treatment fat and sugar losses (g)
Residue for duplicate samples (g)
Final Filter Bag with residue (g)
Original wt of Diatomaceous Earth (g)
Protein of residue and bag (g)
Ash of residue and bag (g)
[(BR
1
+ BR
2
)/2] - P
B
- (A
B
- D
B
)
[((f
BF1
- f
BS1
- D
B1
) + (f
BF2
- f
BS2
- D
B2
))/2] - P
B1
- (A
B2
- D
B2
)
Residue for duplicate blanks (g)
Final Blank Filter Bag (g)
Initial Blank Filter Bag (g)
Protein of Blank Filter Bag (g)
Ash of Blank Filter Bag (g)
Original wt of Diatomaceous Earth in Blank Filter Bag (g)
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