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10 mL
10 mL
13.
When the timer
beeps, pour the contents
of each cylinder into
separate 10-mL sample
cells.
17.
Calculate sample
TKN as follows:
×
75 A
ppm TKN
=
----------------
×
B
C
Where:
A = mg/L read from the display
B = g (or mL of water) sample
taken for digest
C = mL analysis volume of
digested sample
NitrogenTK_None_Other_NES_Eng_Ody.fm
10 mL
14.
Wipe the blank and
place it into the cell
holder.
Nitrogen, Total Kjeldahl
Zero
15.
Touch
.
Zero
The display will show:
0 mg/L TKN
10 mL
16.
Wipe the prepared
sample and place it into
the cell holder.
Touch
.
Read
Results will appear in
mg/L TKN.
Nitrogen, Total Kjeldahl
Page 3 of 6
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