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Nitrogen, Total
5.
Place the vials in the
reactor. Heat for exactly
30 minutes.
9.
Cap the tubes and
shake for 15 seconds.
Nitrogen, Total
Page 2 of 8
6.
Using finger cots,
immediately remove the
hot vials from the reactor.
Cool the vials to room
temperature.
10.
Touch the timer icon.
Touch
.
OK
A three-minute reaction
period will begin.
Hach Programs
7.
Touch
.
Hach Programs
Select program
.
350 N, Total TNT
Touch
.
Start
11.
After the timer beeps,
remove the caps from the
vials and add one TN
Reagent B Powder Pillow
to each vial.
8.
Remove the caps
from the digested vials
and add the contents of
one Total Nitrogen (TN)
Reagent A Powder Pillow
to each vial.
12.
Cap the tubes and
shake for 15 seconds.
Note: The reagent may not
dissolve completely after
shaking. This will not affect
accuracy.
The solution will begin to
turn yellow.
NitrogenTot_TNT_Other_PSD_Eng_Ody.fm
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