LaMotte Fresh Water Aquaculture - Manual (Page 24)

24
Nitrite Nitrogen
DESCRIPTION CODE
*Mixed Acid Reagent *V-6278-H
*Color Developing Reagent *V-6281-D
Spoon, 0.1 g, plastic 0699
Test Tube, plastic, w/cap 0106
Dispenser Cap 0692
Octa-Slide 2 Viewer 1101
Nitrite Nitrogen Octa-Slide 2 Bar, 0.05-0.8 ppm 3437-01
*WARNING: Reagents marked with an * are considered to be potential health hazards.
To view or print a Material Safety Data Sheet (MSDS) for these reagents go to
www.lamotte.com. To obtain a printed copy, contact LaMotte by e-mail, phone or fax.
NOTE: Place Dispenser Cap (0692) on *Mixed Acid Reagent (V-6278-H). Save this
cap for refi ll reagents.
5
MINUTES
Insert Nitrite-
Nitrogen Octa-
Slide 2 Bar
(3437-01) into
the Octa-Slide 2
Viewer (1101).
Insert test tube
into Octa-Slide 2
Viewer (1101).
Match sample color
to color standard.
Record results as
ppm Nitrite
Nitrogen.
To convert to Nitrite,
multiply results by 3.3.
Record as ppm Nitrite.
Nitrite-N (NO
3
-N) x 3.3 =
ppm Nitrite (NO
2
-)
1 2 3
4 6 5
7 8 9
Fill a test tube
(0106) to the
2.5 mL line
with the water
sample. Dilute to the
5mL line with
*Mixed Acid
Reagent
(V-6278). Use the 0.1 g
spoon (0699)
to add 0.1 g
of *Color
Developing
Reagent
(V-6281).
Cap and mix
by inverting
for one minute.
Wait 5
minutes.