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Optional at kit test modules, Test procedure – LaMotte AT Visual Series Water Softener Demo Kit User Manual

Page 15

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15

Optional AT Kit Test Modules

Nitrate-Nitrogen • CODE 4-3004-01

Nitrogen is essential for plant growth, but the presence of excessive amounts in water supplies presents a major

pollution problem. Nitrogen compounds may enter water as nitrates or be converted to nitrates from agricultural

fertilizers, sewage, industrial and packing house wastes, drainage from livestock feeding areas, farm manures,

and legumes.
*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.

TEST

PROCEDURE

Fill a test tube
(0106) to the
5 mL line
with the water
sample.

Insert Nitrate-
Nitrogen
Octa-Slide 2 Bar
(3494-01)
into the Octa-
Slide 2 Viewer
(1101).

Insert test tube
into Octa-Slide 2
Viewer.

Cap and mix
until tablet
disintegrates.

Add one
*Nitrate #1
Tablet
(2799A).

Cap and mix for
two minutes to
disintegrate the tablet.

Add one *Nitrate #2
CTA TesTab
(NN-3703).
Immediately slide
the test tube into the
Protective Sleeve
(0106-FP).

Wait 5 minutes. Remove
the tube from the protective
sleeve. NOTE: Nitrate
#2 CTA Tablets
(NN-3703) are sensitive
to UV light. If
testing indoors,
there is no need
to use the
Protective Sleeve
in this procedure.

Match sample color
to a color standard.
Record as ppm
Nitrate-Nitrogen.

To convert to
Nitrate,
multiply the
results by 4.4.

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