Optional at kit test modules, Test procedure – LaMotte AT Visual Series Water Softener Demo Kit User Manual
Page 15

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.
1.
2.
3.
4.
5.
6.
7.
9.
8.
