Since 1919
LaMotte Smart2 Colorimeter
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Individual Test Kits:

Ammonia Nitrogen (Individual Test Kits)

Ammonia Nitrogen: Two colorimetric methods are available. Nessler’s reagent reacts with ammonia to form a yellow to brown color; salicylate reacts to form a blue color, which in combination with the yellow reagent color, produces colors from yellow to blue. The salicylate method is preferred for salt water analysis and does not contain mercury salts as does the Nessler method.

Order Code/Model
Test System
Range/Sensitivity
# of Tests
(# Reagents)
Shipping Code (Weight/lbs)

3304

Salicylate
Octa-Slide
0.0, 0.05, 0.1, 0.25, 0.5, 1.0, 2.0 ppm NH3-N

50 (3)

HA (1)

5864 Salicylate
ColoRuler
0.0, 0.25, 0.50, 1.0, 2.0, 4.0 ppm NH3-N 50 (2) N (1)

3315
SL-PAN

Nessler
Octa-Slide
1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ppm NH3-N 50 (2) N (1)

3680-01
DC1200-NH

Nessler
Colorimeter
0–5 ppm/0.05 ppm NH3-N 100 (2) N (1)
Shipping Codes:

*(NPDWR) EPA Accepted
?(NPDES) EPA Accepted

Direct Reading Titrators have a specific range, but may be refilled to test higher concentrations.


LaMotte Company

P.O. Box 329 | 802 Washington Avenue | Chestertown | Maryland | 21620
Tel: 800-344-3100 (within the U.S.A.) | 410-778-3100 | 410-778-3101
Fax: 410-778-6394