Nitrogen Testing


Monitor nitrogen levels in water treatment.


Nitrogen testing kits measure nitrate, nitrite, and ammonia in water and wastewater. These tests help ensure compliance with environmental regulations.

Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
$28.95

Mfr. Part # AS1010-P

Product # 706913

Core & Main Ammonia Standard, 5ppm as N, 1 L
Quick View
Core & Main Ammonia Standard, 5ppm as N, 1 L
$74.60

Mfr. Part # AS1005-Q

Product # 706912

Core & Main Ammonia Standard, 5ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard, 5ppm as N, 500 mL
$34.00

Mfr. Part # AS1005-P

Product # 706911

Core & Main Ammonia Standard, 3ppm as N, 1 L
Quick View
Core & Main Ammonia Standard, 3ppm as N, 1 L
$62.95

Mfr. Part # AS1003-Q

Product # 706910

Core & Main Ammonia Standard, 3ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard, 3ppm as N, 500 mL
$34.00

Mfr. Part # AS1003-P

Product # 706909

Core & Main Ammonia Standard, 2ppm as N, 1 L
Quick View
Core & Main Ammonia Standard, 2ppm as N, 1 L
$66.35

Mfr. Part # AS1002-Q

Product # 706908

Core & Main Ammonia Standard, 2ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard, 2ppm as N, 500 mL
$34.00

Mfr. Part # AS1002-P

Product # 706907

Core & Main Ammonia Standard, 1000ppm as N, 1 L
Quick View
Core & Main Ammonia Standard, 1000ppm as N, 1 L
$64.70

Mfr. Part # AS1000-Q

Product # 706906

Core & Main Ammonia Standard, 1000ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard, 1000ppm as N, 500 mL
$42.25

Mfr. Part # AS1000-P

Product # 706905

Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
Quick View
Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
$55.70

Mfr. Part # AS1202-Q

Product # 706904

Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
Quick View
Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
$34.00

Mfr. Part # AS1202-P

Product # 706903

Hach Free & Total Ammonia Chemkey, 25/Box, 8791500
Quick View
Hach Chemkey Free & Total Ammonia 25/Box 8791500
$244.00

Mfr. Part # 8791500

Product # 707789

Hach Nitrogen, Ammonia Test Kit, Model NI-8, 224100
Quick View
Hach Nitrogen, Ammonia Test Kit, Model NI-8, 224100
$154.00

Mfr. Part # 224100

Product # 700857

Hach Nitrogen, Nitrite Color Disc Test Kit, Model NI-6, 224000
Quick View
Hach Nitrogen, Nitrite Color Disc Test Kit, Model NI-6, 224000
$215.00

Mfr. Part # 224000

Product # 700856

Hach Nitrogen, Nitrite Test Kit, Model NI-15, 2182000
Quick View
Hach Nitrogen, Nitrite Test Kit, Model NI-15, 2182000
$154.00

Mfr. Part # 2182000

Product # 701269

Hach Nitrate Test Kit, Model NI-11, 146803
Quick View
Hach Nitrate Test Kit, Model NI-11, 146803
$154.00

Mfr. Part # 146803

Product # 700763

Hach Nitrogen, Nitrate Color Disc Test Kit, Model NI-14, 1416100
Quick View
Hach Nitrogen, Nitrate Color Disc Test Kit, Model NI-14, 1416100
$155.00

Mfr. Part # 1416100

Product # 700960

Hach Nitrification Control Test Kit, 2882200
Quick View
Hach Nitrification Control Test Kit, 2882200
$3,036.00

Mfr. Part # 2882200

Product # 701975

Hach Nitrogen, Ammonia Test Kit, Model NI-SA, 2428700
Quick View
Hach Nitrogen, Ammonia Test Kit, Model NI-SA, 2428700
$165.00

Mfr. Part # 2428700

Product # 701552

Hach Nitrite Color Disc, 0-80, 0-1600 mg/L, 9262900
Quick View
Hach Nitrite Color Disc, 0-80, 0-1600 mg/L, 9262900
$89.05

Mfr. Part # 9262900

Product # 702485

Hach Color Disc, Nitrite Nitrogen LR, 9262300
Quick View
Hach Color Disc, Nitrite Nitrogen LR, 9262300
$89.05

Mfr. Part # 9262300

Product # 702481

Hach Nitrate Nitrogen Color Disc, 0-40 mg/L, 9261400
Quick View
Hach Nitrate Nitrogen Color Disc, 0-40 mg/L, 9261400
$89.05

Mfr. Part # 9261400

Product # 702476

Hach Nitrate-Nitrite Test Kit, Model NI-12, 1408100
Quick View
Hach Nitrate-Nitrite Test Kit, Model NI-12, 1408100
$257.00

Mfr. Part # 1408100

Product # 700951

Hach Calcium Sulfate Powder, 50 Tests, 1232120
Quick View
Hach Calcium Sulfate Powder, 50 Tests, 1232120
$37.75

Mfr. Part # 1232120

Product # 700924

Hach Mineral Stabilizer Solution, 500 mL, 2376649
Quick View
Hach Mineral Stabilizer Solution, 500 mL, 2376649
$118.00

Mfr. Part # 2376649

Product # 701504

Hach Polyvinyl Alcohol Dispersing Agent, 500 mL, 2376549
Quick View
Hach Polyvinyl Alcohol Dispersing Agent, 500 mL, 2376549
$55.85

Mfr. Part # 2376549

Product # 701502

Hach Mineral Stabilizer Solution, 50 mL SCDB, 2376626
Quick View
Hach Mineral Stabilizer Solution, 50 mL SCDB, 2376626
$25.09

Mfr. Part # 2376626

Product # 701503

Hach Polyvinyl Alcohol Dispersing Agent, 50 mL SCDB, 2376526
Quick View
Hach Polyvinyl Alcohol Dispersing Agent, 50 mL SCDB, 2376526
$22.05

Mfr. Part # 2376526

Product # 701501

Hach TKN Indicator Solution, 50 mL SCDB, 2251926
Quick View
Hach TKN Indicator Solution, 50 mL SCDB, 2251926
$23.09

Mfr. Part # 2251926

Product # 701345

Hach Rochelle Salt-PVA Reagent, 100 mL MDB, 2199432
Quick View
Hach Rochelle Salt-PVA Reagent, 100 mL MDB, 2199432
$21.75

Mfr. Part # 2199432

Product # 701296

Hach Total Nitrogen Reagent A Powder Pillows, pk/50, 2671946
Quick View
Hach Total Nitrogen Reagent A Powder Pillows, pk/50, 2671946
$28.45

Mfr. Part # 2671946

Product # 701830

Hach Total Nitrogen Persulfate Powder Pillows, pk/50, 2671846
Quick View
Hach Total Nitrogen Persulfate Powder Pillows, pk/50, 2671846
$28.45

Mfr. Part # 2671846

Product # 701829

Hach Total Inorganic Nitrogen Pretreatment Reagent Set, 2604945
Quick View
Hach Total Inorganic Nitrogen Pretreatment Reagent Set, 2604945
$196.00

Mfr. Part # 2604945

Product # 701741

Hach Nitrogen (Total Kjeldahl) Reagent Set, 2495300
Quick View
Hach Nitrogen (Total Kjeldahl) Reagent Set, 2495300
$326.00

Mfr. Part # 2495300

Product # 701640

Hach Nutrients Advanced Reagent Set, TNTplus, 2925100
Quick View
Hach Nutrients Advanced Reagent Set, TNTplus, 2925100
$462.00

Mfr. Part # 2925100

Product # 701984

Hach Hydrogen Peroxide Solution, 50%, 490 mL, 2119649
Quick View
Hach Hydrogen Peroxide Solution, 50%, 490 mL, 2119649
$64.45

Mfr. Part # 2119649

Product # 701237

Hach Nitrogen (Total) TNTplus Vial Test, UHR, 20-100 mg/L N , 25 Tests, TNT828
Quick View
Hach Nitrogen (Total) TNTplus Vial Test, UHR, 20-100 mg/L N, 25 Tests, TNT828
$130.00

Mfr. Part # TNT828

Product # 700150

Hach Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L, 2755325
Quick View
Hach Ammonia (Nitrogen) Test Strips, 0-6.0 mg/L, 2755325
$40.85

Mfr. Part # 2755325

Product # 701889

Hach Nitrate and Nitrite Test Strips, 2745425
Quick View
Hach Nitrate & Nitrite Test Strips 2745425
$38.00

Mfr. Part # 2745425

Product # 701879

Hach Total Nitrogen Reagent Set, HR, TNT, 2714100
Quick View
Hach Total Nitrogen Reagent Set, HR, TNT, 2714100
$281.00

Mfr. Part # 2714100

Product # 701859

Hach Total Nitrogen Reagent Set, LR, TNT, 2672245
Quick View
Hach Total Nitrogen Reagent Set, LR, TNT, 2672245
$260.00

Mfr. Part # 2672245

Product # 701831

Hach Simplified TKN (s-TKN) TNTplus Vial Test, 0-16 mg/L N , 25 Tests, TNT880
Quick View
Hach Simplified TKN (s-TKN) TNTplus Vial Test, 0-16 mg/L N , 25 Tests, TNT880
$247.00

Mfr. Part # TNT880

Product # 700192

Hach Nitrogen (Total) TNTplus Vial Test, LR, 1-16 mg/L N , 25 Tests, TNT826
Quick View
Hach Nitrogen (Total) TNTplus Vial Test, LR, 1-16 mg/L N, 25 Tests, TNT826
$130.00

Mfr. Part # TNT826

Product # 700148

Hach Nitrogen (Total) TNTplus Vial Test, HR, 5-40 mg/L N , 25 Tests, TNT827
Quick View
Hach Nitrogen (Total) TNTplus Vial Test, HR, 5-40 mg/L N, 25 Tests, TNT827
$130.00

Mfr. Part # TNT827

Product # 700149

Hach Ammonia Membrane Replacement Kit, pk/5, 5192711
Quick View
Hach Ammonia Membrane Replacement Kit, pk/5, 5192711
$256.00

Mfr. Part # 5192711

Product # 702179

Hach NitriVer® 2 Nitrite Reagent Powder Pillows, pk/100, 181369
Quick View
Hach NitriVer 2 Nitrite Reagent Powder Pillows pk/100 181369
$55.09

Mfr. Part # 181369

Product # 700781

Hach Boric Acid Powder Pillows, pk/100, 1481799
Quick View
Hach Boric Acid Powder Pillows, pk/100, 1481799
$84.10

Mfr. Part # 1481799

Product # 701059

Hach Borate Buffer Solution, 1 L, 1470953
Quick View
Hach Borate Buffer Solution, 1 L, 1470953
$66.19

Mfr. Part # 1470953

Product # 701049