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Hanna Reagents

Reagents for Ion Specific Meters
Reagents for Turbidity Meters
Reagents for Chemical Test Kits

Purchasing Hanna Instruments is the best investment you can make in your application. To capitalize on your investment, our reagents are produced with exacting quality and then factory sealed to ensure precise and accurate measurements, every time. All reagents are listed by product type and then by parameter.

We take great care in providing our customers with all the reagents needed. However, we may have added a new one or discontinued an old one. to our list. So, if you cannot find the reagent for your meter listed here, please feel free to e-mail us so we can get you the information you need immediately.

Reagents For Ion Specific Meters	Back to Top
Code and Description	Code and Description
Aluminum, aluminon method Range: 0.00 to 1.00 mg/L (ppm) Reagents HI 93712-01 Reagent kit; 100 tests (Al) HI 93712-03 Reagent kit; 300 tests (Al)	Hydrazine, p-dimethylaminobenzaldehyde method Range: 0 to 400 µg/L (ppb) Reagents HI 93704-01 Reagent kit; 100 tests (N2H4) HI 93704-03 Reagent kit; 300 tests (N2H4)
Ammonia HR, Nessler method Range: 0.0 to 50.0 mg/L (ppm) Reagents HI 93733-01 Reagent kit; 100 tests (NH3 HR) HI 93733-03 Reagent kit; 300 tests (NH3 HR)	Iodine, DPD method Range: 0.0 to 12.5 mg/L (ppm) Reagents HI 93718-01 Reagent kit; 100 tests (I2) HI 93718-03 Reagent kit; 300 tests (I2)
Ammonia LR, Nessler method Range: 0.00 to 3.00 mg/L (ppm) Reagents HI 93700-01 Reagent kit; 100 tests (NH3 LR) HI 93700-03 Reagent kit; 300 tests (NH3 LR)	Iron HR, phenantroline method Range: 0.00 to 5.00 mg/L (ppm) Reagents HI 93721-01 Reagent kit; 100 tests (Fe HR) HI 93721-03 Reagent kit; 300 tests (Fe HR)
Ammonia MR, Nessler method Range: 0.00 to 9.99 mg/L (ppm) Reagents HI 93715-01 Reagent kit; 100 tests (NH3 MR) HI 93715-03 Reagent kit; 300 tests (NH3 MR)	Iron LR, TPTZ method Range: 0 to 400 µg/L (ppb) Reagents HI 93746-01 Reagent kit, 100 pkt; 50 tests (Fe LR) HI 93746-03 Reagent kit, 300 pkt; 150 tests (Fe LR)
Bromine, DPD method Range: 0.00 to 8.00 mg/L (ppm) Reagents HI 93716-01 Reagent kit; 100 tests (Br2) HI 93716-03 Reagent kit; 300 tests (Br2)	Manganese HR, periodate oxidation method Range: 0.0 to 20.0 mg/L (ppm) Reagents HI 93709-01 Reagent kit; 100 tests (Mn HR) HI 93709-03 Reagent kit; 300 tests (Mn HR)
Calcium & Magnesium, turbidimetric and calmagite methods Range: 0.00 to 2.00 mg/L (ppm) Reagents HI 93752-01 Reagent kit; 100 tests (Ca & Mg)	Manganese LR, PAN method Range: 0 to 300 µg/L (ppb) Reagents HI 93748-01 Reagent kit; 50 tests (Mn LR) HI 93748-03 Reagent kit; 150 tests (Mn LR)
Chloride, mercury (II) thiocyanate method Range: 0.0 to 20.0 mg/L (ppm) Reagents HI 93753-01 Reagent kit; 100 tests (Chloride) HI 93753-03 Reagent kit; 300 tests (Chloride)	Molybdenum, mercaptoacetic acid method Range: 0.0 to 40.0 mg/L (ppm) Reagents Accessories HI 93730-01 Reagent kit; 100 tests (Mo) HI 93730-03 Reagent kit; 300 tests (Mo)
Free Chlorine, DPD method Range: 0.00 to 2.50 mg/L (ppm) Reagents HI 93701-01 Powder reagent kit; 100 tests (Free Cl2) HI 93701-03 Powder reagent kit; 300 tests (Free Cl2) HI 93701-F Liquid reagent kit; 300 tests (Free Cl2)	Nickel HR, photometric method Range: 0.00 to 7.00 g/L (ppt) Reagents HI 93726-01 Reagent kit; 100 tests (Ni HR) HI 93726-03 Reagent kit; 300 tests (Ni HR)
Free & Total Chlorine, DPD method Range: 0.00 to 9.99 mg/L (ppm) Reagents HI 93734-01 Powder reagent kit; 100 tests (F & T Cl2) HI 93734-03 Powder reagent kit; 300 tests (F & T Cl2)	Nickel LR, PAN method Range: 0.000 to 1.000 mg/L (ppm) Reagents HI 93740-01 Reagent kit; 50 tests (Ni LR) HI 93740-03 Reagent kit; 150 tests (Ni LR)
Total Chlorine, DPD method Range: 0.00 to 3.50 mg/L (ppm) Reagents HI 93711-01 Powder reagent kit; 100 tests (Total Cl2) HI 93711-03 Powder reagent kit; 300 tests (Total Cl2) HI 93701-T Liquid reagent kit; 300 tests (Total Cl2) HI 93711-D3 DPD3 reagent; 600 tests (Total Cl2)	Nitrate, cadmium reduction method Range: 0.0 to 30.0 mg/L (ppm) Reagents HI 93728-01 Reagent kit; 100 tests (NO3–) HI 93728-03 Reagent kit; 300 tests (NO3–)
Chlorine Dioxide, chlorophenol red method Range: 0.00 to 2.00 mg/L (ppm) Reagents HI 93738-01 Reagent kit; 100 tests (ClO2) HI 93738-03 Reagent kit; 300 tests (ClO2)	Nitrite HR, ferrous sulfate method Range: 0 to 150 mg/L (ppm) Reagents HI 93708-01 Reagent kit; 100 tests (NO2– HR) HI 93708-03 Reagent kit; 300 tests (NO2– HR)
Hexavalent Chromium HR, diphenylcarbohydrazide method Range: 0 to 1000 µg/L (ppb) Reagents HI 93723-01 Reagent kit; 100 tests (Cr VI HR) HI 93723-03 Reagent kit; 300 tests (Cr VI HR)	Nitrite LR, diazotation method Range: 0.00 to 0.35 mg/L (ppm) Reagents HI 93707-01 Reagent kit; 100 tests (NO2– LR) HI 93707-03 Reagent kit; 300 tests (NO2– LR)
Hexavalent Chromium LR, diphenylcarbohydrazide method Range: 0 to 300 µg/L (ppb) Reagents HI 93749-01 Reagent kit; 100 tests (Cr VI LR) HI 93749-03 Reagent kit; 300 tests (Cr VI LR)	Oxygen, Dissolved, Winkler method Range: 0.0 to 10.0 mg/L (ppm) Reagents HI 93732-01 Reagent kit; 100 tests (D.O.) HI 93732-03 Reagent kit; 300 tests (D.O.)
Color, colorimetric platinum cobalt Range: 0 to 500 PCU Reagents Not required	pH, phenol red method Range: 5.9 to 8.5 pH Reagents HI 93710-01 Reagent kit; 100 tests (pH) HI 93710-03 Reagent kit; 300 tests (pH)
Copper HR, bicinchoninate method Range: 0.00 to 5.00 mg/L (ppm) Reagents Accessories HI 93702-01 Reagent kit; 100 tests (Cu HR) HI 93702-03 Reagent kit; 300 tests (Cu HR)	Phosphate HR, amino acid method Range: 0.0 to 30.0 mg/L (ppm) Reagents HI 93717-01 Reagent kit; 100 tests (PO43– HR) HI 93717-03 Reagent kit; 300 tests (PO43– HR)
Copper LR, bicinchoninate method Range: 0 to 990 µg/L (ppb) Reagents HI 93747-01 Reagent kit; 100 tests (Cu LR) HI 93747-03 Reagent kit; 300 tests (Cu LR)	Phosphate LR, ascorbic acid method Range: 0.00 to 2.50 mg/L (ppm) Reagents HI 93713-01 Reagent kit; 100 tests (PO43– LR) HI 93713-03 Reagent kit; 300 tests (PO43– LR)
Cyanide, pyridine-pyrazalone method Range: 0.000 to 0.200 mg/L (ppm) Reagents HI 93714-01 Reagent kit; 100 tests (CN-) HI 93714-03 Reagent kit; 300 tests (CN-)	Phosphorus, amino acid method Range: 0.0 to 15.0 mg/L (ppm) Reagents HI 93706-01 Reagent kit; 100 tests (P) HI 93706-03 Reagent kit; 300 tests (P)
Cyanuric Acid, turbidimetric method Range: 0 to 80 mg/L (ppm) Reagents HI 93722-01 Reagent kit; 100 tests (CYS) HI 93722-03 Reagent kit; 300 tests (CYS)	Potassium, turbidimetric method Range: 0.0 to 50.0 mg/L (ppm) Reagents HI 93750-01 Reagent kit; 100 tests (K)
Fluoride HR, SPADNS method Range: 0.0 to 20.0 mg/L (ppm) Reagents HI 93739-01 Reagent kit; 100 tests (F- HR)	Silica, heteropoly blue method Range: 0.00 to 2.00 mg/L (ppm) Reagents HI 93705-01 Reagent kit; 100 tests (SiO2) HI 93705-03 Reagent kit; 300 tests (SiO2)
Fluoride LR, SPADNS method Range: 0.00 to 2.00 mg/L (ppm) Reagents HI 93729-01 Reagent kit; 100 tests (F- LR) HI 93729-03 Reagent kit; 300 tests (F- LR)	Sulfate, turbidimetric method Range: 0 to 150 mg/L (ppm) Reagents HI 93751-01 Reagent kit; 100 tests (SO42-)
Hardness Ca, calmagite method Range: 0.00 to 2.70 mg/L (ppm) Reagents HI 93720-01 Reagent kit; 100 tests (Ca H.) HI 93720-03 Reagent kit; 300 tests (Ca H.)	Silver, PAN method Range: 0.000 to 1.000 mg/L (ppm) Reagents HI 93737-01 Reagent kit; 50 tests (Ag) HI 93737-03 Reagent kit; 150 tests (Ag)
Hardness Mg, EDTA method Range: 0.00 to 2.00 mg/L (ppm) Reagents HI 93719-01 Reagent kit; 100 tests (Mg H.) HI 93719-03 Reagent kit; 300 tests (Mg H.)	Zinc, Zincon method Range: 0.00 to 3.00 mg/L (ppm) Reagents HI 93731-01 Reagent kit; 100 tests (Zn) HI 93731-03 Reagent kit; 300 tests (Zn)
Hardness, Total, EDTA method Range: 0 to 750 mg/L (ppm) Reagents HI 93735-0 Reagent kit; 100 tests (0-750 mg/L) HI 93735-00 Reagent kit; 100 tests (0-250 mg/L) HI 93735-01 Reagent kit; 100 tests (200-500 mg/L) HI 93735-02 Reagent kit; 100 tests (400-750 mg/L)

Reagents For Turbidity Meters	Back to Top
Code and Description	Code and Description
Bromine, DPD method Range: 0.00 to 8.00 mg/L (ppm) Reagents HI 93716-01 Reagent kit; 100 tests (Br2) HI 93716-03 Reagent kit; 300 tests (Br2)	Iron LR, TPTZ method Range: 0.00 to 1.00 mg/L (ppm) Reagents HI 93746-01 Reagent kit, 100 pkt 50 tests (Fe LR) HI 93746-03 Reagent kit, 300 pkt 150 tests (Fe LR)
Free Chlorine, DPD method Range: 0.00 to 2.50 mg/L (ppm) Reagents HI 93701-01 Powder reagent kit; 100 tests (Free Cl2) HI 93701-03 Powder reagent kit; 300 tests (Free Cl2) HI 93701-F Liquid reagent kit; 300 tests (Free Cl2)	pH, phenol red method Range: 5.9 to 8.5 pH Reagents HI 93710-01 Reagent kit; 100 tests (pH) HI 93710-03 Reagent kit; 300 tests (pH)
Total Chlorine, DPD method Range: 0.00 to 3.50 mg/L (ppm) Reagents HI 93711-01 Powder reagent kit; 100 tests (Total Cl2) HI 93711-03 Powder reagent kit; 300 tests (Toal Cl2) HI 93701-T Liquid reagent kit; 300 tests (Total Cl2) HI 93711-D3 DPD3 reagent; 600 tests (Total Cl2)	Turbidity, ISO 7027 method Range: 0.00 to 1000 FTU Calibration Solutions HI 93703-0 AMCO-EPA-1 cal.sol. @ 0 FTU (30 mL) HI 93703-05 AMCO-EPA-1 cal.sol. @ 500 FTU (30 mL) HI 93703-10 AMCO-EPA-1 cal.sol. @ 10 FTU (30 mL)
Cyanuric Acid, turbidimetric method Range: 0 to 80 mg/L (ppm) Reagents HI 93722-01 Reagent kit; 100 tests (CYS) HI 93722-03 Reagent kit; 300 tests (CYS)	Turbidity, 180.1 USEPA method Range: 0.00 to 50.0 NTU Calibration Solutions HI 93102-0 AMCO-EPA-1 cal.sol. @ 0 NTU (30 mL) HI 93102-20 AMCO-EPA-1 cal.sol. @ 20 NTU (30 mL)
Iodine, DPD method Range: 0.0 to 12.5 mg/L (ppm) Reagents HI 93718-01 Reagent kit; 100 tests (I2) HI 93718-03 Reagent kit; 300 tests (I2)

Reagents For Chemical Test Kits	Back to Top
Code and Description	Code and Description
Acidity, base titration method Range: 0 to 100 mg/L (ppm) CaCO3 0 to 500 mg/L (ppm) CaCO3 Reagents HI 3820-100 Reagent kit; 100 tests (acidity)	Hydroxide, acid titration method Range: 0 to 1 g/L (ppt) OH– 0 to 10 g/L (ppt) OH– Reagents HI 3839-100 Reagent kit; 100 tests (hydroxide)
Acidity (total exch.), Potassium Chloride Method Range: 0 to 2.5 meq/100 g acidity Reagents HI 38084-100 Reagent kit; 100 tests (acidity)	Hypochlorite, iodometric method Range: 50 to 150 g/L (ppt) Cl2 Reagents HI 3843-100 Reagent kit; 100 tests (hypochlorite)
Alkalinity, acid titration method Range: 0 to 100 mg/L (ppm) CaCO3 0 to 300 mg/L (ppm) CaCO3 Reagents HI 3811-100 Reagent kit; 100 tests (alkalinity)	Iodine, DPD colorimetric method Range: 0 to 2.5 mg/L (ppm) I2 Reagents HI 3832-050 Reagent kit; 50 tests (iodine)
Alkalinity, acid titration method Range: 0 to 500 (gpg) CaCO3 Reagents HI 38014-100 Reagent kit; 100 tests (alkalinity)	Iodine, DPD colorimetric method Range: 0 to 5 mg/L (ppm) I2 Reagents HI 3879-100 Reagent kit; 100 tests (iodine)
Ammonia Fresh Water, Nessler colorimetric method Range: 0 to 2.5 mg/L (ppm) NH3-N Reagents HI 3824-025 Reagent kit; 25 tests (NH3-N fresh water)	Iron, phenanthroline colorimetric method Range: 0 to 5 mg/L (ppm) Fe Reagents HI 3834-050 Reagent kit; 50 tests (iron)
Ammonia Fresh Water, Nessler colorimetric method Range: 0 to 3.0 mg/L (ppm) NH3-N Reagents HI 38049-100 Reagent kit; 100 tests (NH3-N fresh water)	Iron, phenanthroline colorimetric method Range: 0 to 1.0 mg/L (ppm) Fe Reagents HI 38039-100 Reagent kit; 100 tests (iron)
Ammonia Sea Water, Nessler colorimetric method Range: 0 to 2.5 mg/L (ppm) NH3-N Reagents HI 3826-025 Reagent kit; 25 tests (NH3-N sea water)	Iron, phenanthroline colorimetric method Range: 0 to 5.0 mg/L (ppm) Fe Reagents HI 38040-100 Reagent kit; 100 tests (iron)
Ascorbic Acid, iodometric method Range: 10 to 200 mg/L (ppm) Reagents HI 3850-100 Reagent kit; 100 tests (ascorbic acid)	Iron, phenanthroline colorimetric method Range: 0 to 10.0 mg/L (ppm) Fe Reagents HI 38041-100 Reagent kit; 100 tests (iron)
Boron, Boric acid method Range: 0 to 5 mg/L (ppm) Boron Reagents HI 38074-100 Reagent kit; 100 tests (boron)	Magnesium (irrigation water), EDTA method Range: 0 to 240 mg/L (ppm) magnesium 0 to 725 mg/L (ppm) magnesium Reagents HI 38079-100 Reagent kit; 100 tests (magnesium)
Bromine, DPD colorimetric method Range: 0 to 3 mg/L (ppm) Br2 Reagents HI 3830-060 Reagent kit; 60 tests (bromine)	Magnesium + Calcium (soil), EDTA method Range: >0 meq/100 g magnesium + calcium Reagents HI 38080-100 Reagent kit; 100 tests (magnesium + calcium)
Calcium (irrigation water), Turbidimetric method Range: 0 to 125 mg/L Calcium 0 to 250 mg/L Calcium Reagents HI 38086-100 Reagent kit; 100 tests (calcium)	Manganese LR, cold periodate method Range: 0 to 3.0 mg/L (ppm) manganese Reagents HI 38042-100 Reagent kit; 100 tests (manganese)
Calcium + Magnesium, EDTA method Range: >0 meq/L Calcium + Magnesium Reagents HI 38081-100 Reagent kit; 100 tests (calcium + magnesium)	Manganese, cold periodate method Range: 0 to 10.0 mg/L (ppm) manganese Reagents HI 38072-100 Reagent kit; 100 tests (manganese)
Carbon dioxide, base titration method Range: 0 to 10 mg/L (ppm) CO2 0 to 50 mg/L (ppm) CO2 0 to 100 mg/L (ppm) CO2 Reagents HI 3818-100 Reagent kit; 100 tests (carbon dioxide)	Nitrate, cadmium reduction method Range: 0 to 50 mg/L (ppm) NO3--N Reagents HI 3874-100 Reagent kit; 100 tests (nitrate)
Chloride, mercuric nitrate titration method Range: 0 to 100 mg/L (ppm) Cl– 0 to 1000 mg/L (ppm) Cl– Reagents HI 3815-100 Reagent kit; 100 tests (chloride)	Nitrate (soil + irrigation), cadmium reduction method Range: 0 to 60 mg/L (ppm) NO3--N Reagents HI 38050-100 Reagent kit; 100 tests (nitrate)
Chloride, silver nitrate titration method Range: 500 to 10.000 mg/L (ppm) Cl– 5.000 to 100.000 mg/L (ppm) Cl– Reagents HI 38015-100 Reagent kit; 100 tests (chloride)	Nitrite, sulfanilamide method Range: 0 to 1 mg/L (ppm) NO2--N Reagents HI 3873-100 Reagent kit; 100 tests (nitrite)
Chlorine, Free, DPD colorimetric method Range: 0 to 2.5 mg/L (ppm) Cl2 Reagents HI 3831F-050 Reagent kit; 50 tests (free chlorine)	Nitrite, chromotropic acid method Range: 0 to 0.5 mg/L (ppm) NO2--N Reagents HI 38051-100 Reagent kit; 100 tests (nitrite)
Chlorine, Free, DPD colorimetric method Range: 0 to 3.5 mg/L (ppm) Cl2 Reagents HI 3875-100 Reagent kit; 100 tests (free chlorine)	Oxygen, Dissolved, Winkler method Range: 0 to 10 mg/L (ppm) O2 Reagents HI 3810-100 Reagent kit; 100 tests (D.O.)
Chlorine, Free, DPD colorimetric method Range: 0 to 0.7 mg/L (ppm) Cl2 0 to 3.5 mg/L (ppm) Cl2 Reagents HI 38018-200 Reagent kit; 200 tests (free chlorine)	Ozone, DPD method Range: 0 to 2.3 mg/L (ppm) O3 Reagents HI 38054-100 Reagent kit; 100 tests (ozone)
Chlorine, Total, DPD colorimetric method Range: 0 to 2.5 mg/L (ppm) Cl2 Reagents HI 3831T-050 Reagent kit; 50 tests (total chlorine)	pH, pH indicator method Range: 4.0 to 6.5 pH Reagents HI 3880-010 Reagent kit, 100 tests (4-6.5 pH, Cl2 reag.) HI 3880-100 Reagent kit; 100 tests (4-6.5 pH)
Chlorine, Total, DPD colorimetric method Range: 0 to 3.5 mg/L (ppm) Cl2 Reagents HI 38016-100 Reagent kit; 100 tests (total chlorine)	pH, pH indicator method Range: 6.0 to 8.5 pH Reagents HI 3881-010 Reagent kit, 100 tests (6-8.5 pH, Cl2 reag.) HI 3881-100 Reagent kit; 100 tests (6-8.5 pH)
Chlorine, Total, DPD colorimetric method Range: 0 to 0.7 mg/L (ppm) Cl2 0 to 3.5 mg/L (ppm) Cl2 Reagents HI 38019-200 Reagent kit; 200 tests (total chlorine)	pH, pH indicator method Range: 3.0 to 5.0 pH Reagents HI 3882-10 Reagent kit; 200 tests (3-5 pH)
Chlorine, Total, Iodometric method Range: 0 to 4.0 mg/L (ppm) Cl2 0 to 20.0 mg/L (ppm) Cl2 Reagents HI 38022-100 Reagent kit; 100 tests (total chlorine)	pH, pH indicator method Range: 4.0 to 6.5 pH Reagents HI 3886-010 Reagent kit, 100 tests (7.5-10 pH, Cl2 reag.) HI 3886-100 Reagent kit; 100 tests (7.5-10 pH)
Chlorine, Total, Iodometric method Range: 10 to 200 mg/L (ppm) Cl2 Reagents HI 38023-100 Reagent kit; 100 tests (total chlorine)	pH, pH indicator method Range: 4.0 to 10.0 pH Reagents HI 38058-100 Reagent kit, 100 tests (4.0-10.0 pH)
Chlorine, Free & Total, DPD colorimetric method Range: 0 to 0.7 mg/L (ppm) Cl2 0 to 3.5 mg/L (ppm) Cl2 Reagents HI 38017-200 Reagent kit; 200 tests (free & total chlorine)	Phenol, aminoantipyrine method Range: 0 to 1 mg/L (ppm) 0.5 to 5 mg/L (ppm) Reagents HI 3864-100 Reagent kit; 100 tests (phenol)
Chlorine, Free & Total, DPD colorimetric method Range: 0 to 0.7 mg/L (ppm) Cl2 0 to 3.5 mg/L (ppm) Cl2 0 to 10.0 mg/L (ppm) Cl2 Reagents HI 38020-200 Reagent kit; 200 tests (free & total chlorine)	Phosphate, ascorbic acid method Range: 0 to 5 mg/L (ppm) PO43–, orthophosphate Reagents HI 3833-050 Reagent kit; 50 tests (phosphate)
Chromium HR, iodometric method Range: 0 to 100 mg/L (ppm) Cr6+ 100 to 1000 mg/L (ppm) Cr6+ Reagents HI 3845-100 Reagent kit; 100 tests (Cr6+ HR)	Phosphate, ascorbic acid method Range: 0 to 5.0 mg/L (ppm) PO43–, orthophosphate Reagents HI 38077-100 Reagent kit; 100 tests (phosphate)
Chromium LR, dyphenylcarbohydrazide method Range: 0 to 1.0 mg/L (ppm) Cr6+ Reagents HI 3846-100 Reagent kit; 100 tests (Cr6+ LR)	Phosphate, ascorbic acid method Range: 0 to 1.0 mg/L (ppm) PO43–, orthophosphate 0 to 5.0 mg/L (ppm) PO43–, orthophosphate 0 to 50 mg/L (ppm) PO43–, orthophosphate Reagents HI 38061-100 Reagent kit; 100 tests (phosphate)
Copper HR, bicinchonic acid method Range: 0 to 2.5 mg/L (ppm) Cu Reagents HI 3847-100 Reagent kit; 100 tests (copper HR)	Phosphorus (soil), colorimetric method Range: 0 to 130 mg/L (ppm) Phosphorus Reagents HI 38073-100 Reagent kit; 100 tests (phosphorus)
Copper LR, bicinchonic acid method Range: 0 to 0.25 mg/L (ppm) Cu Reagents HI 3856-100 Reagent kit; 100 tests (copper LR)	Potassium, Turbidimetric method Range: 0 to 50 mg/L (ppm) Potassium 50 to 250 mg/L (ppm) Potassium Reagents HI 38082-100 Reagent kit; 100 tests (potassium)
Copper, bicinchonic acid method Range: 0 to 0.25 mg/L (ppm) Cu 0 to 6.0 mg/L (ppm) Cu Reagents HI 38075-100 Reagent kit; 100 tests (copper HR)	Salinity, mercuric nitrate titration method Range: 0 to 40 g/kg (ppt) Reagents HI 3835-100 Reagent kit; 100 tests (salinity)
Cyanide, pyridine-pyrazolone method Range: 0 to 0.3 mg/L (ppm) CN- Reagents HI 3855-100 Reagent kit; 100 tests (cyanide)	S.A.R., EDTA method Range: >0 meq/L Reagents HI 38078-100 Reagent kit; 100 tests (S.A.R)
Cyanuric acid, turbidimetric method Range: 10 to 100 mg/L (ppm) CYS Reagents HI 3851-100 Reagent kit; 100 tests (cyanuric acid)	Silica LR, silicon method Range: 0 to 1.00 mg/L (ppm) silica Reagents HI 38066-100 Reagent kit; 100 tests (silica)
Detergents, Methylene Blue method Range: 0 to 1.3 mg/L (ppm) ABS/LAS Reagents HI 3857-100 Reagent kit; 100 tests (detergents)	Silica HR, silicon method Range: 0 to 40 mg/L (ppm) silica 0 to 800 mg/L (ppm) silica Reagents HI 38067-100 Reagent kit; 100 tests (silica)
Formaldehyde, acid titration method Range: 0 to 1% CH2O 0 to 10% CH2O Reagents HI 3838-100 Reagent kit; 100 tests (formaldehyde)	Soil analysis, Ned (N), ascorbic acid (P), tetraphenylborate (K), pH indicators (pH) methods Range: traces, low, medium, high (nitrogen) traces, low, medium, high (phosphorus) traces, low, medium, high (potassium) 4 to 9 (pH) Reagents HI 3896-025 Reagent kit; 25 tests (N, P, K, pH)
Glycol, ethylene glycol method Range: Present/Absent Reagents HI 3859-25 Reagent kit; 25 tests (glycol)	Sulfate HR, barium chloride method Range: 20 to 100 mg/L (ppm) SO42- Reagents HI 38000-10 Reagent kit; 100 tests (sulfate HR)
Gypsum Requirement, calcium sulfate method Range: 0 to 213 metric ton/ha Reagents HI 38083-100 Reagent kit; 100 tests (gypsum requirement)	Sulfate LR, barium chloride method Range: 100 to 1000 mg/L (ppm) SO42- 1000 to 10000 mg/L (ppm) SO42- Reagents HI 38001-10 Reagent kit; 100 tests (sulfate HR)
Hardness, Total, EDTA titration method Range: 0 to 30 mg/L (ppm) CaCO3 0 to 300 mg/L (ppm) CaCO3 Reagents HI 3812-100 Reagent kit; 100 tests (hardness)	Sulfite, iodometric titration method Range: 0 to 20 mg/L (ppm) Na2SO3 0 to 200 mg/L (ppm) Na2SO3 Reagents HI 3822-100 Reagent kit; 100 tests (sulfite)
Hardness Total & Calcium, EDTA titration method Range: 0 to 20 gpg CaCO3 Reagents HI 38035-200 Reagent kit; 200 tests (hardness + calcium)	Zinc, zincon method Range: 0 to 3.0 mg/L (ppm) Zn Reagents HI 3854-100 Reagent kit; 100 tests (zinc)
Hydrazine, p-dimethylaminobenzaldehyde method Range: 0 to 1 mg/L (ppm) N2H4 Reagents HI 3849-100 Reagent kit; 100 tests (hydrazine)	Zinc, zincon method Range: 0 to 4.0 mg/L (ppm) Zn 0 to 20.0 mg/L (ppm) Zn Reagents HI 38076-100 Reagent kit; 100 tests (zinc)