Chemistries, Reagents and Standards

Chemistries, Reagents and Standards
Hach® has more than 60 years of history dedicated to formulating and packaging high-quality reagents for water analysis. We understand your applications and formulate our reagents to ensure exceptional performance and deliver results you can trust, time after time. Our expertise extends beyond chemistry formulation to the complete reagent system. Hach chemistries are rigorously tested in combination with our packaging and instruments to ensure the highest possible system performance. No other company can offer these advantages.
 

Learn more about water quality parameters:

Alkalinity │ Ammonia/Ammonium │ BOD │ Chlorine │ COD  
Dissolved Oxygen │ Hardness │ Nitrite/Nitrate │ Nitrogen   
pH │ Phosphorus │ Silica │ Sodium │ Solids │ TOC │ Turbidity

 
 
 

Shop by Parameter:

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Browse Products by Parameter

 

A

Acid-Base Acidity Alkalinity Aluminum Ammonia Ammonia, Free Ammonia, Free and Total Ammonium Anammox Activity Aqua Ammonia / HR Ammonium Hydroxide Arsenic Ascorbic Acid

B

Bacteria Barium Benzotriazole / Tolyltriazole BOD (Biochemical Oxygen Demand) Boron Bromine

C

Cadmium Calcium Hardness Carbon Dioxide Cationic Surfactants Chelant Chloride Chlorine & Bromine, Total Chlorine Demand / Requirement Chlorine Dioxide Chlorine, Free Chlorine, Free & Total Chlorine, Hypochlorite Chlorine, Total Chlorite Chromate Chromium, Hexavalent Chromium, Hexavalent and Total Chromium, Total Cobalt

C

COD (Chemical Oxygen Demand) Color Conductivity Copper Cyanide Cyanuric Acid

D

Detergents / Surfactants Dissolved Oxygen

F

Fluoride Formaldehyde FOS/TAC

G

Glutaraldehyde Glycol

H

Hardness Hydrazine Hydrogen Peroxide Hypochlorite

I

Iodine Ion Chromatography Iron

L

Lead

M

Magnesium, Total Manganese Mercury Molybdenum Monochloramine

N

Nickel Nitrate Nitrite Nitrogen, Ammonia Nitrogen, Total Nitrogen, Total Inorganic (TIN) Nonionic surfactants

O

Oil and Grease Organic Constituents Oxidation-Reduction Potential (ORP) Oxygen Scavengers

O

Ozone

P

Peracetic Acid (PAA) pH Phenols Phosphonates Phosphorus Potassium

Q

Quaternary Ammonium Compounds

S

Salinity Selenium Silica Silver Sodium Solids, Nonfilterable Suspended Solids, Total Solids, Total Filterable Solids, Total Volatile and Fixed Solids, Volatile Dissolved & Fixed Dissolved Sulfate Sulfide / Hydrogen Sulfide Sulfite Sulfur Dioxide

T

Tannin and Lignin TDS (Total Dissolved Solids) TKN Total Organic Carbon (TOC) Toxicity TPH in Soil TPH in Water Trihalomethane Formation Potential (THMFP) Trihalomethanes, Total (THM) Turbidity

V

Vicinal diketones Volatile Acids

W

Water in Oil

Z

Zinc