Hach calibration pH buffers are available in a variety of color-coded or colourless solutions, in different packaging types and sizes from 15 mL up to 20 L. pH buffers are also available in convenient single-use pouches (Singlet) and unit-dose powder pillows for on-site and field analyses ensuring…

Single-Use Standards Pk/20 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

StablCal® Turbidity Standard for all Turbidimeters. USEPA accepted for calibration purposes. StablCal® Stabilized Formazin Turbidity Standards are true Formazin dilutions developed for use in any turbidimeter.  Precise, Pre-mixed Formazin Solutions StablCal is Safe to Handle…

Nitrate Reagent, NitraVer® 6, Low Range Range: 0-0.40 mg/L as nitrate-N Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

COD Digestion Vials, Ultra Low Range This method is not USEPA Approved Method: Reactor Digestion, Hach Method 8000 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Nitrogen, Nitrate/Nitrite: Excessive amounts of nitrate or nitrite in water can cause infant death, adult illness, and produce spontaneous abortion in cows. Some wells contain high levels of nitrate. When water contains high nitrate levels, nitrites often are present in low concentration. …

This silicone oil is odorless, colorless, water-repellent and yet permeable to air. It is mechanically, chemically, and thermally stable. Multiple uses, including preparation of turbidity sample cells Excellent lubricant In self-contained 15 mL (0.5 oz) dropping bottles …

For determination of phenols by the 4-Aminoantipyrine Method. Hach method 8047 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

EDTA Cartridges for Digital Titrator For the determination of Total Hardness 0.0800 M Digits x 0.0001= mmole Fe Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place…

1.600 N Sulfuric Acid Digital Titrator Cartridge for use with Hach's digital titrator (169001). Used in the digital titator method for determination of alkalinity. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach…

For total chlorine determination by the DPD Method. USEPA accepted for reporting drinking and wastewater analysis using Hach Method 8167 Sample Size:10 mL Range: up to 2.00 mg/L Pack of 100 Powder Pillows For best results use with a Hach colorimeter or spectrophotometer. …

Internal filling solution for use with PHC281 IntelliCAL™ Ultra pH Probes. 59 mL bottle with dispenser cap. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For pH Test Kit (color cube) pk/50 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For use with BODTrak II Apparatus. Meets Standard Methods 5210 D requirements. Use one pillow per sample bottle. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Normally found in water and soil as ammonia (NH₃), nitrate (NO₃), and nitrite (NO₂), nitrogen is an indispensable part of the life cycle. However, concentrations above certain levels can present problems. Thomas No. 3241S80 Utilizing the simple color…

Alkaline Cyanide Reagent, Solution For determination of low level manganese Bottle/100 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Manver 2 Hardness Indicator Powder Pillows, 50mL Sample, pk/100 ; indicator for hardness titrations. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Developed for cleaning rust-fouled ion-exchanged resins. Use to remove rust desposits in lab, shop, laundry or factory applications. Easy-to-use granules pour freely from container. CAS #: 7631-90-5, 7775-14-6 Hach products are intended for sale/shipment within the US only.…

Dissolved silica is found in almost all natural waters. Its presence is undesirable for many industrial uses because of scale formation. High-pressure boiler turbines are especially susceptible.  Test kits contain a reagent to remove phosphate interference as well as reagents for measuring…

Nitrogen-Ammonia Standard Solutions as NH3-N 100 mg/L Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For determination of Chemical Oxygen Demand (COD) by the Reactor Digestion Method, using TNTplus™ vials. Hach Method 10212. Range: 250-15,000 mg/L COD. Reduce Errors with Bar-coded Vials and RFID No Reagent Blank Necessary Innovative Vial and Reagent Delivery Helpful package…

Alkaline Iodide-Azide Reagent, Solution For Dissolved Oxygen Bottle/500 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Diphenylcarbazone Powder Pillows, 100mL sample, pk/100; For chloride mercuric nitrate method Powder pillows for 100-mL sample Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Method: Nitrogen, Ammonia Salicylate Sample Size: 10 mL pk/100 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

For use in the heteropoly blue method (Hach method 8186) for the determination of low range silica (0-1.60 mg/L SiO2). Sample Size: 25 mL Method Name: Heteropoly Blue Pack of 1000 Powder Pillows Hach products are intended for sale/shipment within the US…

Reagents Chlorine is the most widely used disinfectant for drinking water and is also important for sanitizing swimming pools, cooling towers, other industrial equipment and treatment of wastewater. Its measurement and control are vital for both safety and economic reasons. Many Hach chlorine…

PAN Indicator Solution 0.1% Colorimetric Reagent for low level Manganese Determinations Bottle/100 mL Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

USEPA accepted for reporting wastewater analysis using (Hach Method 8051). Method: SulfaVer® 4 Range: up to 70 mg/L Pack of 100 Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place…

IntelliCAL™ CDC401 is a digital, graphite, 4-pole conductivity probe. The standard version is available with a 3 or 1 m cable and is intended for laboratory use. The CDC401 is ideal for measuring electrical conductivity, salinity, resistivity, or total dissolved solids (TDS) in wastewater,…

For Nitrogen, Ammonia Salicylate Method Sample Size: 10 mL pk/100 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place orders for Hach products.

Stainless steel rack for holding hot COD vials or test tubes prior to reading. Fit Hach COD vials and Test 'N Tube vials. Vials not inlcuded. Hach products are intended for sale/shipment within the US only. International customers should contact their local Hach distributor to place…