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  • Stabilised Formazine reference suspension for the determination of lucidity/opalescence according to European Pharmacopeia 6.0.

  • The DR300 maintains the Pocket Colorimeter legacy of reliability while providing state-of-the-art data transfer capability and connection to Claros*. Reduce data collection hassles, eliminate transcription errors, and ensure stronger compliance traceability. Proven past. Innovative future. …

  • 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…

  • Reagent for chlorine determination by iodometric titration. APHA formulation. 1 liter bottle.

  • Expert water analysis made simple. Simplicity throughout: The DR3900 spectrophotometer provides the simplest way to perform tests for water analysis. Used together with TNTplus™ test kits testing steps are reduced. The potential for human errors is minimized. The system of…

  • Water Quality Testing. Dramatically Streamlined. The Hach SL1000 Portable Parallel Analyzer (PPA) performs the same tests with less than half the manual steps. Get highly accurate results, with less opportunity for errors, in a fraction of the time. Up to six parameters, tested…

  • Use Hach's Patented Chemkey™ Technology with the SL1000 Portable Parallel Analyzer (PPA) for dramatically streamlined water quality testing. Chemkeys are a new technology from Hach that are designed for use with the SL1000-PPA Portable Parallel Analyzer. Same Trusted…

  • ACS Grade, CAS No. 7778-80-5, K2SO4, FW = 174.27.

  • Test 'N Tube Reagent Set for Total Nitrogen, Total/Reactive Phosphorus, Ammonia, Nitrate, and Nitrite. Use to Optimize Waste Treatment Processes for Nutrient Removal. Contains one package each: 2742545, 2742645, 2608345, 2605345, 2606945 and 2672245

  • Accessories for AT/KF Series Automatic Titrators. The AT1000 & FF1000 Instrument and Reagents are sold separately.

  • 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. Fast,…

  • Method: 8194 Spectrophotometer Diaminobenzidine Range: 0.01 - 1.00 mg/L Se

  • The HQ Series is for water quality professionals who want to perform electrochemical analysis for field and lab environments.  Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness…

  • Replacement sample cells for use with portable turbidimeters. Pack of six sample cells with caps

  • The HQ Series is for water quality professionals who want to perform electrochemical analysis for field and lab environments.  Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness…

  • The DR1900 excels in the field because it is the lightest and most compact portable spectrophotometer. Your field testing takes you to potentially dusty and wet conditions where other equipment simply won’t be safe. The DR1900 is built for rugged conditions, and it’s flexible,…

  • Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trizalent metals have a similar effect, but usually are not present in high enough concentration in potable waters to cause problems. Hardness increases soap consumption in laundries and causes scale in boilers. …

  • Faster than a buret Accurate to ±1% Completely portable Interchangeable cartridges Hach’s digital titrator is fast, accurate and produces repeatable results. It uses concentrated titrants packaged in compact, interchangeable cartridges formulated for measuring over 40 parameters. The digital…

  • EDTA Cartridges for Digital Titrator For the determination of Total Hardness 0.0716 M Digits x 0.1 = mg/L Fe in 50 mL, Digits x 8.95 x 10-5 = mmole fe

  • The HQ Series is for water quality professionals who want to perform electrochemical analysis for field and lab environments.  Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness…

  • The HQ Series is for water quality professionals who want to perform electrochemical analysis for field and lab environments.  Our new portable platform will allow you to collect intuitive, accurate measurements, manage data, and easily review results, while supplying an IP67 robustness…

  • APHA, Chlorine (DPD Titration Method)

  • Field-ready unit can be used with a variety of power sources for reliable, accurate incubation. Portable Designed for field use in Microbiological Environmental Laboratories (MELs). Small and lightweight. Versatile for testing needs Ideally suited for total coliform, fecal…

  • Method: Molybdovanadte Range: up to 45.0 mg/L PO4 3- Sample Size: 25 mL Bottle/100 mL (about 50 test)

  • Thomas No. Description 1217K43 pH electrode + A.T.C., for general use, low Cost, plastic body, pH 0...14, 0...80 ºC. For portable meters. 1217K44 pH electrode + A.T.C., for difficult media, open diaphragm, glass body, pH 2…14, 0…80 ºC. For portable…

  • For determination of volatile acids by the esterification method (Hach method 8196). 100 mL bottle

  • Silica Gel with Indicator for use as desiccating agent. Drying agent. 454 g bottle.

  • DPD Method, Free Chlorine Reagent Powder Pillows Pack of 100 USEPA accepted for reporting drinking water analysis using Hach Method 8021 Sample Size: 10 mL Range: up to 2.00 mg/L For best results use with a Hach colorimeter or spectrophotometer. Backed by over 20 years of DPD experience!

  • Hach's new variable volume single-channel, air-displacement pipets feature robust design, comfortable ergonomics, slim-line tip ejection, and single-handed operation. Outstanding accuracy with adjustments in 50 µL increments (0.05 mL). Ideal for use with HACH TNTplus reagents. Supplied…

  • For dissolved oxygen determination by Winkler titration. Digits x 0.1 = mg/L DO in 25 mL. Stabilized sodium thiosulfate formulation Accurate results - when and where you need them Fast and Flexible Versatile Economical

  • Iron (Total) Reagent USEPA approved method for reporting wastewater analysis using Hach Method 8008 Method: FerroVer® Range: up to 3.00 mg/L Sample: 10 mL pk/100 Powder Pillows

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