The level of dissolved oxygen in natural waters is often a direct indication of quality, since aquatic plants produce oxygen, while microorganisms generally consume it as they feed on pollutants. At low temperatures the solubility of oxygen is increased; during summer, saturation levels can be as…

Most Widely used DPD Chlorine Tablets for Determining Free and Combined Chlorine DPD chlorine tablets employ DPD indicator (diethyl-p- phenylenediamine) to distinguish levels of free, combined, and total chlorine in a simple test sample. DPD chlorine tablets designated “Instrument…

Method: colorimetric with test strips and reagents 0.02 - 0.05 - 0.1 - 0.2 - 0.5 mg/l As 0.1 - 0.5 - 1.0 - 1.7 - 3.0 mg/l As MQuant™ UN Number: UN3316 Storage class: 10 - 13 Other liquids and solids Storage: Store at +15°C to +25°C. Hazard: Irritant;…

For measuring water turbidity (cloudiness) according to either EPA or ISO Standards Easy Calibration and Operation Auto Ranging from 0-1100 NTU Simple 5 key operation Signal Averaging for stable and accurate readings Long Battery and Bulb Life Portable for use either in the…

pH: 6.5 - 7.5 (H2O, 20°C) Solubility: (20°C) soluble Boiling Point: 100°C Density: 1.01 g/cm3 (20°C)

For determination of reactive (ortho) phosphate (phosphorus) by the PhosVer® 3 ascorbic acid method.  USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive.  Also used in acid-hydrolyzable and total phosphorus determination, after…

DPD Powder Pop® Dispenser with tests for Chlorine Compact and convenient Redesigned dispenser prevents clogging Dispense into round or square cuvettes Push button operation for precise dosing Portable dispensers accurately deliver the correct volume of DPD reagent for…

Tests 0-5 ppm Five intervals: 0, 0.5, 1, 3 and 5 50 strips per vial Unique range and sensitivity covers critical chlorine concentrations for many applications of food processing, water/wastewater treatment, education and other areas.

Ethylene glycol and propylene glycol are the primary ingredients in commercially-available antifreezes. They are used with various corrosion inhibitors to protect metal surfaces in cooling water systems. CHEMetrics glycol kits are used to monitor potable waters for glycol contamination…

Consumables & accessories for Sartorius Arium laboratory water systems. Arium® Smart Station flexible remote dispenser Ultrapure Water for benchtop or wall-mounted installation. The Arium® Smart Station is designed for flexible remote dispensing of ultrapure water directly at the…

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…

The Free Chlorine and pH Analyzer test kit is designed to measure Free Chlorine levels from 0.5 to 10.0 ppm and pH from 6.8 to 8.2. The Free Chlorine and pH tests are measured using tablet reagents with a convenient DipCell comparator. The kit includes easy to read multilingual (English,…

Detect free or total chlorine concentrations as low as 0.05ppm Test strips for field testing and quality-control procedures; provide a safe and economical alternative to reagent chlorine testing. Includes: 50 test strips are supplied in bottle labeled with instructions,…

Direct Reading Titrator (9859X42 and X43) For determining total hardness of water Range 0 to 200 ppm as CaCO₃ in 4 ppm increments Titrators may be refilled to test higher concentrations Sufficient for 50 tests at 200 ppm Direct Reading Titrator (9859X72 and X73) For…

Single Roll Hydrion Quat Check Test Paper provides a simple, reliable, and economical means to measure the concentration of Quaternary Sanitizers, specifically Alkyldimethylbenzyl ammonium compounds, Rocall II, and Hyamine 3500. The Color matches within the Hi Range cocentration at…

Octet Comparator Method (9859C70 and C71) For determining ammonia nitrogen in water using Nessler method Octet Comparator has color standards representing 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 and 8.0 ppm ammonia nitrogen Sufficient for 50 tests Octa-Slide Comparator Method…

This kit tests for Phosphate using the Octa-Slide 2 Comparator. Range is 1.0 - 10.0 ppm (PO₄) and 10 - 100 ppm (PO₄). Applications: Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater  

Yes/No qualitative test Sensitivity less than 2.2 per 100 mL of sample No incubation equipment required; only room temperature

DPD Tablet Octa-Slide (9859G42) Sufficient for 50 tests Employs DPD tablet method: EPA- accepted method for NPDWR Octa-Slide has color standards representing 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0 and 3.0 ppm Cl Low Range Octet Comparator (9859H10) Employs DPD tablet…

Hydrogen peroxide is a strong oxidizing agent with a variety of uses. Applications include the treating of industrial effluents and domestic waste and serving as a disinfectant in aseptic packaging. The Ferric Thiocyanate Method Reference: D. F. Boltz and J. A. Howell, eds.,…

3 ranges of PAA test strips available covering low (0-50 ppm), medium (0-160 ppm) and high (0- 1,000 ppm) range concentrations The Insta-Test® 3000 test strips determine peracetic acid concentrations from 0-160 ppm. The test has a 10 second development time. The container has a desiccant liner…

Now USEPA approved for compliance monitoring under the Safe Drinking Water Act. For determination of Nitrate Nitrogen by the Dimethylphenol Method, using TNTplus vials. Hach Method 10206. Low Range: 0.23-13.5 mg/L NO3-N (1.0-60.0 mg/L NO3). 25 tests/package Reduce Errors with Bar-coded…

The Legionella Field Test Kit is the most basic of the Legionella Detection test kits. The test is easy and fast — no reagents or interpretation of results required! With results in 25 minutes, the test allows for immediate understanding and response to the water conditions. Regular…

Method: colorimetric with test strips 3 - 10 - 25 - 50 - 100 - 250 - 500 mg/l Fe 2+ MQuant™ Storage class: 10 - 13 Other liquids and solids Storage: Store at +15°C to +25°C. The test strips offer a very simple means of determining iron in all aqueous media and on…

QUANTOFIX Nitrate semi-quantitative test strips that are especially useful for dairy industry where low levels of nitrate need to be monitored. Measuring range: 0-5-10-25-50-75-100 mg/L NO3- 0-0.5-2-5-10-25-50 mg/L NO2-

This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations. To detect cyanides in solution, a drop of concentrated sulfuric acid is…

This kit tests for nitrate nitrogen using tablet reagents and the Octa-Slide 2 Comparator. Range/sensitivity is 0, 1, 2, 4, 6, 8, 10, 15 ppm NO₃ - -N Applications: Drinking Water, Environmental Education, Food and Beverage, Industrial Water Boiling and Cooling,…

The waterproof, Bluetooth ® ColorQ ® 2x PRO 7-PLUS Kit handheld professional pool photometer directly measures the seven primary tests of Free Chlorine (DPD), Total Chlorine (DPD), Bromine (DPD), pH, Alkalinity, Calcium Hardness, and Cyanuric Acid directly on a digital display. The…

Octet Comparator For determining trace levels of free cyanide in water Octet comparator has color standards representing 0.00, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35 and 0.40 ppm Free CN - Sufficient for 50 tests