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…

Wide Range Octet Comparator Method Employ Octet Comparator having eight color standards in increments of 5.0 or 1.0 pH unit, as indicated in listings below Kits are offered covering ranges from pH 3.0-10.0 to pH 8.5-12.0 For each pH range, two kits are offered: one without and one…

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…

Because of its strong oxidizing properties, chlorine is an excellent biocide used to treat potable waters, municipal wastes, and swimming pools. When used to treat potable water, chlorine helps alleviate the adverse effects of iron, manganese, ammonia, and sulfide. The Maximum Residual Disinfectant…

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…

Iron is present in nature in the form of its oxides, or in combination with silicon or sulfur. The soluble iron content of surface waters rarely exceeds 1 mg/L, while ground waters often contain higher concentrations. The National Secondary Drinking Water Standard for iron is 0.3 mg/L, as iron…

pH: 6.3 (10 g/l, H2O, 20°C)

Kit comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Low and High Range Comparators, dilutor snapper cup, micro test tube, and instructions. Range: 0-30 & 30-300 ppm MDL: 5 ppm Method: Direct Nesslerization …

Applications: Industrial Water Boiling and Cooling, Water and Wastewater This kit tests for Total Hardness using the Dropper Bottle Method. All results are as CaCO₃. Range/sensitivity is 1 drop = 2, 5, or 10 ppm CaCO₃.

Because of its strong oxidizing properties, chlorine is an excellent biocide used to treat potable waters, municipal wastes, and swimming pools. When used to treat potable water, chlorine helps alleviate the adverse effects of iron, manganese, ammonia, and sulfide. The Maximum Residual Disinfectant…

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

Iron is present in nature in the form of its oxides, or in combination with silicon or sulfur. The soluble iron content of surface waters rarely exceeds 1 mg/L, while ground waters often contain higher concentrations. The National Secondary Drinking Water Standard for iron is 0.3 mg/L, as iron…

This Chlorine test kit measures for Chlorine using the direct reading titrator method. Range/sensitivity is 0-10 ppm/0.2 ppm Cl. Applications: Drinking Water, Food and Beverage, Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater # Tests (# Rgts): 50 at 10…

Sulfides are naturally present in ground waters as a result of leaching from sulfur-containing mineral deposits. Surface waters do not usually contain high sulfide concentrations. Sulfides result from the decomposition of organic matter, from bacterial sulfate reduction under anaerobic conditions…

The DG Water Tests are accurate and sensitive water test kits for the detection and quantification of toxic chemicals in water. The kits are easy-to-use and cost effective. The DG Water Test Kits include: Sample Vials Developing Solution Color comparator Disposable Pipettes …

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…

Octa-Slide Comparator Tests total iron after any ferric iron is reduced to ferrous in the sample Sufficient for 90 tests Ferrous and ferric iron may be tested separately by eliminating the reduction step. Octa-Slide has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0…

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. For the food and beverage industry, CHEMetrics Hydrogen Peroxide CHEMets® and…

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.,…

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;…

Hardness is a measure of the mineral content of water. Calcium and magnesium are the most common minerals that contribute to hardness. Hard water causes scaling in boilers and other industrial equipment, and diminishes the effectiveness of soaps and detergents. The EDTA Method (Total) …

Phosphorus occurs naturally in rock formations in the earth's crust, usually as phosphate. High phosphate concentrations in surface waters may indicate fertilizer runoff, domestic waste discharge, or the presence of industrial effluents or detergents. Although phosphates from these sources are…

Sulfides are naturally present in ground waters as a result of leaching from sulfur-containing mineral deposits. Surface waters do not usually contain high sulfide concentrations. Sulfides result from the decomposition of organic matter, from bacterial sulfate reduction under anaerobic conditions…

Low-level ammonia nitrogen may be naturally present in water as a result of the biological decay of plant and animal matter. Higher concentrations in surface waters can indicate contamination from waste treatment facilities, raw sewage, industrial effluents (particularly from petroleum refineries),…

All the benefits of DPD tablets in a liquid Can be used with existing LaMotte chlorine comparators or colorimeters Lower cost per test than tablets Quicker results and clearer colors than tablets DPD 1A and 1B reagents are added to a 5 or 10 mL sample to test free chlorine.…

Direct Reading Titrator For determining levels of sodium in natural and treated waters Range 0 to 500 ppm sodium in 10 ppm increments Test requires three titrations: one to determine bicarbonate and carbonate ions; one to determine sulfate and chloride ions; and one to determine calcium and…

Chloride is found in nearly all natural waters and affects human taste above 250 mg/L. High levels inhibit plant growth, and many industrial processes need to limit chloride concentration. Contains 40 tests. Easy to use, disposable, and inexpensive A great way to obtain quick,…

Low-level ammonia nitrogen may be naturally present in water as a result of the biological decay of plant and animal matter. Higher concentrations in surface waters can indicate contamination from waste treatment facilities, raw sewage, industrial effluents (particularly from petroleum refineries),…

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…

Proper maintenance and economy of operation of modern boilers and cooling towers require a careful balance between water quality parameters and treatment chemicals. This kit provides testing capability for alkalinity, chloride, hardness, sulfite, phosphate, pH, iron, silica, and total chlorine. …

Ozone is a strong oxidizing agent and is used as an alternative to chlorine as a biocide in the disinfection of drinking water. Ozone is used to remove odor, decolorize, and to control algae and other aquatic growths. Ozone is also used in various disinfectant and sterilization processes in…