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…

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…

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…

UN Number: UN3316

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…

Protects water baths and other water systems against the growth of algae, bacteria, molds and biofilms. Just 2ml per liter of water adds a blue tint which will fade after about 3 months reminding you to change the water and add new conditioner. Protects pumps and thermostats and helps…

Octet Comparator Method For determining aluminum in water Sufficient for 50 tests Octet Comparator has color standards representing 0, 0.1, 0.15, 0.2, 0.25, 0.3, 0.4 and 0.5 ppm. A pink to red color will form when aluminum reacts with Eriochrome Cyanine R, at pH 6.

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) …

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…

A method for measuring the color of potable water in terms of an easily reproducible color standard is essential to water engineers responsible for the distribution of supplies for public consumption. Color determinations are useful for detecting any irregular contamination of the supply due…

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…

All necessary reagents for the analysis are contained in the cells Considerate packaging design protects the cells from fluctuation even in unfavorable environment Elimination of possible mistakes through barcode-system

Modern Water is expert in the design, development and provision of analytical instruments and technologies for monitoring toxicity in water, soil, food and industry. Our systems use bioluminescent bacteria to perform biosensor testing that detects the presence of toxic substances. The new…

Octet Comparator For determining silica in natural and industrial waters Employs modified APHA Method 425D Octet Comparator has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0 and 10.0 ppm silica Sufficient for 50 tests

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),…

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…

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…

Drop Count Method For determining sulfite in water Employs modified APHA Method 428 One drop equals 5 ppm SO₃ Sufficient for 50 tests at 100 ppm

Direct Reading Titrator Method (9859A70 and A71) For determining total (T) alkalinity in water Range of 0 to 200 ppm as CaCO₃ in 4 ppm increments Employs APHA Method 403. Sufficient for 50 tests at 200 ppm. Direct Reading Titrator (9859B10) For determining phenolphthalein (P)…

For determining trace levels of copper in water Octet Comparator has color standards representing 0, 0.05, 0.10, 0.15, 0.20, 0.30, 0.40 and 0.50 ppm Cu Sufficient for 50 tests

For Environmental Studies For determining life-supporting chemistry of fresh-water environments, including ponds, lakes, streams, rivers and marshes Tests for: carbon dioxide, D.O., hardness, nitrate, trace phosphates, wide-range pH and silica Includes water sampling bottles, report forms and…

UN Number: UN3316

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  

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),…

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…

Applications: Laundry and Sanitation This kit tests for caustic levels by adding drops of Barium Chloride solution to a sample where white precipitate will form if carbonates are present. Levels are then determined using the Phenolphthalein Indicator. Range and sensitivity is 1 drop = 0.1 or…

All necessary reagents for the analysis are contained in the cells Considerate packaging design protects the cells from fluctuation even in unfavorable environment Elimination of possible mistakes through barcode-system

Portable toxicity and bio-contaminant detection Microtox® FX is a simple, rapid, extremely responsive, portable water quality test system. Designed for acute toxicity screening and adenosine triphosphate (ATP) testing, Microtox® FX uses bioluminescence technology to screen for…

3119 Octet Comparator Method Color standards for 0.2, 0.4, 0.6 and 1.0 ppm NO₃—N Color standards for 0.2, 0.4, 0.6 and 1.0 ppm PO₄ Sufficient for 40-50 tests