Colorimetric Analyzer Monitors Hazardous Chromium VI in Drinking Water
Ideal for Muni Water Treatment Processes
AA038726
Anaheim, CA—August 29, 2016—Municipal water treatment engineers who must monitor chromium VI in drinking water will find the CA6 Colorimetric Analyzer from Electro-Chemical Devices provides precise and dependable measurement to ensure compliance with local, state and federal drinking water standards.
According to the U.S. Environmental Protection Agency (EPA), chromium is an odorless and tasteless metallic element that is found naturally in rocks, plants, soil and volcanic dust, and animals. The most common forms of chromium that occur in natural waters in the environment are trivalent chromium (chromium III) and hexavalent chromium (chromium VI.)
Chromium III is an essential human dietary element. It is found in many vegetables, fruits, meats, grains, and yeast. Chromium VI occurs naturally in the environment from the erosion of natural chromium deposits, but it also can be produced by industrial processes. There are demonstrated instances of chromium being released to the environment by leakage, poor storage, or inadequate industrial waste disposal practices.
To ensure the greatest potential chromium risk is addressed, the U.S. EPA’s assumes that a measurement of total chromium is 100 percent chromium VI, the more toxic form. If tap water from a public water system exceeds this federal standard, consumers will be notified.
The Model CA6 Colorimetric Analyzer from ECD is an on-line sequential sampling analyzer that is designed to monitor Chromium VI in drinking water. It can be configured to measure Chromium VI in three separate ranges: 0 to 1.0 mg/L, 0 to 10.0 mg/L or 0 to 50.0 mg/L
The CA6 Colorimetric Analyzer’s sequence of sampling, analysis and results processing is performed and repeated using colorimetric methods for high accuracy and reliability. This technology relies on an LED light source and a heated colorimetric cell designed for measuring trace amounts of manganese, iron and other analytes in water.
The CA6 precision online sequential sampling analyzer is lightweight and easy to install. Weighing less than 40 pounds, it can be wall mounted or simply set on a bench using the optional bench top stand. After the sample, waste and reagent lines have been connected to the analyzer and provided with power, the CA6 will begin its preprogrammed analysis sequence. The CA6 is available with up to 4 channels (optional) each from a separate sample point. A simple, user-friendly menu structure and touchscreen interface makes it easy to access information or customize analyses.
AA038726
The CA6 utilizes photometric differential absorbance to analyze chromium VI and over 20 other common parameters including: aluminum, iron, manganese, silica, nitrogen, iron and sulfate. It operates at a wide temperature range of 5-50°C and offers repeatability of ±2% on the absorbance value if the turbidity <80 NTU and drift of ±2% per month on the absorbance measurement.
The CA6 Analyzer’s easy-to-use touch-screen display shows the measured parameter, analyzer status, percent reagent volumes and the menu bar, which provides access to the run, display, program, service and help menus. It includes two alarm relay outputs and a 4-20 mA channel that connects with programmable logic controllers (PLC’s) or distributed control systems (DCS’s).
The rugged and reliable CA6 features two separate compartments to isolate liquids and electronics and is enclosed in an epoxy powder coated, cold rolled steel cabinet. The liquids enclosure houses all the components necessary for sampling and reagent flow, mixing and reaction stages (sampling pump, reagent micro-pumps and colorimetric reaction cell).
About Electro-Chemical Devices
Electro-Chemical Devices (ECD) is a manufacturer of liquid analytical process instrumentation. Founded in 1977, ECD has been in business for over 30 years and has built its industry leading reputation by its commitment to customers through this basic approach: Provide quality products, develop technical innovations and provide responsive, knowledgeable service.
Company Contact: Bob Wek
Company Address: 1500 N. Kellogg Dr., Anaheim, CA 92807 USA
Web: https://www.ecdi.com Email: [email protected]
Tel: 800-729-1333 Tel: 714-695-0051 Fax: 714-695-0057
Editor’s Contact: Randy Brown: 909-335-1941 Email: [email protected] Web: www.rbmarketing.com
Anaheim, CA—January 24, 2017—Municipal water engineers and technicians who want a more economical and simpler way to ensure the disinfection of water with chlorine systems will find the 
