|
SPONSOR
|
![]() |
|
In-Situ® Inc. announces the NEW Aqua TROLL® 400 Multiparameter Instrument. Ideal for long-term groundwater and surface-water monitoring, downhole remediation, stormwater monitoring, and wastewater effluent applications. Highlights include:
• Configured for your convenience — quick start-up time
• RDO® technology reduces maintenance costs
• Six rugged water quality sensors
• Flexible communication and power options
By partnering with In-Situ, you receive accurate, reliable sensors, 24/7 tech support, and application guidance. Visit www.in-situ.com or call 1(800)446-7488 for more information. Learn more.
|
|
|
|
|
|
Featured Articles
|
|
A 'How To' Guide For pH Sensors
By Fred Kohlmann, Analytical Product Business Manager, Endress+Hauser, Inc.
Once a pH sensor is installed in the process and operating, how do you determine when it is time to take the sensor out of the process and do a cleaning, or a calibration? Does one perform both a cleaning and a calibration, or just a cleaning...or just a calibration? This is something that can be quite confusing.
|
|
|
WWTP Uses Process Monitoring And Control Technology For Increased Productivity And Efficiency
By YSI
The Littleton/Englewood, CO, wastewater treatment plant put in place processes to effectively monitor the levels of ammonia in their wastewater treatment. As well as ammonia levels, the plant is now able to effectively conduct pre-chlorination monitoring, monitoring of dissolved air flotation thickeners, and the measurement of dissolved oxygen concentration.
|
|
|
Analysis Of Environmental Samples With The Agilent 730-ES Following U.S. EPA Guidelines
By Agilent Technologies
The U.S. Environmental Protection Agency (EPA) Contract Laboratory Program (CLP) defines the analytical methods accepted for the isolation, detection, and quantitative measurement of 23 target analytes, including mercury and cyanide, in both water and soil/sediment environmental samples. This application note describes the use of the Agilent 730-ES to carry out the EPA/CLP compliant analysis of water samples.
|
|
|
U.S. EPA Method 524.3 For Analysis Of Volatile Organic Compounds In Finished Drinking Water: Optimized Instrument Parameters And Method Validation
By OI Analytical
The U.S. EPA's Method 524.3, "Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry, Revision 1.0," used for determination of volatile organic compounds (VOCs) in finished drinking water, includes several significant changes and improvements over its predecessor. This application note presents optimized instrument operating parameters, including a 6-minute purge time, and a complete set of method validation data.
|
|
|
|
|
|
|
|
|
Coming Soon In The Water Online Newsletter
|
|
Look for Water Online's upcoming special coverage of the following topics:
-
Spotlight On Drinking Water Treatment (April 24)
-
Industrial Wastewater (April 26)
-
Wastewater Product Showcase (May 7)
-
Spotlight On Tanks, Linings, And Coatings (May 8)
-
SCADA (May 15)
For more information, see our 2012 Editorial Calendar. |
|
|
|
|
|
Follow Us!
|
|
![Follow us on Twitter!]()
|
|
Get breaking news, site updates, announcements, and much more by following Water Online on Twitter. |
|
|
|
