Water/Wastewater
New Compact Discrete Nutrient Analyser Saves Lab Time, Space & Money
Laboratory instrumentation manufacturer SEAL Analytical (UK) has launched the 'AQ1' discrete analyser which automatically tests multiple samples in discrete reaction vessels and is ideal for laboratories with moderate workloads requiring varied tests on different samples and for those that need fast individual results.
The AQ1 is supplied with standard methods to USEPA, ASTM, ISO and other internationally recognised standards for the analysis of a wide variety of parameters including alkalinity, ammonia, chloride, cyanides, nitrate/nitrite, nitrite, phenolics, ortho phosphate, total phosphorus, silicate, sulfate and total Kjeldahl nitrogen.
With unattended operation including the ability to run overnight, the AQ1 has all the advantages of discrete analysis – automatic standard preparation, automatic dilution, automatic method changeover, and low reagent consumption.
Interchangeable 60 or 78 position sample trays improve flexibility and with easy-to-use software, users are able to schedule tests (up to 60 per hour) and specify QC types, limits and corrective actions upon a QC failure. It is also possible to add further samples after a test run has begun. Highly accurate colorimetric analysis is achieved with 100% optical glass no-flow cuvettes and the maximum consumption of combined reagents and sample is 500 – 600 µL per test.
The reaction times are user programmable from seconds to minutes and all methods have been optimised to ensure that the chemical reaction is brought to full completion and steady state, which maximises sensitivity and emulates both the Manual and the Segmented Flow Methods. Once the absorbance is read, the cuvette is thoroughly cleaned, eliminating any carry over or cross contamination.
The AQ1 was designed specifically for the automated analysis of nutrients in water, wastewater, soils, extracts and digests. However, SEAL's Stuart Smith says "The instrument is extremely flexible and reflects our intention to deliver analytical technology that meets every customer's individual needs."
Reader Reply Card No.
Breakthrough in Multi Parameter Portable Water Monitoring
The new AP-2000 from Aquaread (UK) is a breakthrough in portable water monitoring. The system offers the common water monitoring (pH, ORP, EC, Optical DO & Temperature) parameters as standard, and then allows the user to customise the probe with three additional options. Firstly there is an option to add a depth sensor to the probe, secondly there is an option to add an ISE
sensor (Ammonium, Nitrate, Chloride, Fluoride & Calcium) finally there is an option to add an advanced optical sensor (Turbidity, Chlorophyll, Blue-Green Algae, Refined oils and more).
Each extra option is in addition to the standard parameters. Meaning, for example, that you do not have to remove pH / ORP and replace it with an ISE sensor, to measure an ISE parameter; there is a dedicated port especially for an ISE sensor and a dedicated port especially for an advanced optical sensor.
This puts the AP-2000 way ahead of all competition in the ‘under 2” diameter’ category of water monitoring probes, packing as many as 8 physical sensors and measuring up to 11 parameters. When you use the AP-2000 with the new GPS Aquameter you have a winning combination. The integral GPS receiver within the meter will record the precise location of every data set you record, making this the ideal system for monitoring multiple surface water / ground water sites.
Reader Reply Card No. New Analyser for Fast and Reliable Orthophosphate Measurement
WTW (USA), a Xylem brand, has introduced the new P 700 IQ analyser for fast and reliable orthophosphate measurement at IFAT ENTSORGA 2012. The analyser is used with the WTW IQ SensorNet System and provides continuous monitoring of orthophosphate in wastewater applications.
The new P 700 IQ analyser uses the vanadate/molybdate (yellow method) measuring principle to perform rapid measurements of orthophosphate. The system has been designed for easy, efficient, continuous monitoring and control and minimises operational costs due to low reagent consumption. In addition, the analyser’s broad measuring range makes it suitable for a wide variety of applications. Customisation of the analyser’s automatic calibration function can be adjusted by the user in accordance with the requirements of their specific application. The P 700 IQ analyser can also be deployed in even the harshest environments to monitor effectively under temperature conditions below freezing.
The WTW P 700 IQ analyser connects directly to the WTW IQ SensorNet 2020 XT system and takes full advantage of all the unique features and benefits of the sensor network including flexibility, modularity and reliability, as well as the option to easily extend the system to measure additional parameters.
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New Fluorimeter Designed for Heavy Metals Testing
The new HF scientific HF-38 Fluorimeter is an extremely sensitive, hand-held, ruggedised instrument designed for field testing of toxic heavy metal contaminates in water supplies. Requiring no special skill or knowledge of chemistry to operate, the HF-38 is a breakthrough in efficiency, testing accuracy and ease of use and is designed for use with HF heavy metal sensors. Through the use of DNA sensors, a reaction that fluoresces in the presence of a target contaminate substance, such as lead, copper or uranium is measured to determine the concentration of the target heavy metal and is reported in parts per billion (ppb). It will also test for the presence of Mercury.
Reader Reply Card No. 152 151 150 149 ANALYTICAL INSTRUMENTS
Quality Assured Analytical Instruments for Potable Water Applications
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Measurement of:
Dissolved Oxygen Ammonium Chlorine Turbidity pH / Redox Phosphate Conductivity
www.swan.ch
SWAN ANALYTISCHE INSTRUMENTE AG · CH-8340 HINWIL
www.swan.ch ·
swan@swan.ch · Phone +41 44 943 63 00
Reader Reply Card No. 153
www.envirotech-online.com IET May / June 2012
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