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Developed with advanced ion selective electrode (ISE) sensor technology and a highly intelligent transmitter, the family of Hydra-DS Analysers from Electro-Chemical Devices (ECD) simplifies the accurate measurement of harmful nitrogen (nutrients) and ammonium to maintain water quality in a wide range of environments. The Hydra-DS Nitrate Analysers are designed to monitor the nitrification ...
Metrohm presents a method for the straightforward ion chromatographic determination of HF, HNO3, short-chain organic acids and H2SiF6 in acidic texturing baths used in the manufacturing process of solar cells. Standard ions such as fluoride, nitrate, acetate and sulfate are determined via suppressed conductivity detection while dissolved silicate is spectrophotometrically detected in the same run ...
By Metrohm AG
Pacific Rim Design and Development is proud to introduce a technology breakthrough in the treatment and safe elimination of problematic nitric oxide (NO) and nitrogen dioxide (NO2 ). There are six forms of nitrogen oxide (NOx); the drawings to the right show the two most problematic forms. These two are of particular interest because they are identified as atmospheric pollutants (greenhouse ...
By Know-NOx
Silver nanoparticles are toxic to common bacteria at concentrations found in many aquatic environments across the globe, new research has found. Bacteria often form a key part of ecosystems and these impacts may be felt by the entire system, the researchers warn. Silver nanoparticles are between one and a hundred nanometres (nm) in size and are now used for their antimicrobial action in a wide ...
Both prizes awarded at this year’s prestigious IChemE (Institution of Chemical Engineers) Water Awards (sponsored by the IChemE Water Subject Group) have recognised PuriTech’s revolutionary development and improvement of the ion exchange process. PuriTech, a leading international separations technology company, won an award specifically fortheir innovative IONEX technology, which has a variety of ...
By PuriTech Ltd
Lumex Instruments introduces a capillary electrophoresis method for determination of inorganic anions; fluoride, bromide, chloride, nitrite, nitrate, ortho-phosphate, and sulfate in drinking water, wastewater and ground water according to EPA 6500 and ASTM D6508-10 test methods. This test method is applicable for determination of the dissolved inorganic anions; fluoride, bromide, chloride, ...
The OTT Hydromet stand (No. 19) at WWEM 2018 will be focused on the latest technologies for monitoring hydrology, meteorology and water quality. With an emphasis on continuous monitoring, OTT will unveil: a new optical nitrate sensor, the ECO-N; new ion-selective electrodes for the Hydrolab multiparameter sondes; and the HydroCycle-PO4 continuous phosphate monitor. Groundwater, rivers and ...
By OTT HydroMet
Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey (USGS) are studying this microscopic layer and finding that the mineral composition of these coatings on sediment grains in the unsaturated zone (i.e., between land surface ...
Ambient air quality is critical for our health and the environment. According to the World Health Organization 91% of the world population lives in places where the WHO air quality guideline levels are not met. To monitor the air quality, Metrohm Process Analytics has re-invented the well-known Monitor for AeRosols and Gases in ambient Air (MARGA) as the 2060 MARGA. When considering the effects ...
By Metrohm AG
Ambient air quality is critical for our health and the environment. According to the World Health Organization 91% of the world population lives in places where the WHO air quality guideline levels are not met. To monitor the air quality, Metrohm Process Analytics has re-invented the well-known Monitor for AeRosols and Gases in ambient Air (MARGA) as the 2060 MARGA. When considering the effects ...
By Metrohm AG
Recent research has found that silver nanoparticles in sewage sludge, which is used on agricultural land as a fertiliser, can be toxic to soil microorganisms. The researchers calculated that a maximum of 30mg of silver nanoparticles per kilogram of sludge can be applied to land before harm occurs, based on typical application rates in Germany of five tons per hectare of farmland every three ...
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