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Water Sampling Applications

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    Analysis of Herbicides in Drinking Water

    Herbicides are used throughout the world to combat the growth of unwanted plant life. These polar compounds are hydrophilic, so they may find their way into drinking water sources. While gas chromatography has historically been the preferred technique for analysis of herbicides in water samples, the use of LC-MS/MS for this application is gaining acceptance. This is due to the power of MS/MS to provide detailed identification of multiple analytes, but also in part due to the variety of HPLC stationary phases that are available. In particular, several HPLC phases are available that provide great retention and peak shapes for polar analytes, such as herbicides, even under mostly aqueous mobile phase conditions. The combination of these factors may possibly eliminate need for time-consuming sample preparation.

    By Merck KGaA, Darmstadt, Germany based in Darmstadt, GERMANY.

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    Industrial Weighing - Counting

    When verifying inventory, packing parts in containers, or confirming production quantities, every part is important. METTLER TOLEDO is the leader in precision parts counting technology ensuring that only the right number of parts are delivered to you or your customer. Our super-precise solutions such as BBK4xx counting scales or the IND690count terminal offer unprecedented counting accuracy.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Fountain Solutions

    Accurate fountain (dampening) solution concentration control is essential for consistent, high-quality results in lithography. Low concentration can cause drying on the non-image area of the plate resulting in tinting, scumming, blanket piling, etc. High concentrations, on the other hand, bring about over-emulsification of the ink. This results in weakening of color strength and changes in ink rheology (body and flow properties). Correct concentration will allow the non-image areas of the plate to be appropriately wetted.

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

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    Panel mounted OEM pumps

    A large selection of panel mounted pumps and pump heads for use in Original Equipment Manufacture (OEM). These pumps are custom engineered to integrate within your own equipment whenever accurate and repeatable dosing or liquid transfer is a must. Pumps can be supplied with a range of power options including both A.C or D.C. motors.

    By Verderflex Peristaltic Pumps - part of the Verder Group based in Castleford, UNITED KINGDOM.

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    Determination of boron in water by fluorimetric method

    Introduction

    The method is designed to measure mass concentration of boron in samples of natural, drinking, and waste
    water by fluorimetric method using the FLUORAT®-02 analyzer.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of acetic acid (acetate anions) in natural, drinking, and waste water

    Introduction

    The method is used for the determination of acetic acid (as acetate ions) in the samples of natural water, drinking water, and waste water by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Water analysis for municipal wastewater treatment

    Voltammetric determination of many heavy metals is also possible in municipal or industrial wastewater. On account of the usually high organic load the sample is usually mineralized by means of UV digestion. 

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Waste water treatment plants Personnel Safety & H2S filter management

    Context & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. As a result of the confinement of the waste water stations, toxic components such as H2S and Methylmercaptan increased. Safety of employees on such working sites has therefore become of major problem. To fight this hazardous pollution, air filtering systems have been installed. For the station managers, personal safety coupled with the need for constant air quality control and filter change has been a heavy task.

    By Chromatotec Group based in Val de Virvée, FRANCE.

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    Determination of bromide and iodide anions in water samples

    The method allows determination of bromide and iodide ions in natural, potable (incl. bottled), and mineral water using capillary electrophoresis (CE) method.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of phenoxycarboxylic acid herbicides in water using high performance capillary electrophoresys method using Capel systems

    The method allows determination of herbicides classified as phenoxycarboxylic acids, specifically: 2,4-dichloro-- phenoxybutyric acid (2,4-DB), 2,4-dichlorophenoxypropionic acid (2,4-DP, Dichlorprop), 2,4-dichloropheno-- xyacetic acid (2,4-D), and phenoxyacetic acid in samples of natural, potable and treated waste water by capillary electrophoresis. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Validation of Salt Water Disposal Well Treatment Plants with Handheld Oil in Water Sample Analyzer

    Ideally, a continuous online monitor would be used for collecting data to determine upset frequencies, duration and normal conditions. Many of the SWD facilities and demonstration plants do not have a budget that allows for continuous monitoring. However, high frequency sample analysis can be performed on site, using a portable analyzer. Easy to use, low cost field analyzers, such as the TD-500D, are essential for optimizing the effectiveness of treatment systems during pilot studies and meeting a budget that includes frequent measurements.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    Sampling for the water and wastewater industry

    Sampling requirements in the water and waste water treatment industry demand safe and reliable pump control. Many sampling applications require a suction lift. There is no better suction lift than that achieven using a peristaltic oump which lift up to 30 feet. Watson-Marlow pumps are perfect for automatic or manual sampling at the different stages of the treatment process.

    By Watson-Marlow Fluid Technology Group based in Falmouth, UNITED KINGDOM.

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    Measuring weight content of the elements (As, Cd, Co, Cr, Cu, Hg, Mn, Ni, Pb, Sb, V, Zn) in soil, ground, and bottom sediment samples

    Introduction

    This analytical procedure is intended for measuring th e weight content of the el ements (vanadium, cadmium, cobalt, manganese, copper, arsenic, nickel, lead, ant imony, chromium, zinc, and mercury) in soil, ground, and bottom sediment samples by atomic absorption sp ectrometry using an “MGA-915M” Graphite Furnace AA Spectrometer.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of inorganic anions in water samples

    Introduction

    The method allows determination of inorganic anions (chloride, nitrite, sulfate, nitrate, fluoride, and phosphate as soluble ortho-phosphate) in samples of natural, potable, and cleaned waste water.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of inorganic cations in water samples

    Introduction

    The method allows determination of ammonium, lithium, sodium, potassium, magnesium, calcium, strontium and barium cations in samples of natural, potable, and waste water by the capillary electrophoresis method.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Radiation monitoring instruments for the homeland security & military industry

    Technical Associates provides some of the best radiation detection and measurement equipment for Homeland Security. The TBM-3SR, or the Digital Version TBM-3SR-D, is cited by experts for use on every Fire Truck in the United States. The DSI-2 measures background radiation detecting any elevation in radiation. The DSI-2NT Series detects both fast and slow neutrons and model DSI-2GN detects and measures Gammas and Neutrons (Fissile Material).

    By Technical Associates based in Canoga Park, CALIFORNIA (USA).

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    EDXRF spectrometers for environmental applications

    Air pollution, soils, grounds and wastewater

    Xenemetrix Energy Dispersive X-ray Fluorescence (ED-XRF) spectrometers bring expanded capabilities to environmental monitoring through the combination of proven detection methods with innovative technologies, including regulatory monitoring for compliance and research.

    By Xenemetrix Ltd. based in Migdal Haemek, ISRAEL.

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    Water Treatment Solutions for Turbidity Removal

    Turbidity is a measure of the loss of light transmittance through a liquid due to suspended particles. The more particles in the water, the murkier it looks or the higher the turbidity. This is a measure of the quality of the water. It is measured in units called Nephelometric Turbidity Units (NTU). Turbidity can be caused by run off after a heavy rain as erosion washes soil into a river or lake. It is often increased in the spring and fall when the water temperature at different levels in a lake change causing a turnover of those levels, bringing sediment, plants, and algae to the top.

    By Adedge Water Technologies, LLC based in Buford, GEORGIA (US) (USA).

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