chloride analyzer Articles

  • Hydrogen Chloride Analyzer (HCl, H2O)

    LGR's Hydrogen Chloride Analyzer (HCl, H2O) provides sensitive measurements of HCl in ambient air or in industrial process flows (e.g., coal and cement exhaust streams) with extremely high precision and sensitivity. No longer do you have to spend a lot of money or wait a long time to measure HCl with extremely high sensitivity – LGR's HCl Analyzer provides measurements every second with ...

  • Innovations in Site Characterization. Case Study: Dexsil L2000 PCB/Chloride Analyzer for Drum Surfaces

     Executive Summary This case study describes a field analytical method that was used to measure PCB surficial contamination in empty drums to be cleaned by a new process. Approximately 7,000 empty 55-gallon drums that previously contained PCB-contaminated material had accumulated at the Department of Energy (DOE)’s East Tennessee Technology Park in Oak Ridge, TN. Because disposal of these ...

  • Chloride ions promoted the catalytic wet peroxide oxidation of phenol over clay-based catalysts

    Catalytic wet peroxide oxidation (CWPO) of phenol over clay-based catalysts in the presence and absence of NaCl was investigated. Changes in the H2O2, Cl−, and dissolved metal ion concentration, as well as solution pH during phenol oxidation, were also studied. Additionally, the intermediates formed during phenol oxidation were detected by liquid chromatography-mass ...


    By IWA Publishing

  • WWTP installs new affordable ortho-phosphorus analyzer to help contain escalating chemical costs - Case Study

    Wisconsin's Department of Natural Resources recommended a reduction in the state's phosphorus limit from 1 ppm to 0.05 ppm for inland lakes and streams (0.5 ppm for the Great Lakes) in efforts to improve water quality and reverse eutrophication of state's lakes and rivers. These new limits when adopted will force many WWTPs to spend more on chemicals and invest in new equipment. In anticipation ...

  • Research Institute uses GE InnovOx TOC analyzer to evaluate hydraulic fracturing and oil exploration produced water

    Background The Global Petroleum Research Institute (GPRI) at Texas A&M University-College Station regularly conducts laboratory research studies on various oil and gas produced wastewaters with varying sample matrices. The GPRI tests samples at different shale and oil producing formations using a mobile laboratory, which houses a pilot-scale treatment system for identifying the ...


    By GE Analytical Instruments

  • Measurement of TOC in High-Salt Sample

    The quantity of organic matter in seawater is important in the research and monitoring of marine pollution as an indicator of organic pollution. The salt content in seawater is typically about 3.5 %, but using the Shimadzu total organic carbon analyzer, it is possible to measure the TOC directly without dilution or other pretreatment procedures. Here, we introduce an example of measurement of ...

  • On-line optical determination of floc size of Fe(III) coagulants

    This study investigated the floc aggregation, average floc size, floc size variance and floc growth velocity when ferric chloride (FeCl3) and polyferric chloride (PFC) were used to treat the simulated water samples. The factors including coagulant dose, ionic strength and solution pH, which affect the floc aggregation, were studied. Experiments were carried out in a bench-scale reactor using ...


    By IOS Press

  • Determination of Groundwater Quality Index of a Highland Village of Kerala (India) Using Geographical Information System

    In this study, the authors’ goal was to understand the groundwater quality of Nedumkandam panchayat by an integrated approach of traditional water quality analysis and Geographical Information Systems (GIS). Fourteen wells were identified from the study area and samples were collected and analyzed using standard protocols (American Public Health Association, 1998). Parameters analyzed include pH, ...

  • Kinetics and equilibrium adsorption study of p-nitrophenol onto activated carbon derived from walnut peel

    An original activated carbon prepared from walnut peel, which was activated by zinc chloride, was modified with ammonium hydroxide or sodium hydroxide in order to contrast the adsorption property of the three different activated carbons. The experiment used a static adsorption test for p-nitrophenol. The effects of parameters such as initial concentration, contact time and pH value on amount ...


    By IWA Publishing

  • Photochemical degradation of 4-chlorophenol in the aqueous phase using peroxyacetic acid (PAA)

    The photochemical degradation of 4-chlorophenol (4-CP) using ultraviolet irradiation (UV) of 6, 12 and 18 W with peroxyacetic acid (PAA) was studied in a batch reactor. The objective of this work was to investigate degradation and mineralization of 4-CP by PAA. The degradation efficiency increased with increasing UV input. The degradation process was also pH and initial PAA concentration ...


    By IWA Publishing

  • Detection of carbendazim in tomatoes

    MATRIX: Tomatoes ANALYTE: Carbendazim, a metabolite of benomyl RANGE OF DETECTION: 25 to 500 ppb MATERIALS: Benomyl/Carbendazim RaPID AssayÒ Kit and Sample DiluentReagents: acetone (pesticide grade), sodium chloride Equipment: homogenizer or blender with acetone resistant container cup, 50 mL polypropylene ...


  • Assessment of cement’s dust impact on the soil using principal component analysis and GIS

    To evaluate the impact of the cement’s dust emitted by the eastern Moroccan cement factory (Oujda Holcim) and deposited on the soil of the Ain Lahjar commune, 58 samples of soil were collected around the factory on a radius of 3 km approximately. The physicochemical analyses of the upper 3 cm of the soil surface samples correspond to the pH, electrical conductivity, the chlorides and the oxides ...

  • Lead in Christmas Lights

    A recent California proposition led to awareness that lead is a stabilizer in the Polyvinyl Chloride (PVC) jacketing that covers conductors in Christmas lights. The objective of this study is to examine the level of accessible lead in Christmas lights. Following U.S. Environmental Protection Agency (U.S. EPA) Lead Inspectors’ procedures, researchers at Cornell University and in Nebraska conducted ...

  • Detection of 2,4-D in citrus juice

    MATRIX: Fresh squeezed fruit juice, canned 100% fruit juice or frozen juice concentrates of citrus fruits ANALYTES: 2,4-Dichlorophenoxyacetic acid (2,4-D) RANGE OF DETECTION: 10 to 500 ppb in juice or 40 ppb to 2 ppm in juice concentrates MATERIALS: 2,4-D RaPID AssayÒ Kit and Sample Diluent. Reagents: methylene ...


  • Discrete or Continuous Flow Analysis – which is better?

    A wide variety of factors affect the choice of analytical instrument. These include target workload (samples/hour), variety of chemistries, methods required, bench space, staff availability etc. In the following article Lalicia Potter, Technical Sales & Support Director at SEAL Analytical, examines one of the common decisions facing laboratory managers. As the manufacturer of an ...

  • Impact of fertilizer plant effluent on water quality

    The impact of National Fertilizer Company of Nigeria outfall effluent on the physicochemistry and bacteriology of Okrika creek was investigated during the sampling period from May to December, 1998. The National Fertilizer Company of Nigeria outfall effluent, the Okrika creek water and the Ikpukulubie creek (control) water samples were collected. The physico-chemical parameters analyzed for all ...

  • Utilization of artificial recharged effluent as makeup water for industrial cooling system: corrosion and scaling

    The secondary effluent from wastewater treatment plants was reused for industrial cooling water after pre-treatment with a laboratory-scale soil aquifer treatment (SAT) system. Up to a 95.3% removal efficiency for suspended solids (SS), 51.4% for chemical oxygen demand (COD), 32.1% for Cl− and 30.0% SO42− were observed for the recharged secondary effluent after the SAT ...


    By IWA Publishing

  • Detection of thiabendazole in grapefruit juice

    MATRIX: Grapefruit Juice ANALYTE: Thiabendazole (TBZ) RANGE OF DETECTION: 10 to 250 ppb MATERIALS: Benomyl/ Carbendazim RaPID AssayÒ Kit and Sample Diluent. TBZ Standards (0, 10, 50 and 250 ppb TBZ) prepared in Sample Diluent. Reagents: ethanol and ethyl acetate (pesticide grade), 2M ammonium chloride (53.5 g/L ...


  • Detection of carbendazim in celery

    MATRIX: Celery ANALYTE: Carbendazim, a metabolite of benomyl RANGE OF DETECTION: 25 to 500 ppb MATERIALS: Benomyl/Carbendazim RaPID AssayÒ kit and Sample Diluent Reagents: acetone (pesticide grade), sodium chloride. Equipment: blender with acetone resistant container cup, 50 mL polypropylene conical tubes, 15 ...


  • Detection of procymidone in grapes

    MATRIX: Grapes ANALYTE: Procymidone RANGE OF DETECTION: 0.4 to 20 ppm MATERIALS: Procymidone RaPID Assay Kit and Sample Diluent Reagents: acetone (pesticide grade), sodium chloride. Equipment: blender with acetone resistant container cup, 50 mL conical tubes, 15 mL polypropylene centrifuge tubes with screw caps, ...


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