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  • Description: WATER QUALITY - DETERMINATION OF 15 POLYNUCLEAR AROMATIC HYDROCARBONS (PAH) IN WATER BY HPLC WITH FLUORESCENCE DETECTION

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  • Description: This article presents highlights of a study conducted to determine the applicability of high-pressure liquid chromatography (HPLC) with ultraviolet (UV) detection as a rapid screening technique for the isolation,identification, and quantification of anatoxin-a, a neurotoxin produced by certain

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  • Description: ;Flow Meters •Hardness Testers •HPLC •Incubators •Mass Spectrophotomers •Patical Analyzers •Rheometers •Water Baths •And more! Browse their selection of used lab equipment to find the right equipment for your laboratory. Contact Federal Equipment Company today

    • Configuration: Bath Only, Controlled Bath

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  • Description: ;Centrifuges •Fiability Testers •Flow Meters •Hardness Testers •HPLC •Incubators •Mass Spectrophotomers •Patical Analyzers •Rheometers •Water Baths •And more! Browse their selection of used lab equipment to find the right equipment for your laboratory. Contact

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  • Supplier: Restek

    Description: particle size: 3μm or 5μm, spherical pore size: 110Å carbon load: 2% endcap: no pH range: 2.5 to 8 temperature limit: 80°C HPLC analysis using an amino-based stationary phase is the most popular technique for routine analyses of simple sugars, using isocratic elution (e.g.

    • Column Type: Analytical Column
    • Stationary Phase/Separation Process: Normally Bonded Phase
    • Construction Material: Steel - Stainless
    • Packing Material Diameter: 3 µm

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  • Description: With years of expertise in these testing parameters, we do more than furnish our clients with raw results. We act as your partner throughout the process. We suggest the appropriate battery of tests, and assist in building the test methodology. Our reports contain a detailed description of the work

    • Services Offered: Assays / Quantitative, Cleanliness Monitoring / Testing, Deformulation / Reverse Engineering, Environmental Exposure Testing, Materials Testing Services, Quality / Purity (Contamination), Report Preparation, Standards Testing / Certification, Umpire Testing, Other
    • Test / Certify To: ASTM, NIST, OEM Specific, Other
    • Materials: Adhesives / Sealants, Chemicals, Coatings, Composites, Cosmetics (Creams, Sunblocks, etc.), Inorganics, Nanomaterials, Paper, Petroleum Fluids (Oil, Fuel, Distillates), Plastic / Rubber, Polymers / Organics, Powders, Textiles, Thin Films / Plating, Wafers / Surfaces, Water
    • Test Methods: Chemical Extraction, Chromatography (GC, HPLC, etc.), Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Microscopy / Metallography, Property Testing, Rheology, Scanning Electron Microscopy, Thermal

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  • Description: environmental contamination. Most analytical methods are based on high resolution techniques with complicated sample preparation. For this study, a simple application of an analytical method was developed using HPLC/UV. The developed method was studied to determine TBT, dibutyltin, and monobutyltin

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  • Description: Cambridge Polymer Group, Inc. was founded in 1996 to provide a cost-effective resource for testing, research and development to clients who need periodic access to Ph.D.-level scientists and their support structure. With years of expertise in these testing parameters, we do more than furnish our

    • Laboratory Services Offered: Assays / Quantitative, Chemical Testing Services, Cleanliness Monitoring / Testing, Deformulation / Reverse Engineering, Failure Analysis, Materials Testing Services, Report Preparation, Standards Testing / Certification, Other
    • Test / Certify To: ASTM, NIST, OEM Specific, Other
    • Materials: / Surfaces, Water
    • Testing / Analytical Methods: Auger Spectroscopy (AES), Chemical Extraction, Chromatography (GC, HPLC, etc.), Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Mechanical Testing, Microscopy / Metallography, Nondestructive Testing

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  • Description: in corn moisture, water temperature, and backset recycle. A third enhanced PID is used to provide a gradual trim of the fermentable solids when a HPLC fermentation analysis indicates the ethanol batch cycle time has reached the end point. The control strategy automatically adjusts corn feed rate

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  • Description: , 3) failure to recover toxicity following high performance liquid chromatography (HPLC) separation, and 4) inability to adequately simplify effluent fractions containing the nonpolar organic toxicants. Procedures were employed to: 1) simplify the toxic nonpolar organic effluent fraction, 2) achieve

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  • Description: Analytical Instrument Accessories - Low metallic impurities (<5 ppm total metallic ash) make Pyrolytic Graphite ideal material for manufacturing atomic absorption spectrograph planchettes, crucibles for plasma vaporization, and sputter-coating scanning electron microscope samples requiring a

    • Laboratory Services Offered: Assays / Quantitative, Chemical Testing Services, Field Sampling, Geotechnical Services, Materials Testing Services, Monitoring Programs (Audits / Surveillance), Purity / Quality (Air, Water, Material), Report Preparation, Standards Testing / Certification
    • Test / Certify To: ASME, ASTM, OEM Specific, RoHS, Other
    • Materials: Adhesives / Sealants, Ceramics / Glass, Chemicals, Coatings, Composites, Cosmetics (Creams, Sunblocks, etc.), Heavy Metals (Lead, Chromium, etc.), Inorganics, Metals, Nanomaterials, Petroleum Fluids (Oil, Fuel, Distillates), Plastic / Rubber, Polymers / Organics, Powders, Thin Films / Plating,
    • Testing / Analytical Methods: Ash Testing / Filler Content, Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Isotopic Analysis, Mass Spectroscopy (RGA, etc.), Microscopy

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  • Supplier: Metrohm

    Description: The Professional IC Vario system with Metrohm Inline Ultrafiltration and conductivity detection enables the fully automatic determination of anions. Typical areas of application: Samples with slight to medium-severe loads of particles, algae or bacteria Drinking and surface water Process

    • Instrument Type: Fixtured or Permanent
    • Analysis Method: Analytical Analysis
    • Detection Method: Electrochemical Detector, Other
    • Injection Method: Valve Injection, Auto-sampler Injection

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  • Supplier: Metrohm

    Description: Anion separation column for use with chemical suppression. For the determination of oxohalides. Disinfection by-products from water treatment are suspected not only of being health hazards but also of being carcinogenic. Oxohalides have therefore become the subject of many investigations

    • Column Type: Analytical Column
    • Stationary Phase/Separation Process: Other
    • Construction Material: Polymer
    • Column Length: 25 cm

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  • Supplier: Hamilton Co.

    Description: is delivered by pressing the push button. All of these features make the syringe easy to use. Typical applications include: Carbon analysis Analysis of waste water

    • Configuration: Syringe and Needle Combo
    • Reusable: Yes
    • Injection Method: Manual
    • Needle Configuration: Removable

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  • Description: If fine chemicals and ACS reagents are a vital part of your business, then our huge selection of ACS chemicals will be an invaluable resource. With over 12,500 fine chemicals and ACS chemicals to choose from, we offer one of the largest ACS chemical product lines available in the industry. Our wide

    • Form: Inorganic Chemical / Salt, Liquid / Solution

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  • Description: (a)pyrene, dibenzo(a,h)anthracene, fluorene, anthracene, pyrene, chrysene, benzo(k)fluoranthene, indeno(1,2,3-cd)pyrene, benzo(ghi)perylene] in drinking and ground water in mass concentrations greater than 0,005 microgram/litre (for each single compound) and surface waters in mass concentrations above

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  • Supplier: Cole-Parmer

    Description: in HPLC, including acetonitrile/water.

    • Filter Medium Material: Polytetrafluoroethelene (PTFE)
    • Housing Material: Polypropylene (PP)
    • Operating Temperature: 140 F

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  • Description: Produce Type I and Type III reagent grade water directly from potable tap water. Applications: Type I water for HPLC mobile phase preparation, sample dilution, buffer and cell culture media preparation, preparation of chemical solutions used with titrators, spectrophotometers and electrophoresis

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  • Description: No Description Provided

    • Column Type: Analytical Column
    • Packing Material Diameter: 10 µm
    • Internal Diameter: 10 to 20 mm

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  • Supplier: TCI America

    Description: Tetrabutylammonium Hydroxide (10% in Water) [Reagent for Ion-Pair Chromatography] / IPC-TBA-OH Ion-exchange chromatography systems have previously been utilized in HPLC analysis of ionic samples. Recently, reversed phase partition chromatography using ion-pair reagents has been developed

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  • Description: Analytics was founded in 1977 as an industrial hygiene laboratory. In the early '90s, Analytics' focus shifted to include both industrial hygiene and environmental testing. During the last 30 years, Analytics Corporation has been a division of Rohm & Haas, Roche Biomedical and LabCorp. Being

    • Laboratory Services Offered: Assays / Quantitative, Field Sampling, Industrial Hygiene Services, Purity / Quality (Air, Water, Material), Report Preparation, Standards Testing / Certification, Other
    • Test / Certify To: AIHA, ASTM, EPA, NIOSH, Other
    • Materials: , Volatiles (VOCs) / Solvents, Water, Other
    • Testing / Analytical Methods: Atomic Absorption Spectroscopy (AA), Chromatography (GC, HPLC, etc.), Inductively Coupled Plasma (ICP / LA-ICP), SDWA, TCLP, Trace Analysis (ppm, ppb, ppq), UV / Vis Spectroscopy

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  • Description: arium® pro Ultrapure Water System arium® pro, ASTM Typ1 water purification system for the high end user. Whether for routine analysis or critical applications where reagent-grade water is required, the system consistently supplies high quality that is perfect for your applications

    • Market: Food / Medical / Sanitary

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  • Description: Compliant Testing Our aquatic toxicity testing services will cover mostdisciplines, including salt and fresh water applications. Closed Bottle Biodegredation studies Product Development Testing NCP approved testing lab Sherry has helped manufacturers prove the environmentalfriendliness

    • Capabilities: Bioanalytical (Assays, etc.), Cleanliness Monitoring / Testing, Environmental Site Assessment (ESA), Field Sampling, Purity / Quality (Air, Water, Material), Report Preparation, Sample Pickup / Report Courier, Stack Emissions / Opacity Testing, Standards Testing / Certification, Toxicity
    • Media Tested / Detected: (VOCs) / Solvents, Water, Water - Drinking / Potable, Water - Ground, Water - Process / Feedwater, Water - Surface, Water - Wastewater / Sludge, Other
    • Test Methods: Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Microscopy / Fiber Examination, Optical Emission Spectroscopy
    • Test / Certify To: AOAC, ASME, ASTM, EPA, MIL-SPEC, NIOSH, NIST, OEM Specific, Other

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  • Description: ? cells of the thyroid in mammals. I SpeciesReactivity Human Form Antigen/Control peptide Antigen Human CGRP (37-aa) was synthesized and purified by hplc (>99%), Ala-Cys-Asp-Thr-Ala-Thr-Cys-Val-Thr-His-Arg- Leu-Ala-Gly-Leu-Leu-Ser-Arg-Ser-Gly-Gly-Val- Val-Lys-Asn-Asn-Phe-Val-Pro-Thr-Asn-Val-Gly

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  • Description: ) Metals Gas Analysis- Leco Inert Gas Fusion Oxygen Nitrogen Hydrogen Hydrogen Pick-up (Etched vs Unetched) Nonmetallic Testing Services Contamination and Surface Residue Analysis Extractions Filler/Ash Content FTIR Spectroscopy Glass/Resin Content HPLC Micro FT-IR Plasticizer Content GC

    • Services Offered: Environmental Testing and Analysis Services, Cleanliness Monitoring / Testing, Deformulation / Reverse Engineering, Environmental Exposure Testing, Field Sampling, Materials Testing Services, Quality / Purity (Contamination), Report Preparation, Sample Pickup / Report Courier, Sample Retention,
    • Test / Certify To: AOAC, ASTM, AWS, EPA, MIL-SPEC, NIOSH, NIST, OEM Specific, Other
    • Materials: Substances, Wafers / Surfaces, Water, Welds / Joints
    • Test Methods: Ash Testing / Filler Content, Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Combustion Analysis, Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Microscopy

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  • Supplier: ANALYZE Inc.

    Description: ANALYZE is one of the premier independent consulting laboratories and specialty chemical product manufacturers in the United States that supports clients operating throughout the global economy. The company, headquartered in Metropolitan Phoenix, Arizona, has an international team of chemists with

    • Capabilities: Assays / Quantitative, Chemical Testing Services, Cleanliness Monitoring / Testing, Deformulation / Reverse Engineering, Environmental Exposure Testing, Environmental Testing and Analysis Services, Failure Analysis, Field Sampling, Monitoring Programs (Audits / Surveillance), Quality / Purity
    • Materials: Adhesives / Sealants, Chemicals, Coatings, Composites, Cosmetics (Creams, Sunblocks, etc.), Fuel Cell / Battery Materials, Petroleum Fluids (Oil, Fuel, Distillates), Plastic / Rubber, Polymers / Organics, Powders, Wafers / Surfaces, Other
    • Test Methods: Ash Testing / Filler Content, Auger Spectroscopy (AES), Chemical Extraction, Chromatography (GC, HPLC, etc.), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Microscopy / Metallography, Nondestructive Testing, Optical Emission Spectroscopy, Particle Size / Sieve Analysis
    • Test / Certify To: ASTM, OEM Specific

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  • Description: Nonmetallic Laboratory Services Chemical Analysis Environmental Simulation Flammability Testing Mechanical Testing Physical Testing Thermal Analysis Polymer, Composites and Advanced Materials Testing Environmental Analytical Testing Bioassay Testing Wastewater Testing Biosolids Drinking Water

    • Laboratory Services Offered: Assays / Quantitative, Chemical Testing Services, Cleanliness Monitoring / Testing, Environmental Exposure, Environmental Testing and Analysis Services, Failure Analysis, Field Sampling, Materials Testing Services, Purity / Quality (Air, Water, Material), Report Preparation, Sample Pickup
    • Test / Certify To: AOAC, ASME, ASTM, AWS, EPA, MIL-SPEC, NIOSH, NIST, OEM Specific, Other
    • Materials: / Organics, Powders, Sediment, Soil, Solid Waste, Toxins / Restrictive Substances, Textiles, Thin Films / Plating, Volatiles (VOCs) / Solvents, Wafers / Surfaces, Water, Welds / Joints, Other
    • Testing / Analytical Methods: Ash Testing / Filler Content, Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Combustion Analysis, Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mass Spectroscopy (RGA, etc.), Mechanical

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  • Description: Bureau Veritas Laboratories is your full-service analytical laboratory services provider. With services and expertise ranging from routine analysis to specialized problem investigations, our three laboratory locations have the talent and experience to exceed your analytical expectations. Our focus

    • Services Offered: Environmental Testing and Analysis Services, Assays / Quantitative, Cleanliness Monitoring / Testing, Deformulation / Reverse Engineering, Environmental Exposure Testing, Field Sampling, Geotechnical Services, Materials Testing Services, Industrial Hygiene Services, Monitoring Programs (Audits
    • Test / Certify To: AIHA, APHA, AOAC, ASTM, AWS, EPA, MIL-SPEC, NIOSH, NIST, OEM Specific, RoHS
    • Materials: , Distillates), Plastic / Rubber, Polymers / Organics, Powders, Soil, Solid Waste, Textiles, Thin Films / Plating, Volatiles (VOCs) / Solvents, Toxins / Restrictive Substances, Wafers / Surfaces, Water, Welds / Joints
    • Test Methods: Auger Spectroscopy (AES), Ash Testing / Filler Content, Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Combustion Analysis, Diffraction (X-ray, Electron, etc.), Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Isotopic

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  • Description: The model AF46 is an advanced, dual channel Ultraviolet (UV) absorption sensor with two additional lamp reference compensation channels. This sensor is designed for inline operation and provides accurate measurements with great repeatability, linearity and resolution. The AF46 is used for HPLC

    • Process Media Temperature: 32 to 302 F
    • Display Type: None
    • User Controls: None
    • Filters: Yes

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  • Supplier: Cole-Parmer

    Description: • Provide superior separation of water soluble compounds • Ideally suited for sample clean-up • Analyte separation over a wide range of molecular weights • Long, efficient column life BioBasic SEC (Size Exclusion Chromatography) columns are made with a mechanically rigid silica

    • Column Type: Guard Column

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  • Supplier: Cole-Parmer

    Description: • Provide superior separation of water soluble compounds • Ideally suited for sample clean-up • Analyte separation over a wide range of molecular weights • Long, efficient column life BioBasic SEC (Size Exclusion Chromatography) columns are made with a mechanically rigid silica

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  • Description: Application kit for food analysis, hydrogen form, 9 μm particle size, 8% cross linkage, pH range 1-3, includes guard column Aminex HPLC columns are packed with a polymer-based matrix (polystyrene divinylbenzene). They separate compounds using the ion-moderated partition

    • Column Type: Analytical Column

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  • Supplier: Cole-Parmer

    Description: ;To pass test Refractive Index at 25°C—1.4420-1.4450 Acid and Chloride—To pass test Free Chlorine—To pass test Residue after Evaporation—≤2ppm Substances Darkened by H2SO4—To pass test Water—≤0.02% Acetone and Aldehyde [as (CH3)2CO]—To pass test (about

    • Other: Other

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  • Supplier: M+P Labs

    Description: The M&P Lab is a full-service materials testing laboratory, offering our clients a full range of analytical and consulting services such as acceptance testing, quality control, service evaluation, failure analysis and product development. We analyze materials such as metals, composites, organics

    • Laboratory Services Offered: Chemical Testing Services, Failure Analysis, Materials Testing Services, Purity / Quality (Air, Water, Material), Report Preparation, Sample Retention, Standards Testing / Certification, Other
    • Test / Certify To: ASTM, MIL-SPEC, OEM Specific, Other
    • Materials: Adhesives / Sealants, Ceramics / Glass, Chemicals, Coatings, Composites, Concrete / Mortar, Fuel Cell / Battery Materials, Gases, Heavy Metals (Lead, Chromium, etc.), Inorganics, Metals, Paper, Petroleum Fluids (Oil, Fuel, Distillates), Plastic / Rubber, Polymers / Organics, Powders, Textiles,
    • Testing / Analytical Methods: Atomic Absorption Spectroscopy (AA), Chemical Extraction, Chromatography (GC, HPLC, etc.), Combustion Analysis, Inductively Coupled Plasma (ICP / LA-ICP), Infrared Spectroscopy (FTIR, etc.), Mechanical Testing, Microscopy / Metallography, Optical Emission Spectroscopy, Particle Size / Sieve

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  • Detection of Nitroarenes in Diesel Exhaust Using HPLC with UV and Fluorescence Detection
    and nitroarenes in diesel exhaust. A series of diesel exhaust samples spiked with nitroarenes were run on a Jasco HPLC equipped with an NPpak-P pretreatment column, an NPpak column for separation, and an NPpak-R column for reduction. Samples were run using gradient elution with methanol and water at a flow rate
  • A Guide to Freeze Drying for the Laboratory
    such as microbial. cultures, long term storage of HPLC samples,. preservation of whole animal specimens for museum. display, restoration of books and other items damaged by. water, and the concentration and recovery of reaction. products.

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