Queen Screw & Manufacturing Inc

42 products found


  • Fabricate Analytical-Grade Plastic Parts

    Fabricate Analytical-Grade Plastic Parts

    We fabricate analytical-grade plastic parts and assemblies to our customer requirements from a wide variety of plastics such as PEEK, Vespel, Torlon, Delrin, KEL-F, and Ertalyte, depending on requirements for dielectric and mechanical strength, biocompatibility, and chemical, temperature, steam resistance and other characteristics. Sizes range from 0.005' to 2' O.D. with +/-.0002' tolerances. Secondary operations such as engraving, milling, cross...

  • Queen Screw - Plastic Plating

    Queen Screw - Plastic Plating

    Queen Screw and Manufacturing is dedicated to being the very best, and our vision shows through in superior quality of work. We place particular emphasis on quality, and have established an inspection area where each job is carefully reviewed and evaluated prior to shipment, to ensure you get the quality you require.

Products by Waters Corporation

  • Columns and Consumables

  • Oasis Sample Extraction Products

    Oasis Sample Extraction Products

    Combining revolutionary sorbents with innovative hardware, Oasis® sample extraction products are the preeminent choice in solid phase extraction (SPE). Chosen for their reliable and highly selective performance, Oasis products are used by separation scientists across the globe to solve the most difficult sample preparation challenges. Researchers rely on the superior technical performance of Oasis products to achieve unmatched purity, consistency, and...

  • Sep-Pak SPE - Sample Extraction Instruments

    Sep-Pak SPE - Sample Extraction Instruments

    Sep-Pak products are recognized worldwide and remain the most referenced SPE products for GC/MS, HPLC, and LC/MS analysis, offering a wide variety of chemistries and configurations to complement the 96-well and patented* uElution plate format. Each design configuration offers specific functional benefits, but all contain the same high quality packing sorbents for reversed-phase, normal-phase, ion-exchange and specialty applications. This makes method...

  • ACQUITY UPLC Columns

    ACQUITY UPLC Columns

    In 2004, the chromatography industry was revolutionized by the introduction of Ultra-Performance Liquid Chromatography [UPLC® Technology]. Significant advances in instrumentation and column design enabled scientists to achieve dramatic increases in speed, sensitivity and resolution for their analytical separations. Holistically-designed ACQUITY UPLC® Systems and ACQUITY UPLC Columns allow chromatographers to harness the efficiency power of...

  • CORTECS Columns

    CORTECS Columns

    Unleash the power of your laboratory's instrumentation. The latest addition to our family of reversed-phase columns, CORTECS® 1.6 µm and 2.7 µm solid-core columns deliver new levels of performance. - High performance columns that maximize efficiency - Greater throughput and speed vs. fully-porous particle columns - 1.6 µm particle size for UPLC® separations - 2.7 µm particle size for HPLC and UHPLC separations

  • ACQUITY UPC2 Columns

    ACQUITY UPC2 Columns

    Designed for the ACQUITY UltraPerformance Convergence Chromatography™ (UPC2™) System. - High efficiency and resolution - Wide range of selectivity - Excellent batch-to-batch reproducibility Sub-2 µm Convergence Chromatography Column Chemistries The reduction and control of surface silanol activity on ACQUITY UPC2 particles delivers, under SFC conditions, excellent peak shapes - without the use of mobile-phase additivies - even for...

  • Sample Vials

    Sample Vials

    Maximize your lab efficiency with fewer failed assays and limited instrument downtime caused by vials out of specification. You can choose from Waters broad range of vials, each one is held to tight dimensional tolerances and the certified products have cleanliness measured by LC and MS.

  • Separations/Chromatography (LC)

    UPLC® Technology was created especially for scientists who seek proven, reliable technology that simultaneously improves laboratory productivity, efficiency, and throughput. With its success demonstrated by more than 500 peer-reviewed papers, 300 application notes, and dramatic process improvements, leading companies and institutions around the world have standardized on UPLC for measurable scientific and business benefits.

  • ACQUITY - Model UPLC - H-Class System

    ACQUITY - Model UPLC - H-Class System

    Highest resolution of any quaternary LC system: Improve your laboratory’s efficiency by scaling your methods to UPLC Technology. Use UPLC’s unmatched resolution to get better characterization of your complex samples. Take advantage of tools that simplify and streamline your method development workflow. Future-proof your lab by running your existing HPLC and UHPLC methods today and then transitioning to UPLC when you are ready.

  • Alliance - HPLC System

    Alliance - HPLC System

    The consistency of the Alliance HPLC System gives you exceptional confidence in your analytical results, day-to-day and year-to-year. Get accurate and reproducible results with Waters' flagship HPLC technology, which provides consistent and reliable performance whether your Alliance HPLC System is newly manufactured, or you're working on one that is several years old.

  • ACQUITY - UPLC M-Class System

    ACQUITY - UPLC M-Class System

    The analysis you’ve always desired for nano- to microscale separations. The ACQUITY UPLC M-Class System delivers the most robust, reliable, and highest quality nano- to microscale UPLC separations to every laboratory performing LC/MS analyses. With unprecedented usability, the ACQUITY UPLC M-Class System enables laboratories to succeed in analyzing compounds that are severely limited in amount or availability, even amid a complex matrix over...

  • ACQUITY - Model Arc - Quaternary-Based Modern System

    ACQUITY - Model Arc - Quaternary-Based Modern System

    HPLC and UHPLC method compatibility at the flip of a switch. The ACQUITY Arc System is a quaternary-based, modern LC system for scientists working with established methods who are looking for the versatility and robustness required to bridge the gap between HPLC and UPLC while continuing to support validated assays.

  • ACQUITY - UPLC Systems with 2D LC Technology

    ACQUITY - UPLC Systems with 2D LC Technology

    ACQUITY UPLC Systems with 2D LC Technology offer the lowest dispersion system for maximum peak capacity with the most reliable, highest performing solvent managers and valve compartments on the market to ensure accuracy and precision of the entire assay.

  • Mass Spectrometry (MS)

    Waters innovative single quadrupole mass detectors are designed for robustness, to make access to mass spectral data easy for scientists with all levels of expertise. Waters mass spectrometers provide you with the tools to confidently identify and quantify unknown compounds in complex samples, and confirm trace components at the lowest possible levels. Instrumentation that allows you to comprehensively catalog complex samples in a single analysis is now available. With technologies like Qua

  • Xevo TQ-S - Tandem  Quadrupole (Triple Quadrupole)

    Xevo TQ-S - Tandem Quadrupole (Triple Quadrupole)

    Provides the ultimate in quantitative capabilities, allowing for the direct injection of envirnmental samples with no sample preparation. The system is designed to enable uncomplicated access to superior UPLC/MS/MS performance, delivering the highest levels of sensitivity, selectivity, robustness, speed, and accuracy. KEY FEATURES/BENEFITS ¦ Improves laboratory productivity by eliminating sample prep. ¦ Meet required limits of...

  • ACQUITY QDa Detector

    ACQUITY QDa Detector

    ACQUITY QDa is as intuitive as an optical detector, with the robustness to handle all of your analyses, without the sample-specific or user adjustments typical of traditional mass spectrometers. Generate the highest quality mass spectral data, routinely without the need for any special training or expertise thus eliminating any need to contract out and wait for results from specialist analytical service laboratories. With ACQUITY QDa Detector, you can...

  • Xevo G2-XS QTof - High Performance Benchtop QTof Mass Spectrometer

    Xevo G2-XS QTof - High Performance Benchtop QTof Mass Spectrometer

    For the scientist who needs to identify, quantify and confirm the broadest range of compounds in the most complex and challenging samples. - Maximum robustness with no compromise in performance - Class-leading real-world quantitative sensitivity - Highest quality, most comprehensive qualitative information - Flexibility to adapt to changing needs - Accessible to experts and non-experts alike

  • Xevo TQ-S micro - Tandem/Triple  Quadrupole Mass Spectrometer

    Xevo TQ-S micro - Tandem/Triple Quadrupole Mass Spectrometer

    Revolutionary design has produced a tandem quadrupole instrument with a small footprint that delivers consistent low levels of quantitation with a wide dynamic range. - Robust performance enabling reproducible detection of analytes at low levels in complex matrices - Confidently quantify more analytes using high acquisition rates - Accessible sensitivity and method transfer with the Xtended Dynamic Range (XDR) detector - Understand sample complexity...

  • ACQUITY - Model TQD - Tandem Quadrupole (Triple Quadrupole) Mass Spectrometer

    ACQUITY - Model TQD - Tandem Quadrupole (Triple Quadrupole) Mass Spectrometer

    Developed for integrated UPLC/MS/MS quantitative applications, the Waters ACQUITY TQD features the highest levels of tandem quadrupole MS selectivity, robustness, speed, and accuracy. To maximize the analytical advantages of UltraPerformance LC (UPLC), the ACQUITY TQD operates at the highest data acquisition rates. When integrated with the ACQUITY UPLC System, the ACQUITY TQD gives you class-leading analytical detection limits, resolution, and sample...

  • Model ionKey/MS - Mass Spectrometry System

    Model ionKey/MS - Mass Spectrometry System

    Easily More Sensitive, Just Turn the Key. With an ionKey/MS System, Waters transforms what your lab can do. By integrating the UPLC separation into the source of the mass spectrometer ionKey/MS gives you: Increased sensitivity, Simplified user experience, The power to perform multiple analyses on limited sample volumes, The power to analyze smaller sample sizes, Reduced solvent consumption

  • SYNAPT - Model G2-Si - High Definition Mass Spectrometry

    SYNAPT - Model G2-Si - High Definition Mass Spectrometry

    Information. Informatics. Impact. SYNAPT provides the most complete characterization of complex mixtures and molecules with unique levels of MS performance, industry leading informatics and unparalleled platform versatility. Superior separation with high-efficiency T-Wave IMS, Ultimate UPLC/MS/MS performance, Data independent & data dependant T-Wave IMS solutions, CID and ETD fragmentation capabilities, Wide range of experimental options

  • Vion IMS QTof - High Resolution Benchtop QTof Mass Spectrometer

    Vion IMS QTof - High Resolution Benchtop QTof Mass Spectrometer

    Beyond Resolution Does high resolution, accurate mass data always lead to the correct answer first time? Avoid additional confirmatory experiments by utilizing the selectivity of ion mobility. Featuring new geometry and including XS Ion Optics and the QuanTof2 detection system, the Vion IMS QTof has the sensitivity and dynamic range to make ion mobility quantitative and routinely usable, enabling: - easier data interpretation as ion mobility cleans up...

  • Xevo - Model TQ-XS - Mass Spectrometer

    Xevo - Model TQ-XS - Mass Spectrometer

    One system. Every analyte. All the time. Demands on analytical laboratories are changing and every laboratory needs to ensure it can keep pace with these changes.

  • Application Solutions

    Waters thoroughly understands the specialized needs of environmental testing laboratories. Our system solutions include LC columns & sample preparation, environmental standards, chromatography, mass spectrometry and software. Whatever the challenge – sample throughput, trace detection, complex matrices, data management or regulatory compliance – Waters has a solution.

  • Waters Screening Solution with UNIFI

    Waters Screening Solution with UNIFI

    The Waters® Screening Platform Solution with UNIFI® is the first and only comprehensive screening solution – target, identify, quantify, and review using a streamlined analytical workflow that enables more accurate results across a wide range of aenvironmenal pplications. The platform is holistically designed, combining world-class instruments, software, Waters’ Analytical Standards and Reagents, and chemistries. All backed by Waters expert Service and...

  • Alliance - Carbamate Analysis

    Alliance - Carbamate Analysis

    Waters Alliance® System for Carbamate Analysis is a complete method and instrumentation package for the high-sensitivity analysis of N-methylcarbamate and N-methyl-carbamoyloxine pesticides and related compounds in a variety of environmental and food samples, including drinking and raw source waters, crop residues, and processed foods. For research scientists and chemists who need the most accurate, sensitive HPLC and LC/MS analysis of pesticides and...

  • Pesticide Screening Application Solution with UNIFI

    Pesticide Screening Application Solution with UNIFI

    Ideally suited for analytical challenges in food safety and water quality testing, Waters’ Pesticide Screening Application Solution with UNIFI™ gives scientists the ability to test more food products and environmental samples for increasing numbers of residues and contaminants below regulatory limits. The Pesticide Screening Application Solution with UNIFI is custom built to minimize both false positive and false negative findings. Reliably report the...

  • Analytical Standards and Reagents

    Waters understands that standards and reagents are a vital component for achieving optimal performance and compliance using analytical instrumentation. The technical and regulatory requirements for preparation, documentation and testing of analytical standards and reagents are becoming increasingly complex and time consuming. Waters Analytical Standards and Reagents will enhance your productivity, strengthen your compliance, support globalization, and stimulate your business’ future growth.

  • Environmental Standards

    Environmental Standards

    Waters instrumentation, standards and sample preparation products are used for environmental analysis in laboratories throughout the world. Application analyses for Waters UPLC, UPC2, UPLC/MS/MS, UPLC/QTof MS, and GC/MS/MS systems include pesticides, trace metals, cations and anions. - Help ensure safety and compliance - Increase laboratory efficiency - Improve quality of results.

  • Reagents


    Your choice of mobile phases, solvents and additives can have a significant impact on your chromatographic and spectrophotometric results. That is why Waters provides standards kits and ready-to-use reagents that are prepared using the highest quality materials for all your critical analyses. If you have any questions, our chemists can help match your reagents to your equipment and processes to help you achieve optimum results. Reagents include: -...

  • GlycoWorks - RapiFluor-MS N-Glycan Kit

    GlycoWorks - RapiFluor-MS N-Glycan Kit

    Reimagine Released N-Glycan Analysis: Waters has developed the GlycoWorks RapiFluor-MS N-Glycan Kit. This technology enables unprecedented fluorescent and mass spectrometric performance for glycan detection while also improving the throughput of N-glycan sample preparation.

  • ProteinWorks - Reproducible and Standardized Protein Quantification

    ProteinWorks - Reproducible and Standardized Protein Quantification

    Reproducible and Standardized Protein Quantification with a Simplified Kit-Based Approach. Routinely achieve reproducible, accurate, and sensitive protein quantification with ProteinWorks, Waters new family of protein bioanalysis sample preparation kits. ProteinWorks eXpress Digest Kits simplify and accelerate protein digestion, streamlining and standardizing the traditionally complex pre-analytic workflow for LC-MS protein quantification via the...

  • SFC Columns

    SFC Columns

    Waters offers three unique brands for SFC chromatography. Our newest addition includes Torus Columns in preparative formats due its excellent performance for a wide range of compounds and matrices. Our Torus and Viridis lines for achiral SFC applications are available in analytical and preparative particle sizes ranging from 1.7 µm to 5 µm.  The preparative format utilizes our patented OBD Technology to ensure ease of scale-up as well...

Products by Diba Industries Inc.

  • OEM Custom Fluidics

  • Diba - Custom Precision Probes

    Diba - Custom Precision Probes

    Diba manufactures custom precision probes for the most demanding micro-fluidic applications. Every Diba probe is designed per customer’s specifications, and many probes include level sensing and fluid heating capabilities. Other custom capabilities include stainless steel, alloys and non metallic tubing, laser welding, custom tips, thermoforming, venting, FEP-lining and specialty surface finishes including Diba’s exclusive DP3...

  • HydroPlus - Liquid Level Sensor

    HydroPlus - Liquid Level Sensor

    Diba probes can be used for level sensing via capacitive measurements with a probe-within-a-probe design.  A thin parylene coating enables the outer probe to detect liquid level in the cuvette while the inner probe performs aspirate and dispense functions.  Diba also offers level sensing for reagent and waste bottles.  Our new HydroPlus offers continuous level sensing via a differential pressure gauge mounted in the bottle cap. ...

  • Diba - Standard Tubing Assemblies

    Diba - Standard Tubing Assemblies

    Diba Industries manufacturers more than 5,000 unique tubing assemblies annually, each designed per customer specification. These tubing assemblies generally fall into two categories: precision, chemically inert tubing assemblies for the sample side of an instrument, and soft tubing assemblies for the wash & waste side of an instrument. These tubing assemblies usually carry multiple sample and reagent fluids. In most cases, precision tubing...

  • Labeling & Print-on Tubing

    Labeling & Print-on Tubing

    Heat shrink is typically the easiest and most affordable way to label hard polymer tubing. In addition, Diba has the capability to laser etch text on semi-rigid plastic tubes such as PTFE, FEP, and LDPE. The text is permanent and can be used when heatshrink or simple wire type labels cannot withstand harsh environments where this tubing is used. It is also used when the end user must be able to see through tubing to ensure sample /fluid transfer is...

Products by IDEX Health & Science

  • RI Detectors

  • Fluidics - Column Hardware - Column Systems

  • IsoBar Systems

    IsoBar Systems

    Ultra-high performance liquid chromatography (UHPLC) decreases the time and costs associated with analytical separations. To consistently maintain the technology advantage, you need column hardware that ensures the speed and precision of your processes. The IsoBar column platform delivers a leak-proof, reliable, all-metal design with high strength threaded end fittings to meet critical system operating requirements.

  • Valves - Rotary Shear Valves

  • IDEX - Model MHP7920-500-4 - TitanHP™ - w/Injector Valve with PCB

    IDEX - Model MHP7920-500-4 - TitanHP™ - w/Injector Valve with PCB

    Our TitanHP consists of a unique driver/actuator and removable liquid end in a space saving design. Our valve offers a removable and replaceable POD Liquid End which ensures zero downtime maintenance. It is a 2-position, 6-port motorized valve with a vertical port and a circuit board. It comes with DP logic and BCD. Our Rapid Replacement POD™ is also sold separately here.

  • Precision Dispense Pumps

  • Idex - Model VFP17 - VFP17 - Precision Dispense Pumps

    Idex - Model VFP17 - VFP17 - Precision Dispense Pumps

    Our VFP17 Precision Dispense Pump delivers precise fluidic dispensing for a variety of lower pressure applications in clinical and laboratory instruments. It offers a flexible design for both standard and customized options. These machined-head pumps allow for custom configurations including mounted valving. The VFP17 is designed to last 5 million cycles and delivers maintenance-free, life of instrument performance.

  • OEM Degassing System

  • IDEX - Model 0001-6682 - 1 Channel OEM Mini Lite Degasse

    IDEX - Model 0001-6682 - 1 Channel OEM Mini Lite Degasse

    Our OEM Mini Lite Degassing system offers the smallest form factor of any degassing system available. The single stage pump offers long life while reducing overall size. A more efficient Systec AF membrane has decreased internal volume while maintaining degassing efficiency and on open polypropylene bracket makes it easy to integrate into nearly any system. This is a one channel degasser.