column chromatography liquid - The need for a fully inert fluid path in preparative column chromatography HPLC instruments is satisfied with our line of isolation and mixing valves. These miniature fitting miniature valves provide all-Teflon flow paths, small footprints, and accuracies required of this demanding application. Examples of our valves used in HPLC instruments include a 2-way inert solenoid valve used to act as an off/on miniature fitting waste valve and as a pressure relief to protect an analysis cell. Our solenoid Micro Pump is used to dispense liquid onto a piston in a high-pressure pump to maintain lubrication. Other examples of our valves in use include wash pumps, reagent pumps, switching valves, and gradient valves.

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Medical Instrumentation laboratory glass bottles - Miniature solenoid valves are used in a wide range of medical instrumentation including dialysis machines and automated slide staining equipment. Specific applications for miniature plastic tube fittings valves include saline wash maintenance for surgery, pinching tubing used in disposable patient kits, and pumping solution away from the areas of patient contact. The plastic compression fittings adaptability of our standard product line allows our valves teflon tubing and fittings to be used in many 'non-standard', high-purity or chemically aggressive applications as well.

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Environmental Analysis plastic barb fittings - The ability to measure and track our surroundings is critical in today's world. Our rotary valves are specified in instruments that measure air and water composition throughout the world rotary direction control valve. Air sampling equipment uses pinch valves to create a vacuum for drawing in air at specific intervals. Particle counters fluidic components, daily environmental monitoring units, and marine biology instrumentation also utilize our solenoid valve technology to achieve accurate measurements.

inch valve: The patented design miniature fluid pump imparts an exceptionally durable syringe valve, non-sticking pinch valve with no-clog flow path for handling solenoid valve aggressive, particulate-laden liquids. For moderate miniature liquid pumps chemical inertness and waste lines where particles may be present.

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mixing valve: Choose from a wide range of configuration electronic metering pump options and performance characteristics to meet solvent usage and desired corrosion resistant solenoid valves radient formation for multiple inlets or outlets.

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miniature check valves:Bio-Chek™ from biochem valve In-line check valves provide a gentle, economical miniature solenoid valve, non-metallic flow path for handling low volume plastic solenoid valves, low flow transfers inert valve without causing backflow or miniature check valve turbulence.

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Preparative Column Chromatography

Omnifit's empty glass columns are the perfect solution for most low and mid-pressure preparative column chromatography applications. Available with an adjustable endpiece designed for quick and easy height adjustment, they offer the chromatographer a multipurpose column that can be used again and again for a variety of different applications.

  • Pressure ratings to 1200 psi (80 bar)
  • Solvent resistant
  • Fixed or adjustable height
  • Robust and easy to use
Products:

Precision liquid chromatography can be carried out in the laboratory with Omnifit’s range of chromatography columns. Available with bores of 3.0 to 50 mm, the columns are suitable for a variety of analytical, preparative, and high performance applications and also original equipment manufacture. 

Manufactured from chemically and biologically inert borosilicate glass with PTFE fittings, the Omnifit chromatography column range has minimal dead volume to eliminate sample contamination problems and ensure smooth solvent flow. All columns and attachments are designed for simple assembly and disassembly to allow easy packing and bed material replacement. 

A range of options are available with the Omnifit range, including water jackets, adaptors and luer fittings, and septum injectors for rapid column loading. Bed length can be adjusted with variable length endpieces – available for all sizes of columns – and a valve can be supplied for shutting off the column when not in use.

Omnifit and Biochem Valve products can be found in instrumentation designed for:
  Agriculture
Auto Sampling
Blood Diagnostics
Biotechnology
Chromatography
DNA/Genetic Analysis
DNA/Protein Synthesis
  Environmental Analysis
Life Sciences
Medical Devices
Microbiology
Pharmaceutical
Reprographics
Veterinary
 

 column chromatography liquid


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