ASI, located in California, USA manufactures a broad range of instruments, components, consumables for High Pressure Liquid Chromatography (HPLC) and related separation techniques. ASI product is totally unique in the industry.

QuickSplitTM Flow Splitters

Fixed, Adjustable, and Automated

Flow Splitters for LC/MS.
Makeup-flow Splitters for mass directed fraction collection.

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Automated Flow Splitter AS650 Flyer 2014

Flow Splitter FS 2016

 

Features:

  • Fluid resistor technology eliminates tedious adjustments to capillary tubing for split ratio optimization
  • Split ratios are stable and reproducible, and not affected by changes in viscosity or pressure
  • Adjustable metering valve enables precise direct control over split ratios
  • Easy to use interchangeable fluid resistors make it possible to achieve split ratios from 1:1 to 20,000:1
  • Rugged stainless steel contruction for high pressure operation
  • Ultra low dead volume fluidic design
  • Applications include LC/MS, pre/post-column flow splitting, and flow fractionation
  • Multiport flow splitter diverts the inlet flow into 3 or 4 channels for applications that empoy multiple detectors and/or a fraction collector
  • Makeup-Flow Splitter for mass directed fraction collection
HyperShear TM HPLC and UHPLC Mixers

Static and Dynamic fluid mixers to reduce delay volume and baseline noise. UHPLC and Biocompatible options are available.

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Mixers 2014

Features:

  • Micro Flow, Low Flow, Analytical Flow, High Flow and Combo Series
  • Reduce baseline noise, increase sensitivity and improve gradient accuracy
  • UHPLC mixers are available in volumes ranging from 0.5uL to 1.5mL and pressure to 15,000 psi
  • Available for In-line, Binary and  Ternary formats inStainless Steel (SS) or PEEK
  • Ideal for microbore HPLC, UHPLC and LC/MS
  • Compact design is easily integrated into any HPLC and UHPLC system
  • Increased reaction efficiency for post column derivatization
  • Decreased mixing and delay volume without sacrificing efficiency
  • Mixing volume optimization is easy with interchangeable mixer cartridges
 

PrimeLineTM Syringe Pumps

 

Integral drive/controller for fluidics experiments.
Custom design for OEM applications.

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InfusionPump2016

SyringePumpFlyer62817

Features:

  • Spring loaded check valves allow operation in horizontal or vertical mounting position
  • Optical home sensor
  • Micro step drive using RS232 PC control
  • Optional wash seal available for buffer solutions
  • Optional 400 to 2,000 count rotary encoder available
 ASI HPLC Pumps

Solvent delivery systems for HPLC/UHPLC.

Precision metering pumps for general lab use.

High temperature models are available.

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520 Flyer 2015

Features:

  • Patented “Floating Pump Seal” design for extended seal wear
  • Available with micro, analytical, semi-prep, and prep pump heads
  • UHPLC versions for pressures up to 15,000 psi
  • Programable solvent compressibility compensation
  • Easy maintenance and service fro all wetted parts
  • Integral prim/purge assembly for quick solvent change
Filters and Column Hardware

UHPLC Direct-connect pre-column filters and guard column hardware.

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Filters 2015

Features:

  • Cost effective way to extend column lifetime
  • Replaceable filter element
  • Negligible effect on column performance
  • Universal fit, connects directly to column
  • Leak tight to 15,000 psi
  • PEEK precolumn Filter Fingertight to 5,000 psi
  • High Capacity In-line Filters and Low volume In-line Filters are available
Post Column Reactor

Rupture-proof reactor modules available in Stainless Steel or Biocompatible PEEK.

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PCRData

Features:

  • Rutpure proof reactor cartridge designed for long term reliability
  • Interchangeable reactor cartridges for optimizing reaction volume
  • Convenient access to all PCR components
  • Digital temperature controller is easy to set and read
  • Modular PCR system provides maximum flexibility for system configuration
  • Optional Static Mixers optimize reagent mixing with minimal dispersion
FlatLineTM Pulse Dampers

Rupture proof dampers for HPLC/UHPLC, and available for Biocompatible applications.
Custom design for OEM.

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DamperData

Features:

  • Rutpure Proof, no diaphragm
  • Flow path geometry combines clean flush out with minimal internal volume
  • Customs sizes abailable for OEM
  • Flatine HC (High Capacity) Damper increases damping efficiency and range
HPLC Pump Replacement Parts

ASI check valves are self-priming and acetonitrile-resistant check valves are now available.

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Replacement Parts

Features:

  • Full range of replacement parts available for different brands of HPLC Pumps
  • All check valves are self-priming, no external priming valve/syringe required
  • Designed to deliver superior flow stability and accuracy
  • Crush proof cartridge makes routine maintenance quick and easy
  • Pistons are engineered to insure a high quality surface finish
  • Seals are designed for long life, wide range of solvent compatibility, and optimum performance