Specac Gateway Multi-Reflection ATR


The Gateway ATR accessory is a six reflection horizontal ATR sampling system designed to fit into a wide range of FTIR spectrometers. Analyzed samples can be either liquid or solid, depending on which top plate assembly is used. Liquid flow top plate, heated top plate, and thermo-stabilised top plate options add to the versatility of this accessory for multi-reflection ATR analysis.




Specac Gateway Multi-Reflection ATR

The Specac Gateway ATR system is a low cost multi-reflection horizontal ATR accessory.

High performance transfer optics and anti-reflection coated ZnSe crystals ensure unrivalled throughput and sampling sensitivity.

The rugged design, simple optical layout and Specac’s unique Benchmark base-plate system ensures optimum performance – no matter which instrument make or model you use.

The choice of three basic configurations gives the user the ability to select a complete package that best suits their needs while optional, additional top plates allow sampling flexibility and system expandability.

Key Features

  • Replaceable crystals
  • High optical throughput
  • Purgeable optics
  • Extensive range of optional top plates
  • Benchmark base-plate system


  • Aqueous solutions
  • Liquids – static or flowing
  • Pastes and gels
  • Polymer films
  • Fine powders
  • Quality control
  • Temperature sensitive samples
  • Reaction kinetics
  • Education

Gateway ATR Top Plate Options

Flow Thru Top Plate

Flow Thru Top Plate

  • Process Control
  • 550pl volume
  • Removable crystal
  • Variety of crystals available
  • Reaction Monitoring and Kalrez spacer

Gateway Thermostabilised Top Plate

Thermostabilised Top Plate

  • Reaction Kinetics
  • 550pl volume
  • Removable crystal
  • Stainless steel top plate and Kalrez spacer
  • Heatable to 90 0 C


Heated Trough Top Plate

Volatiles Cover




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