High-performance ATR spectrometer accessory
The Quest ATR Accessory is a performance single-reflection ATR accessory from Specac designed for laboratory spectroscopic sample analysis in the mid- and far-infrared. With innovative optical design and durable monolithic diamond ATR crystal option, this sets the benchmark in performance and value for ATR spectroscopy.
Interchangeable ATR-FTIR crystal pucks
Various interchangeable ATR crystal pucks are available for the Quest.
- High throughput diamond
- Extended wavelength diamond
- ZnSe
- Ge
- Silicon
- Specular Reflectance
- Arrow™
|
Material
|
Range (cm-1)
|
Refractive index
|
Depth of penetration* (µm)
|
|
Diamond (standard)
|
7800-400
|
2.40
|
2.0
|
|
Diamond (extended range)
|
10000-10
|
2.40
|
2.0
|
|
ZnSe
|
7800-500
|
2.41
|
2.0
|
|
Ge
|
5500-480
|
4.00
|
0.7
|
|
Si
|
8000-1350;
500-33
|
3.41
|
0.9
|
|
Arrow™ silicon wafer
|
8000-33
|
3.41
|
0.9
|
*at 1000 cm-1. Calculated for a 45° angle of incidence and a sample refractive index of 1.5.
Each puck is made from hardened stainless-steel and locates magnetically on the accessory, making them easily interchangeable without requiring additional alignment.
Heated puck NEW!
The Heated Puck enables high temperature measurements up to 110 °C, perfect for analysis of phase changes in soaps, food stuffs, and other multi-phase systems. A highly sensitive 4-wire RTD sensor is used for temperature measurement, while control is provided by a compact USB interface and a free PC-based software app.
The heated puck is available with either a high throughput diamond ATR crystal or a ZnSe crystal.
Pucks for easy liquid sampling
Liquid pucks have a raised surface around the crystal, forming a bowl to confine samples on the crystal. This is useful for samples with low viscosity or prone to evaporation. The bowl has a volume of approximately 100 µL.
The pressure tower
The Quest™ has a pressure tower which allows a clamping load of up to 40 lbs to be applied to solid samples to ensure full contact with the crystal. The tower gives an audible click when its pre-set load has been reached.
Flow anvil
The flow anvil enables samples to be flowed over the crystal at low flow rates and low pressures using a syringe. It has an internal volume of 28 µL and is held in place with the pressure tower.
Compatable with measurement standards
| Method |
Number |
|
| Determination of Biodiesel by FTIR-ATR-PLS |
ASTM D7371 |
|
Request a quote for the Quest ATR accessory
For a Quest ATR accessory price, contact us for a free quote.
Quest ATR accessory reviews
- "We have been testing liquids, powders (deposits) and plastics with absolutely no problems for the last 3 years" – Marco Nunes of Cariri
- "Of particular note is the use of all-reflective optics and the availability of an extended-range diamond option" – Philip Ash of University of Oxford
- "These diamond ATR units are practically indestructible and extremely easy to clean and can be swapped out for liquid or gas cells very easily" – Susan Gannon of University of Glasgow
- "Perfect for organic chemistry practicals" – Peter Brien of Trinity College Dublin