BTXII Benchtop XRD

XRD Analyzers
BTX II Compact Benchtop X-ray Diffraction System

The BTX II Benchtop X-ray Diffraction/X-ray Fluorescence is, simply put, the first combined XRD/XRF instrument designed with ease of use in mind. From educational settings, to the rigors of a QC application, BTX II is well suited. Based on the filled proven reliable design of TERRA, our field portable XRD/XRF instrument, BTX II features the same level of performance, but without the aspects of a portable instrument. The technology used in the portable rock and mineral analyzer received a prestigious R&D 100 award and was chosen to fly on the Mars Science Laboratory Rover scheduled for launch in 2011. Check out the NASA site for more.

The BTX II is a compact combination XRF/XRD system designed for powder analysis. Now XRD work can really be done in an easy to use, small footprint, low cost configuration. With the BTX II patented sample handling system, not only is sample preparation time minimized, but accuracy in peak identification previously only available using large and expensive laboratory based systems can now be achieved.

Key Features/Benefits

BTX II 's unique direct excitation CCD camera provides performance previously found only with lab based XRF/XRD instruments

  • Self-contained instrument
  • Very simple sample preparation
    • loose powders (~20mg of sample)
    • sieve sample to <150µm
  • Easy to use, single button operation
  • True 2D powder XRD instrumentprovides image of XRD pattern
    • See particle influences or preferred orientation
  • Energy discrimination X-ray detector
    • Eliminate Fluorescence, scatter and other background
    • XRF spectral data for pattern confirmation
Easy Sample Preparation
Loading The Vibrating Sample Holder
Sample Holders
Typically, XRD experiments require a finely ground sample which is then pressed into a pellet. This requirement is formed by the need to ensure sufficient random orientation of the crystals in the sample. BTX II introduces a patented new way of addressing this issue. With only 15 mg of sample, BTX II convects the sample with its integrated sample vibration chamber. By doing so, BTX II is able to present all different orientations of the crystal structure to the instrument optics. This results in a superb XRD pattern, virtually free of problematic preferred orientation effects found using more classic preparation methods.
XPowder Software

BTX II is shipped with the necessary software (XPowder) for processing the resulting X-ray diffraction data. This includes the AMCSD mineral database.

For quantitative analysis, XPowder comes complete with reference intensity ratio (RIR) quantitative analysis methods as well as full-pattern analysis tools.

Furthermore, BTX II provides XRD pattern data in a variety of file formats, making XRD pattern interpretation in third-party programs easily accessible.

X-ray Diffraction Data

Search/Match & XRD Quantitative Analysis Software Included

X-ray Fluorescence Data

Qualitative XRF Scan


BTX II operates off software embedded in the unit itself. The user accesses the operating system through a wireless connection (802.11b/g). This remote operation method allows for a wide degree of flexibility in controlling the instrument and subsequent data handling.

XRD resolution 0.25o 2Ø FWHM
XRD range 5 - 55o 2Ø
Detector type 1024 x 256 pixels; 2D Peltier-cooled CCD
XRF energy resolution 200eV at 5.9 keV
XRF energy range 3 to 25 keV
Sample grain size <150µm crushed minerals (100 mesh screen, 150µm)
Sample quantity ~ 15 mg
X-ray target material Co or Cu (Co standard)
X-ray tube voltage 30 kV
X-ray tube power 10W
Data storage 40 Gb- Ruggedized internal hard drive
Wireless connectivity 802.11 b/g for remote control from web browser
Operating temperature -10oC to 35oC
Weight 12.5 kg
Size 11.75 x 6.9 x 19.5 in (30 x 17 x 47 cm)
Power requirements Simple AC power (no cooling systems)
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