comparing olympus x-ray diffraction to conventional xrd

Comparing Olympus X-Ray Diffraction to conventional XRD

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$Page 1: Comparing Olympus X-Ray Diffraction to conventional XRD$

ComparingOlympus X-Ray Diffraction

to conventional XRD

$Page 2: Comparing Olympus X-Ray Diffraction to conventional XRD$

Olympus XRD Analyzers

BTX IIBenchtop XRD

Compact Lab Use

TERRA Portable XRD

Field Use

$Page 3: Comparing Olympus X-Ray Diffraction to conventional XRD$

How is Olympus XRD different? Small Portable Low unit cost Low power

Conventional XRD Olympus XRD

Low operating cost No moving parts Easy sample prep Fast analysis

$Page 4: Comparing Olympus X-Ray Diffraction to conventional XRD$

Compact Geometry

• Power of x-ray tube can be reduced without sacrificing the number of available photons compared to large instruments

• Lower power tube eliminates need for external cooling and results in overall lower power consumption

Debye-Scherrer XRD geometry:Photons fall off as a function of 1/r2

$Page 5: Comparing Olympus X-Ray Diffraction to conventional XRD$

Simultaneous Measurement

• Conventional 2KW instruments take a few seconds to collect each 2Θ measurement and scanning entire 2Θ range can take 15 mins to several hours

• CCD detector used by Olympus collects the entire 2Θ range simultaneously so complete diffraction pattern is visible almost immediately

$Page 6: Comparing Olympus X-Ray Diffraction to conventional XRD$

Simultaneous Measurement

secondary peaks clear

1 min / 4 exposures

3 min / 11 exposures

10 min / 36 exposures

For identifiable peaks, quantification stabilizes

very quickly

secondary peaks visible

primary peaks visible - likely identifiable

$Page 7: Comparing Olympus X-Ray Diffraction to conventional XRD$

Energy Discrimination Detector• Energy sensitive detector distinguishes between

photons with the same energy as the X-ray tube contributing to the XRD pattern vs counts caused by florescence of the sample

• The Smart Sense filter selectively removes the counts caused by florescence to provide better signal-to-noise pattern

$Page 8: Comparing Olympus X-Ray Diffraction to conventional XRD$

Transmission Geometry

• Power of x-ray tube can be reduced without sacrificing number of available photons compared to large instruments

• Lower power tube eliminates need for external cooling and results in overall lower power consumption

• Eliminates need for goniometer and calibrations associated with that equipment used in reflective geometry

Debye-Scherrer XRD geometry:Photons fall off as a function of 1/r2

$Page 9: Comparing Olympus X-Ray Diffraction to conventional XRD$

Comparison Diffractograms

Lab based 2KW PXRD

Olympus Terra/BTXIIOlympus

Terra/BTXII

Drywall Sample with a 5 minute acquisition time.

$Page 10: Comparing Olympus X-Ray Diffraction to conventional XRD$

Comparison Diffractograms

Lab based 2KW PXRD

Olympus Terra/BTXIIOlympus

Terra/BTXII

A complex pharmaceutical sample

$Page 11: Comparing Olympus X-Ray Diffraction to conventional XRD$

For more information, please contact Olympus Applications Support

[email protected]

BTX IIBenchtop XRD

TERRA Portable XRD

mailto:[email protected]

$Page 12: Comparing Olympus X-Ray Diffraction to conventional XRD$

For more information please visit:www.olympus-ims.com

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comparing olympus x-ray diffraction to conventional xrd

Documents

olympus xrd different

number of available

xrd pattern vs counts

olympus applications

external cooling

hoursccd detector

complete diffraction

minute acquisition time