Bruker D8 Series User Manual

B. Factory Acceptance Test Protocol
DOC-M88-EXX157_V17_04.2019 39 / 96
Part II: Angular Accuracy, Instrument Response and Resolution (D8 Series)
Anode: Co Bragg-Brentano Geometry
Angular Accuracy: Difference Reference Position corr Instrument Resolution
Maximum allowed 2θ deviation depends on height FWHM
obs
< FWHM
max
2θ
obs
[°]
Difference 2θ
obs
Reference
Position
corr
Difference
Reference
Position
corr
2θ
exp
1)
[°]
FWHM
obs
[°]
FWHM
max
2)
[°]
29.786
41.049
81.247
118.142
Reference Position corr
½(Difference
max
+Difference
min
)
obs: observed
exp: expected
Detector
3)
Current Reference Position corr: corrected
For details cf. chapter Reference Values
[}15]
2-Theta
3)
Corrected Reference Position
(Current Reference Position - Reference
Position corr)
Shift
Height Maximum allowed shift 2θ for specified accuracy of:
Vertical 150 0.02° ± 0.01°
214 0.03° ± 0.015°
258 0.04° ± 0.02°
Horizontal 214 0.02° ± 0.01°
258 0.02° ± 0.01°
1)
see table 3.2
2)
see table 3.4
3)
mark applicable: detector in case of Theta/Theta and 2-Theta in case of Theta/2Theta
Depending on specific measurement setups, individual reflections may not be measurable. Then measurements must be restricted to accessible reflections.

Bruker D8 Series Specifications

General

Brand	Bruker
Model	D8 Series
Category	Laboratory Equipment
Language	English