Bruker D8 Series User Manual

G. Customer Acceptance Test Protocol
DOC-M88-EXX157_V17_04.2019 83 / 96
Part II: Angular Accuracy, Instrument Response and Resolution
Anode: Cu Parallel Beam Geometry
Angular Accuracy: Difference Deflection angle corr Instrument Response: I
rel
) Instrument Resolution
Maximum allowed 2θ deviation depends on height Maximum allowed intensity deviation for point detectors ± 10% FWHM
obs
< FWHM
max
2θ
obs
[°]
Differ-
ence
2θ
obs
Deflection
angle corr
Difference
Deflection
angle corr
2θ
exp
1)
[°]
I
obs
I
min
I
exp
1)
I
max
FWHM
obs
[°]
FWHM
max
2)
[°]
25.561 21.49 23.88 26.27
35.137 90.00 100.00 110.00
88.996 11.06 12.29 13.52
127.692 13.37 14.85 16.34
Deflection angle corr
½(Difference
max
+Difference
min
)
Detector
3)
Current Deflection angle Shift
2-Theta
3)
Corrected Deflection angle
(Current Deflection angle –
Deflection angle corr)
Height Maximum allowed shift 2θ [°] for specified accuracy of:
N: scaling factor; For details cf. chapter Reference Values [}15]
Vertical 150 0.02 ± 0.01°
obs:
observed
214 0.03 ± 0.015°
exp:
expected
258 0.04 ± 0.02°
corr:
corrected
Horizontal 214 0.02 ± 0.01°
rel: relative 258 0.02 ± 0.01°
1)
see table 3.1
2)
see table 3.3
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