Table 2 Measurement conditions for the EDXRF analysis of soil samples using the spectro Xepos spectrometer. The atmosphere is always air, the duration of each measurement is set to 150 s, and the anode material is made of Pd/Co.

From: Energy dispersive X-ray fluorescence characterization of soil and its geological provenance assessment – Mvengue subdivision of Cameroon

Measurements

 

Measurement details

Voltage (kV)

Current (mA)

Plate correction factor

Number of channels

Resolution FWHM (Mn-Kα)

(eV)

Input count rate cps

Lifetime (S)

Relative dead time (%)

Zero peak rate (cps)

Temperature of the detector (℃)

E ≤ 3 keV

22.6

1.781

1,000,000

4096

133.1

38,614

137

9

2,000,000

-30

3 keV ≤ E ≤ 6 keV

22.6

1.781

1,000,000

4096

133.8

488,452

85

43.2

2,000,000

-30

6 keV ≤ E ≤ 19 keV

45.2

0.889

1,000,000

4096

133.8

219,142

98

34.4

2,000,000

-30

E > 19 keV

50.2

0.799

1,000,000

4096

133.8

7634

125

16.5

2,000,000

-30