Table 2: Experimental and calculated mean relative sensitivity, , and mean standard deviation for chemical elements emitting X-K rays for .

Element (experimental) (calculated)

K190.0530070.0040820.060650
Ca200.1187200.0065060.093774
Ti220.2006690.0152060.203081
Cr240.3291180.0176320.381365
Fe260.6324680.0276130.613014
Ni280.8100420.0307920.832589
Zn300.9307670.0254920.943175
Se340.6659390.0517800.666817
Sr380.1901900.0190450.195293

= standard deviation = , .