Table 3 Fitting curves of εaa, εββ, εαβ, εβα, Xα and Xβ vs. solid mass (mr, mg).

From: Simultaneous determination of gross alpha/beta activities in water by liquid scintillation counting and its applications in the environmental monitoring

Fitting curves

R2

εaa = 96.814 + 3.6717 exp ( – 0.005 mr )

0.971

εββ = 2.6155 exp ( – mr / 86.9253 ) + 62,068.849 exp ( – mr / 1.3341 × 107 ) – 61,976.56

0.998

εαβ = 0.956 – 0.195 exp ( – 0.008 mr )

0.988

εβα = – 0.1908 exp ( – mr / 26.9048 ) – 1.0292 exp ( – mr / 697.1461 ) + 1.9335

0.993

Xα = 0.9877 – 0.23 exp ( – 0.00763 mr )

0.991

Xβ = – 1.2121 exp ( – mr / 687.216 ) – 0.2093 exp ( – mr / 27.9307 ) + 2.1732

0.994

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