Fig. 7.

Plot of efficiency-traced massic activity C_A (in Bq ·g⁻¹) for ⁶³Ni experiments using Insta-Gel XF in either “normal” (cocktails “AE” and “AG”) or “gel” (cocktails “AF” and “AH”) states in both the Beckman (circles and squares, respectively) and Packard (triangles and diamonds, respectively) spectrometers. The uncertainty bars represent the measurement repeatability for activity determinations for the same LS cocktail over 6 independent measurements of the massic activity in the same spectrometer.