From: An investigation of aspects of radiochemical purity of 99mTc-labelled human serum albumin nanocolloid
Sep-Pak® fraction A
MEK
0.9% NaCl
% [99mTc]TcO4−
% [99mTc]TcO2
% polar impurities
t0*
49.4 ± 8.2
24.1 ± 8.4
75.9 ± 8.4
+ 30 min#
53.4 ± 22.7
20.1 ± 7.2
79.9 ± 7.2
+ 60 min#
48.0 ± 16.9
25.7 ± 12.4
74.3 ± 12.4