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Effect of various concentration of SnCl2 and GH on free 188ReO4 amounts, colloid amounts and labeling efficiency
| Concentration | 188ReO-4 | Colloid | Labelingfficiency(%) | |
| aSnCl2 (g·L-1) | 8 | 0.3 | 3.6 | 90.9 |
| 4 | 0.4 | 2.8 | 90.1 | |
| 2 | 9.7 | 2.1 | 82.7 | |
| 1 | 21.8 | 1.2 | 71.2 | |
| bGH (mol·L-1) | 0.8 | 1.1 | 1.1 | 91.7 |
| 0.4 | 12.5 | 2.5 | 78.8 | |
| 0.2 | 16.6 | 2.8 | 72.7 | |
| 0.1 | 20.6 | 4.1 | 71.3 | |
aMolar ratio of 2-ME: F(ab’)2 = 400:1,Concentration of GH = 0.5 mol·L-1 bMolar ratio of 2-ME: F(ab’)2 = 400:1,Concentration of SnCl2 = 2 g·L-1
