Er-162 ( 0.14% ) Er-164 ( 1.61% ) Er-166 ( 33.6% ) Er-167 ( 22.95% ) Er-168 ( 26.8% ) Er-170 ( 14.9% )
Isotopes:
Er-144 Er-145 Er-146 Er-147 Er-148 Er-149 Er-150 Er-151 Er-152 Er-153 Er-154 Er-155 Er-156 Er-157 Er-158 Er-159 Er-160 Er-161 Er-163 Er-165 Er-169 Er-171 Er-172 Er-173 Er-174 Er-175 Er-176 Er-177
For information on elements, we recommend
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