Assertion: hafnium's absorption section | /r/HasProperty | 600 times that of zirconium
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Source sentences:
text: Its absorption cross-section for absorbing neutrons is about 600 times that of zirconium, another element commonly used in reactor control rods.
text: Commercial non-nuclear grade zirconium typically contains 1–5% of hafnium, whose neutron absorption cross-section is 600 times that of zirconium.
text: Hafnium also has a good absorption cross-section for thermal neutrons (around 600 times that of zirconium).