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A comment on UN Bans Mercury Satellite Propellants Under New Minamata Treaty Provisions.

Re:UN Bans Mercury Satellite Propellants Under New Minamata ... by henearkr on Tuesday March 29, 2022 @08:24AM (#30841584)
Could we use iron ions, and thus maybe seed the oceans when it falls back on Earth?
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Re:UN Bans Mercury Satellite Propellants Under New Minamata ... by simonh on Tuesday March 29, 2022 @10:18AM (#30842837)
It's easiest to use a gas or vapour. Mercury is easy to evaporate and the most common alternatives are heavy gases like Xenon or Krypton.
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