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A comment on What is our hidden consumption of microplastics doing to our health?. Parent comment

Re:What is our hidden consumption of microplastics doing to ... by thrwy_918 on Thursday May 19, 2022 @11:37AM (#31436106)
>In these scenarios (0.15g and 0.3g) about 90% they estimate comes from salt.

I know nothing about anything, but could salt be heat-treated to burn off plastic?

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Re:What is our hidden consumption of microplastics doing to ... by busterarm on Thursday May 19, 2022 @01:51PM (#31437888)
This is one of the biggest claims ("no microplastics") made about Korean bamboo salt...
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Re:What is our hidden consumption of microplastics doing to ... by quantum_magpie on Friday May 20, 2022 @03:37AM (#31444419)
To properly burn plastic you need temps >1000 degC. Salt melts at 800 degC. If you vaporize plastic at lower temperature you release very nasty toxins.
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Re:What is our hidden consumption of microplastics doing to ... by jpindar on Thursday May 19, 2022 @04:34PM (#31439829)
I think salt is heat-treated to dry it, but I don't know how hot it gets.
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