3 ms·
We actually know why. Check the paper series "Stability of reference masses" published in Metrologia. Summary: mercury contamination.
by sanxiyn 11y ago
We actually know why. Check the paper series "Stability of reference masses" published in Metrologia. Summary: mercury contamination.
- michaelhoffman 11y agoBefore I was disturbed by the change in apparent mass without explanation. Now I'm disturbed that the people working in these laboratories were exposed to mercury themselves. Nasty stuff.