1
This isn't really the case as almost all volcanic ash as some fluorine.
2
Hydrazine and tetrafluorohydrazine, both fluorine-based, are also extremely toxic and difficult to store.
3
We sprayed out the camp areas with dicoumarins and fluorine-substituted residuals.
4
The gas fluorine becomes a liquid at 210° below zero centigrade.
5
In such a layer, fluorine does not present any absorption bands.
1
NOTES: Flames F Freddie Hamilton saw his first action since Oct. 21.
2
The Alaska no-fly order ended today, but the Virginia-based F-22s remain idle.
3
Meanwhile, his professor is creating a new grade he calls 'F minus'.
4
Pakistan has rarely used its F-16s in counterterrorism missions, the Times said.
5
Governance Metrics rates News Corp with a grade 'F' in corporate governance.
1
On the other hand, fluorine (Fl, atomic number 9) is a vital trace element in the human body and a key ingredient in many pharmaceuticals.