Table 1 Measured fractions of α-NaNdF4 and secondary NdF3 phases contained in the as-synthesized fluoride salts from the various precursor materials

From: Rare earth metals production using alternative feedstock that eliminates HF

As-synthesized fluoride salt

Weight % of phases in as-synthesized material

 

NdF3

α-NaNdF4

NNF-A

-

100

NNF-C

10 ± 2

90 ± 2

NNF-N

6 ± 1

94 ± 1