Table 1 Main Chemical Composition of Germanium-Rich Coal Fly Ash.

From: One-Pot Synthesis of GeAs Ultrafine Particles from Coal Fly Ash by Vacuum Dynamic Flash Reduction and Inert Gas Condensation

element

C

O

Si

Cl

S

Ca

Fe

Al

As

Zn

Pb

Cr

content (wt. %)

46.3

24.66

5.96

6.24

1.96

6.53

3.57

2.57

0.44

0.28

0.09

0.01

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