| 摘要 |
<p>A method of purifying PF5, which comprises the steps of (a) contacting a composition comprising PF5 and an impurity with a super absorbent polymer or NaF, and (b) removing the composition from the super absorbent polymer or NaF, wherein the amount of the impurity in the composition is reduced. Compositions comprising PF5, HF and super absorbent polymer or NaF.</p> |
