Correct

提纯

/ tíchún / 
Strokes

Definition

to purify

Example

As a Verb

purify; refine

1
Zhèzhǒng
这种
yán
盐
yǐ
已
bèi
被
tíchún
提纯
gōng
供
yīyào
医药
shàng
上
shǐyòng
使用
  
。

This salt has been purified for use in medicine.

2
Tíchún
提纯
zhètáng
蔗糖

refine cane sugar

3
Tíchún
提纯
jiǔjīng
酒精

purify alcohol

4
Tíchún
提纯
jīnshǔ
金属

refine metals