1. 净化：其他试金(assaying)和净化(purifying) 小量黄金的方法包括加银分金法、金银分离法及灰吹法(cuppelation),或基于溶解金于王水中的精炼方法. 世界海洋含有大量的黄金,但以浓度极低的状态存在,可能其十亿分率只有0.1-0.2.

2. 净化率：mass rate of emission limits 净化 | purifying 净化率 | purifying rate 在用车

3. 精炼：mankind=人类; | purifying=精炼; | fire=火;

4. 净化精制：purifying 净化 | purifying 净化精制 | purity 纯度

adj

1. acting like an antiseptic

Synonym: cleansing

2. freeing from noxious matter

e.g. filtration is a purifying agent

3. serving to purge or rid of sin

e.g. purgatorial rites

Synonym: purgatorialpurging