滤纸

dìng xìng lǜ zhǐ

定性滤纸

qualitative filter paper

dìng liàng lǜ zhǐ

定量滤纸

quantitative filter paper

fēn xī lǜ zhǐ

分析滤纸

filter paper analysis

shǐ yòng kā fēi lǜ zhǐ

使用咖啡滤纸

use coffee filter papers