Jōyō kanji, Taught in junior high
JLPT level: N1
980 of 2500 most used kanji in newspapers
Stroke count: 8
Meaning: chop, divide, tear, analyze
Kunyomi:
Onyomi: セキ
Composition: 木 斤
Radical: 木
Meaning: tree
析出 （セキシュツ） separation, deposition, precipitation
透析 （トウセキ） dialysis
人工透析 （ジンコウトウセキ） (artificial) dialysis