ポリ塩化ビニルからフミン酸の製造
The Preparation of Humic Acid from Poly(vinyl chloride)

Hisayoshi YOSHIDA, Toshiharu MIKI, Seiji ARITA, Masanao NAKAGAWA
1975 NIPPON KAGAKU KAISHI  
doi:10.1246/nikkashi.1975.1613 fatcat:ew5i22dq7jcn7iq3qg64zscp5i