DB22/T 264-2018
DB22/T 264-2001
ISO 1897-9:1977
Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use — Methods of test — Part 9: Determination of m-cresol content (Cresylic acid only)
ISO 1897-8:1977
Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use — Methods of test — Part 8: Determination of o-cresol content (Cresylic acid and xylenols only)