GB/T 12010.7-2010
Plastics - polyvinyl alcohol (PVAL)materials - Part 7: Determination for sodium hydroxide contents
GB/T 12010.6-1989
Determination for sodium acetate contents of polyvinyl alcohol resins
SN/T 4383-2015
GB/T 12010.11-1989
Determination for sodium hydroxide contents of polyvinyl alcohol resins