This standard specifies the method for measuring the pH value of polyvinyl alcohol resin aqueous solution with a pH meter. This standard applies to the determination of the pH value of a 4% aqueous solution of polyvinyl alcohol resin.
GB/T 12010.8-1989 history
2010GB/T 12010.4-2010 Plastic.Poly(vinyl alcohol)(PVAL)materials.Part 4:Determination for pH value
1989GB/T 12010.8-1989 Determination for pH of polyvinyl alcohol resins
GB/T 12010.8-1989 Determination for pH of polyvinyl alcohol resins was changed to GB/T 12010.4-2010 Plastic.Poly(vinyl alcohol)(PVAL)materials.Part 4:Determination for pH value.