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GB/T 12010.5-2010e 塑料 聚乙烯醇材料(PVAL) 第5部分:平均聚合度测定

Plastic—Poly (vinyl alcohol) (PVAL)materials—Part 5:Determination for average polymerization degree
基本信息
  • 标准号:
    GB/T 12010.5-2010e
  • 名称:
    塑料 聚乙烯醇材料(PVAL) 第5部分:平均聚合度测定
  • 英文名称:
    Plastic—Poly (vinyl alcohol) (PVAL)materials—Part 5:Determination for average polymerization degree
  • 状态:
    现行
  • 类型:
    国家标准
  • 性质:
    推荐性
  • 发布日期:
    2010-09-02
  • 实施日期:
    2011-05-01
  • 废止日期:
    暂无
  • 相关公告:
    暂无
分类信息
描述信息
  • 前言:
    暂无
  • 适用范围:
    This part of GB/T 12010 specifies the method of determining the specific viscosity of water solution of Poly (vinyl alcohol) (PVAL) materials via Ostwald viscometers, and then calculating the average degree of polymerization of Poly (vinyl alcohol) (PVAL) materials through the known specific viscosity.
    This part is applicable to the determination of the average degree of polymerization of Poly (vinyl alcohol)(PVAL) materials with alcoholys is degree higher than 70% (in mole fraction).
  • 引用标准:
    暂无
相关标准
  • 代替标准:
    GB/T 12010.9-1989
  • 引用标准:
    GB/T 603 GB/T 6682
  • 采用标准:
    JIS K6726:1994(confirmed in 2003) Methodology of experiments for vinyl alcohol(in Japanese). (非等效采用 NEQ)
相关部门
  • 归口单位:
    15/SC SAC/TC National Technical Committee of of Standardization And Committee. General Plastic Plastic Products Products method 4 Sub-Technical Resin
  • 发布部门:
    China China of of of of of Standardization Administration Administration And And the the Republic Republic General Quality Supervision,Inspection Quarantine People's People's
  • 提出部门:
    China And Industry Federation. Petroleum Chemical
相关人员
暂无