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
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分类信息
ICS分类:
【橡胶和塑料工业(83)塑料(83.080)】
CCS分类:
【化工(G)合成材料(G30/39)合成树脂、塑料基础标准与通用方法(G31)】
行标分类:
暂无
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