GB/T 8089-1987
Replaced
GB/T 34247.2-2018
Active
National standards
GB/T 34247.2-2018 Determination of the unsaturation of isobutene-isoprene rubber—Part 2:1H-NMR method
GB/T 34247.2-2018 Determination of the unsaturation of isobutene-isoprene rubber—Part 2:1H-NMR method
Basic Information
Standard Code:
GB/T 34247.2-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Synthetic rubber
ICS Name:
Rubber latex and raw rubber
Publish Date:
2018-12-28
Implement Date:
2019-11-01
Pages:
6 pages
Scope
This part of GB/T 34247 specifies the method for determining the unsaturation in isobutylene-isoprene rubber (commonly known as butyl rubber (IIR)) by nuclear magnetic resonance hydrogen spectroscopy.
This part is applicable to raw IIR rubber.
Development Information
Referenced Standards
GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method
GB/T 15340-1994 Rubber, raw, natural and synthetic Sampling and further preparative procedures
GB/T 15340-2008 Rubber, raw natural and raw synthetic—Sampling and further preparative procedures
GB/T 15340-2025 Rubber,raw natural and raw synthetic—Sampling and further preparative procedures
Related Standards
GB/T 8090-1987
Replaced
GB/T 8090-1987 Raw natural rubber—White crepes and pale crepes
GB/T 8083-1987
Replaced
GB/T 8083-1987 Raw natural rubber—Standard rubber—Sampling
GB/T 8084-1987
Abolished
GB/T 8084-1987 Raw natural rubber—Sample preparation
GB/T 8086-1987
Replaced
GB/T 8086-1987 Raw natural rubber—Determination of dirt
GB/T 8290-1987
Replaced