GB/T 12688.7-1990
Styrene for industrial use--Determination of content of inhibitor (P-tert-butylcatechol)--Colorimetric method
- Standard No.
- GB/T 12688.7-1990
- Language
- Chinese
- Release Date
- 1990
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 12688.7-1990
GB/T 12688.7-1990 history
- 1990 GB/T 12688.7-1990 Styrene for industrial use--Determination of content of inhibitor (P-tert-butylcatechol)--Colorimetric method
GB/T 12688.7-1990 -All Parts
GB/T 12688.1-2019 Test method of styrene for industrial use—Part 1：Determination of purity and hydrocarbon impurities—Gas chromatography
GB/T 12688.10-2020 Test method of styrene for industrial use—Part 10: Determination of oxygenates—Gas chromatography
GB/T 12688.2-1990 Styrene for industrial use--Determination of purity--Crystallizing point method
GB/T 12688.3-2011 Test method of styrene for industrial use—Part 3:Determination of content of polymer
GB/T 12688.4-2011 Test method of styrene for industrial use—Part 4:Determination of content of peroxides—Titrimetric method
GB/T 12688.5-2019 Test method of styrene for industrial use—Part 5：Determination of the content of total aldehydes—Titrimetric method
GB/T 12688.6-1990 Styrene for industrial use--Determination of trace sulfur--Oxidative micro-coulometric method
GB/T 12688.7-1990 Styrene for industrial use--Determination of content of inhibitor (P-tert-butylcatechol)--Colorimetric method
GB/T 12688.8-2011 Test method of styrene for industrial use—Part 8:Determination of content of inhibitor(p-tert-butylcatechol)—Spectrophotometric method
GB/T 12688.9-2011 Test method of styrene for industrial use—Part 9:Determination of trace benzene—Gas chromatographic method