GB/T 7814-1987
Replaced
GB/T 40394-2021
Active
National standards
GB/T 40394-2021 Determination of trace trimethylamine in methanol for industrial use—Gas chromatography mass spectrometry
GB/T 40394-2021 Determination of trace trimethylamine in methanol for industrial use—Gas chromatography mass spectrometry
Price:
$ 50
Basic Information
Standard Code:
GB/T 40394-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic organic chemical raw materials
ICS Name:
Alcohols and ethers
Publish Date:
2021-08-20
Implement Date:
2022-03-01
Pages:
9 pages
Scope
This document specifies a method for determining the trace amount of trimethylamine in industrial methanol using gas chromatography-mass spectrometry. This document is applicable to the determination of trimethylamine in industrial methanol, with a detection limit of 14 μg/L.
Development Information
Referenced Standards
GB/T 3723-1999 Sampling of chemical products for industrial use—Safety in sampling
GB/T 6680-2003 General rules for sampling liquid chemical products
GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
Related Standards
GB/T 13206-1991
Replaced
GB/T 13206-1991 Glycerines
GB/T 13216.10-1991
Replaced
GB/T 13216.10-1991 Test methods for glycerines—Determination of saponification equivalent
GB/T 13216.11-1991
Replaced
GB/T 13216.11-1991 Test methods for glycerines—Limit test for arsenic
GB/T 13216.1-1991
Replaced
GB/T 13216.1-1991 Test methods for glycerines—Method of sampling for glycerines in drums
GB/T 13216.12-1991
Replaced