GB/T 5026-1985
Replaced
NB/T 11390-2023
Active
Industry standards-Energy
NB/T 11390-2023 Quantitative Detection of Phthalate Compounds in Power Transformer Oil by Gas Chromatography-Mass Spectrometry: Methods for Determination of NB/T 11390-2023
NB/T 11390-2023 Quantitative Detection of Phthalate Compounds in Power Transformer Oil by Gas Chromatography-Mass Spectrometry: Methods for Determination of NB/T 11390-2023
Price:
$ 20.00
Basic Information
Standard Code:
NB/T 11390-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Electrician's insulating materials and their products
ICS Name:
Insulating oil
Publish Date:
2023-05-30
Implement Date:
2024-06-28
Scope
This document specifies the gas chromatography-mass spectrometry method for the determination of phthalate esters in transformer oil. This document is applicable to the determination of the content of phthalate esters in mineral transformer oil. Other oils used in power equipment can be used for reference.
Development Information
Related Standards
GB/T 3217-1992
Replaced
GB/T 3217-1992 Methods of test of the magnetic properties of permanent magnetic (magnetically hard) materials
GB/T 13789-1992
Replaced
GB/T 13789-1992 Magnetic sheet and strip—Methods of measurement of magnetic properties by means of a single sheet tester
GB/T 15822-1995
Replaced
GB/T 15822-1995 Methods for magnetic particle testing
GB/T 7252-2001
Abolished
GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil
GB/T 507-2002
Active