GB/T 18825-2002
Replaced
T/CISA 223-2022
Active
Group standards
T/CISA 223-2022 Propyl gallate sodium
T/CISA 223-2022 Propyl gallate sodium
Price:
$ 20.00
Basic Information
Standard Code:
T/CISA 223-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Organic Chemistry Comprehensive Exam
Publish Date:
2022-07-08
Implement Date:
2022-08-01
Scope
Main technical content: This document specifies the terms and definitions, technical requirements, test methods, transportation, storage, quality certificates, and safety precautions for crude sodium phenolate. This document is applicable to the production of phenolic products from coal tar distillation fractions (mainly phenolic oil, naphthalene oil, and wash oil) using sodium hydroxide to remove phenols, as well as the removal of phenols from residual ammonia water solvents during the alkali washing process to obtain crude sodium phenolate.
Development Information
Related Standards
GB/T 3391-2002
Active
GB/T 3391-2002 Ethylene for industrial use—Determination of hydrocarbon impurities—Gas chromatographic method
GB/T 3396-2002
Replaced
GB/T 3396-2002 Ethylene and propylene for industrial use—Determination of trace oxygen—Electrochemical method
GB/T 7716-2002
Replaced
GB/T 7716-2002 Propylene for industrial use—Specification
GB 19108-2003
Replaced
GB 19108-2003 Peracetic acid solution-Determination of peracetic acid content
GB/T 6324.1-2004
Active