GB/T 5327-1985
Replaced
GB/T 39689-2020
Active
National standards
GB/T 39689-2020 Surface active agents—Determination of free formaldehyde
GB/T 39689-2020 Surface active agents—Determination of free formaldehyde
Basic Information
Standard Code:
GB/T 39689-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for surfactants
ICS Name:
Surfactants and other auxiliary agents
Publish Date:
2020-12-14
Implement Date:
2021-07-01
Pages:
9 pages
Scope
This standard specifies the principles and requirements for determining the content of free formaldehyde in surfactants, and stipulates the chromatograms of standard samples obtained by spectrophotometry and liquid chromatography. This standard is applicable to the determination of the content of free formaldehyde in surfactants.
Development Information
Referenced Standards
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
GB/T 6372-1986 Surface active agents and detergents—Division of powder sample
GB/T 6372-2006 Surface active agents and detergents—Methods of sample division
Related Standards
GB/T 5328-1985
Active
GB/T 5328-1985 Surface active agents—Simplified classification
GB/T 5553-1985
Replaced
GB/T 5553-1985 Surface active agents—Textile auxiliaries—Method for determination of water repellency of waterprooting agents—Hydrostatic pressure test
GB/T 5554-1985
Replaced
GB/T 5554-1985 Surface active agents—Textile auxiliaries—method for determination of water repellency of waterprooting agents—Spray test
GB/T 6365-1986
Replaced
GB/T 6365-1986 Surface active agents—Determination of free alkalinity or free acidity—Titrimetric method
GB/T 6369-1986
Replaced