GB/T 38731-2020
Surface active agents—Test methods of technical sodium secondary alkylsulphates

Standard No.

GB/T 38731-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 38731-2020

Scope

This standard specifies the pH value, water content, free alkali or free acid, total alkalinity, petroleum ether extractables, alkyl sodium sulfate, sodium sulfate, sodium chloride content and other indicators of secondary alkyl sodium sulfate in the surfactant industry. test method. This standard applies to liquid industrial secondary alkyl sodium sulfate, which does not contain any products not related to the preparation. This standard does not apply to powder or paste products.

GB/T 38731-2020 Referenced Document

• GB/T 11275-2007 Surface active agents.Determination of water content
• GB/T 3050 Inorganic chemical products for industrial use-General method for determination of chloride content-Potentiometric method
• GB/T 3050-2000 Inorganic chemical products for industrial use-General method for determination of chloride content-Potentiometric method
• GB/T 6365 Surface active agents. Determination of free alkalinity or free acidity. Titrimetric method
• GB/T 6365-2006 Surface active agents. Determination of free alkalinity or free acidity. Titrimetric method
• GB/T 6366 Surface active agents.Determination of mineral sulfate content.Titrimetric method
• GB/T 6366-2012 Surface active agents.Determination of mineral sulfate content.Titrimetric method
• GB/T 6368 Surface active agents.Determination of pH of aqueous solution.Potentiometric method
• GB/T 6368-2008 Surface active agents.Determination of pH of aqueous solution.Potentiometric method
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
• GB/T 7378 Surface active agents.Determination of alkalinity.Titrimetric method
• GB/T 7378-2012 Surface active agents.Determination of alkalinity.Titrimetric method
• ISO 4316:1977 Surface active agents; Determination of pH of aqueous solutions; Potentiometric method
• ISO 6227:1982 Chemical products for industrial use; General method for determination of chloride ions; Potentiometric method
• ISO 6844:1983 Surface active agents; Determination of mineral sulfate content; Titrimetric method
• QB/T 2739-2005 Preparations of standard volumetric solutions of general test methods for washing products

GB/T 38731-2020 history

• 2020 GB/T 38731-2020 Surface active agents—Test methods of technical sodium secondary alkylsulphates