This standard specifies the pH value, water content, free alkali or free acid, total alkalinity, petroleum ether extractables, ether extractables after acid hydrolysis (mixed industrial fatty alcohols) ), sodium sulfate, sodium chloride content and other indicators of testing methods. This standard applies to the testing and evaluation of powdery, slurry and liquid (aqueous solution) industrial sodium primary alkyl sulfates (excluding any products not related to the preparation).
GB/T 38729-2020 Referenced Document
GB/T 11275 Surface active agents.Determination of water content
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
GB/T 8447-2008 Industrial linear alkylbenzene sulfonic acid
ISO 4314 Surface active agents; Determination of free alkalinity or free acidity; 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 38729-2020 history
2020GB/T 38729-2020 Surface active agents—Test methods of technical sodium primary alkylsulphates