GB/T 9104-2022 (English Version) PDF

Standard No.: GB/T 9104-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 9104-2022
Replace: GB/T 9104-2008

Scope: This document describes the test methods for industrial stearic acid, including the determination methods of iodine value, saponification value, acid value, color, freezing point, moisture, inorganic acid, ash content and composition. This document applies to the determination of industrial stearic acid (mainly stearic acid and hexadecanoic acid) produced by hydrolysis of animal fats and vegetable oils and refined by pressing or distillation.

GB/T 9104-2022 Referenced Document

GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
GB/T 6682 Water for analytical laboratory use.Specification and test methods
QB/T 2739-2005 Preparations of standard volumetric solutions of general test methods for washing products

2022 GB/T 9104-2022 Test methods for industrial stearic acids
2008 GB/T 9104-2008 Test methods for industrial stearic acids
1988 GB/T 9104.2-1988 The test methods for industrial stearic acids--Determination of saponification value