GB/T 20405.1-2006
Urine-absorbing aids for incontinence.Test methods for characterizing Polymer-based absorbent materials.Part 1:Determination of pH (English Version)

Standard No.: GB/T 20405.1-2006
Language: Chinese, Available in English version
Release Date: 2006
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2024-06
Replace By: GB/T 20405.1-2023
Latest: GB/T 20405.1-2023

Scope: This part of GB/T 20405 specifies a method for the determination of the pH value of polyacrylate (PA) super absorbent powders. This part is applicable to the test of the pH value of a polyacrylate superabsorbent powder in the range of pH5.92~pH6.14 (see Appendix A).

GB/T 20405.1-2006 Referenced Document

ISO 187 Paper, board and pulps; standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples*， 2022-01-01 Update
ISO 3696 Water for analytical laboratory use; Specification and test methods
ISO 5725-2 Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method*， 2019-12-06 Update

2023 GB/T 20405.1-2023 Urine absorbent polyacrylate super absorbent powder for incontinence Part 1: Method for determination of pH value
2006 GB/T 20405.1-2006 Urine-absorbing aids for incontinence.Test methods for characterizing Polymer-based absorbent materials.Part 1:Determination of pH