GB/T 30921.6-2016
Test method of purified terephthalic acid (PTA) for industrial use.Part 6:Determination of particle size distribution (English Version)

Standard No.: GB/T 30921.6-2016
Language: Chinese, Available in English version
Release Date: 2016
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 30921.6-2016

Scope: This part of GB/T 30921 specifies the air jet sieving method and laser diffraction method for the determination of the particle size distribution of industrial purified terephthalic acid (PTA). The air jet sieving method in this part is applicable to the determination of PTA samples with a particle size distribution ranging from 10 μm to 4 000 μm; the laser diffraction method is applicable to the determination of PTA samples with a particle size distribution ranging from 1 μm to 2 000 μm.

GB/T 30921.6-2016 Referenced Document

GB/T 19077.1 Particle size analysis.Laser diffraction methods.Part 1:General principles
GB/T 3723 Sampling of chemical products for industrial use--Safety in sampling
GB/T 6679 General rules for sampling solid chemical products
GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

2016 GB/T 30921.6-2016 Test method of purified terephthalic acid (PTA) for industrial use.Part 6:Determination of particle size distribution