Standard No.:	GB/T 30921.6-2025
English Name:	Test methods of purified terephthalic acid(PTA) for industrial use—Part 6:Determination of particle size distribution
Chinese Name:	工业用精对苯二甲酸（PTA）试验方法 第6部分：粒度分布的测定
Chinese Classification:	G16    Basic organic chemicals
Professional Classification:	GB    National Standard
ICS Classification:	71.080.40 71.080.40    Organic acids 71.080.40
Source Content Issued by:	SAMR;SAC
Issued on:	2025-12-02
Implemented on:	2026-7-1
Status:	valid
Superseding:	GB/T 30921.6-2016 Test method of purified terephthalic acid (PTA) for industrial use—Part 6: Determination of particle size distribution
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	225.0
Delivery:	via email in 1~3 business day

本文件描述了工业用精对苯二甲酸（PTA)粒度分布测定的空气喷射筛分法、激光衍射法和动态图像法。本文件的适用范围如下：——空气喷射筛分法适用于粒度分布范围在10 μm～4 000 μm PTA样品的测定；——激光衍射法适用于粒度分布范围在1 μm～2 000 μm PTA样品的测定；——动态图像法适用于粒度分布范围在0.8 μm～5 000 μm PTA样品的测定。