GB/T 41949-2022 in English

VALID

Particle─Laser particle size analyser─Technical requirements

Issued on:2022-12-30
Implemented on:2023-07-01
File Format:PDF
Delivery:Within 1 day

Price(USD)： $104.00
$101.00

Standard No:	GB/T 41949-2022
Document status:	VALID
Title in English:	Particle─Laser particle size analyser─Technical requirements
Title in Chinese:	颗粒激光粒度分析仪技术要求
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2022-12-30
Implemented on:	2023-07-01
ICS Classification:	19.120-Particle size analysis. sieving
Chinese Classification:	A28-Sieving, Sieve Plate and Sieve Screen
Professional Classification:	GB-National Standard
Related Keywords:	particle─laser particle size different particle size laser particle size analyzer adjacent particle size ratio ≤2 particle analysis system standard formulation background % laboratory laser particle size analyzer accuracy comparison requirements
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《GB/T 41949-2022颗粒激光粒度分析仪技术要求》由TC168（全国颗粒表征与分检及筛网标准化技术委员会）归口，TC168SC1（全国颗粒表征与分检及筛网标准化技术委员会颗粒分会）执行，主管部门为国家标准委。

Introduction

Overview of GB/T41949-2022 Technical Requirements for Laser Particle Size Analyzers

Standard Dimensions	Technical Requirements	Performance Indicators	Scope of Application
Repeatability	Repeat measurement accuracy requirements for different particle size ranges	D50 ≤1μm: ±2%	Laboratory Laser Particle Size Analyzer
Accuracy	Comparison Requirements with Certified Reference Materials	1μm < D50 ≤100μm: ±5%	Wet/Dry Measurement
Resolution	Ability to Identify Multi-peak Distribution	D50 ≤100μm, Adjacent Particle Size Ratio ≤2	Particle Analysis System

Standard Formulation Background and Technology Evolution Analysis

As the core technical tool in the field of particle testing, the development of laser particle size analyzer has evolved from single-point measurement to full-spectrum analysis. In recent years, with the growth of industrial automation and intelligent demand, the market has put forward higher requirements on the performance of instruments, especially in terms of repeatability, accuracy and environmental adaptability.

More samples: JC/T 2453-2018 DL/T 368-2010 QC/T 942-2021

Sample only — not a preview of GB/T 41949-2022

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