GB/T 37167-2018 in English

VALID

Particle—Separation and measurement of trace magnetic materials(elements)in inorganic powder

Issued on:2018-12-28
Implemented on:2019-03-01
File Format:PDF
Delivery:Within 1 day

Price(USD)： $176.00
$171.00

Standard No:	GB/T 37167-2018
Document status:	VALID
Title in English:	Particle—Separation and measurement of trace magnetic materials(elements)in inorganic powder
Title in Chinese:	颗粒无机粉体中微量和痕量磁性物质分离与测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2018-12-28
Implemented on:	2019-03-01
ICS Classification:	19.120-Particle size analysis. sieving
Chinese Classification:	A28-Sieving, Sieve Plate and Sieve Screen
Professional Classification:	GB-National Standard
Related Keywords:	magnetic substances steps detailed description magnetic bar preparation magnetic materials magnetic impurities magnetic bar magnetic impurities case analysis
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《GB/T 37167-2018颗粒无机粉体中微量和痕量磁性物质分离与测定》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化管理委员会。

Introduction

GB/T 37167—2018 Standard Interpretation

1. Standard Scope and Applicability

This standard is applicable to the determination of trace magnetic impurities in inorganic powders with a particle size not greater than $60~\mu\mathrm{m}$.

2. Separation and Extraction of Magnetic Substances

Steps	Detailed Description
Magnetic Bar Preparation	Put the magnetic bar into a conical flask, add concentrated hydrochloric acid and heat to boiling, cool and clean it for later use.
Sample treatment	Weigh an appropriate amount of sample and place it in a sample jar, add a magnetic bar and dispersion medium, and shake to mix for 30-60 minutes.

3. Determination of magnetic impurities

Case analysis:Testing of magnetic impurities in lithium iron phosphate.

Weigh $200.30~\mathrm{g}$ lithium iron phosphate sample and separate the magnetic impurities.
After dissolution, use ICP-AES to determine the content of Cr, Mn, Fe, Co, Ni, and Zn elements.

More samples: NB/T 47013.2-2015 JGJ 94-2008 DL/T 368-2010

Sample only — not a preview of GB/T 37167-2018

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