HS/T 62-2019 in English

VALID

Determinat ion of copper content in printed circuit board waste and scrap-Wavelength dispersive X-Ray fluorescence spectrometry

Issued on:2019-12-19
Implemented on:2020-06-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $160.00
$156.00

Standard No:	HS/T 62-2019
Document status:	VALID
Title in English:	Determinat ion of copper content in printed circuit board waste and scrap-Wavelength dispersive X-Ray fluorescence spectrometry
Title in Chinese:	印刷电路板（PCB）废碎料中铜含量测定方法--波长色散型X 射线荧光光谱法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2019-12-19
Implemented on:	2020-06-01
ICS Classification:	71.040.50-Physicochemical methods of analysis
Professional Classification:	HS-Customs
Related Keywords:	scrap-wavelength dispersive x-ray fluorescence spectrometry introduction technical background x-ray fluorescence spectrometry wavelength dispersive x-ray fluorescence spectrometer printed circuit board waste copper content
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本标准规定了对PCB 废碎料中铜含量进行定量分析的测试方法。
本标准适用于PCB 废碎料中铜含量的测定，测定范围：10.0 g/100g～56.0 g/100g。

Introduction

Technical Background of the Standard

This standard aims at the demand for resource utilization of electronic waste and establishes a standardized method for determining the copper content in PCB waste using a wavelength dispersive X-ray fluorescence spectrometer. As the global electronic product scrapping volume increases by an average of 8.7% per year, this standard provides key technical support for customs supervision and the recycling industry.

Detailed explanation of the method principle

Processing stage	Equipment requirements	Key parameters	Quality control points
Crushing pretreatment	Crusher (5cm sieve)	Particle size ≤5cm	Sample representativeness
Ignition treatment	Muffle furnace (≥850℃)	775-825℃/10h	Weight loss rate record
Flake preparation	Melt Prototype Machine (≥1150℃)	Li₂B₄O₇:LiBO₂=67:33	Platinum Crucible Cleanliness

Key Technical Points

1. Sample Preparation Process

Use three-level particle size control: primary crushing → ring mill (100 mesh) → ball mill (500r/min), and burn to eliminate organic components, and finally obtain homogeneous glass frit.

2. Standard Curve Establishment

Configure 5 groups of standard frits (CuO content 10%-70%) according to Appendix A to ensure coverage of the 10.0-56.0g/100g measurement range. The typical ratio is as follows:

Components	30%CuO group	50%CuO group
CuO	0.1200g	0.2000g
SiO₂	0.1624g	0.0996g

Implementation Suggestions

1. Instrument calibration

It is recommended to use Bruker S8 TigerStandard conditions: voltage 50 kV, current 214 mA, analytical line CuKβ1 (2θ=40.461°), instrument drift correction was performed regularly using a platinum-gold alloy crucible (95% Pt+5% Au).