GB/T 34333-2017 in English

SUPERSEDED

Refractory products--Determination by inductively coupled plasma atomic emission spectrometry(ICP-AES)

Issued on:2017-09-29
Implemented on:2018-08-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $310.00
$301.00

Standard No:	GB/T 34333-2017
Document status:	SUPERSEDED
Superseded by:	GB/T 34333-2025 Refractories—Chemical analysis by inductively coupled plasma atomic emission spectrometry（ICP-AES）
Superseded on:	2026-02-01
Title in English:	Refractory products--Determination by inductively coupled plasma atomic emission spectrometry(ICP-AES)
Title in Chinese:	耐火材料电感耦合等离子体原子发射光谱（ICP-AES）分析方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2017-09-29
Implemented on:	2018-08-01
ICS Classification:	81.080-Refractories
Chinese Classification:	Q40-Fireproof material in general
Professional Classification:	GB-National Standard
Related Keywords:	icp-aes detection system siliceous material determination hf-hno3-hclo4 acid dissolution system multi-element determination detection limit optimization refractory products plasma atomic emission spectrometry
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《GB/T 34333-2017耐火材料电感耦合等离子体原子发射光谱（ICP-AES）分析方法》由TC193（全国耐火材料标准化技术委员会）归口，TC193SC3（全国耐火材料标准化技术委员会试验方法分会）执行，主管部门为国家标准化管理委员会。

Introduction

Analysis of the core content of the standard

This standard establishes the ICP-AES detection system for 13 minor and trace components in refractory materials, with a measurement range of 0.1%-15% (mass fraction). Key technical features include:

Multi-element simultaneous detection: capable of simultaneously determining oxides such as SiO₂, Al₂O₃, etc.
Dual pre-treatment methods: acid dissolution method (HF-HClO₄ system) and alkali fusion method (Na₂CO₃-H₃BO₃)
Matrix matching technology: configuring exclusive matrix solutions for different materials

Key parameters of instrument configuration

Equipment type	Technical indicators	Compliance requirements
ICP-AES spectrometer	RF power, atomization pressure and observation height need to be optimized	Argon purity ≥99.999%
Sample melting equipment	Platinum crucible + high temperature furnace	Maximum temperature 1000℃±25℃
Analytical balance	Graduation value 0.1mg	GB/T 12805 Class A

Material classification and detection plan

Key points for siliceous material determination

HF-HNO₃-HClO₄ acid dissolution system is used. Key steps:

Weigh 0.2g sample (accurate to 0.1mg)
Add 3mL HNO₃+10mL HF+5mL HClO₄
After melting, make up to 200mL

Differences between aluminum-silica materials

Standard solutions need to be prepared in groups. Pay special attention to the following:

Group 1: CaO/MgO/Fe₂O₃/TiO₂
Group 2: SiO₂ is measured separately
Add 5mg/mL Al₂O₃ matrix solution

Quality Assurance System

Control Link	Requirements	Period
Working Curve Verification	Deviation ≤ 0.7 times the allowable difference	After each test/maintenance
Standard Solution Update	Temperature change＞10℃ requires re-mixing	No longer than 2 months
Result Acceptance	Judged according to the process in Appendix A	For each batch

Standard Evolution Analysis

Compared with the traditional chemical wet method (GB/T 6901, etc.), the innovation of this standard:

Efficiency improvement: single dissolution can complete multi-element determination
Detection limit optimization: B₂O₃ detection limit reaches 0.01%
Automation degree: reduce human operation errors

Note: special elements (B/P) need to pay attention to the memory effect, and the sampling system needs to be fully flushed before and after the determination

More samples: GB 50021-2001(2009) NB/T 47013.2-2015 JC/T 2453-2018

Sample only — not a preview of GB/T 34333-2017

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