GB/T 20424-2025 (GB 20424-2006) PDF English
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The specification for limit on harmful element content of the heavy nonferrous metal concentrates products
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[GB/T 20424-2006] The specification for limit on harmful element content of the heavy metal concentrates products
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GB 20424-2006: PDF in English GB 20424-2006
ICS 77.150.99
H 62
GB
National Standard
of the People's Republic of China
GB 2044-2006
The specification for limit on harmful element
content of the heavy metal concentrates products
ISSUED ON. AUGUST 24, 2006
IMPLEMENTED ON. FEBRUARY 1, 2007
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration Committee of the People's Republic
of China (SAC)
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 6
4 Requirements ... 8
5 Test methods ... 9
6 Inspection Rules ... 10
Foreword
Chapter 4 of this Standard is mandatory, the rest are recommendatory.
Harmful elements such as Pb, Hg, Cd and As in heavy metal concentrate products
seriously affect the environment and personal safety, this Standard is developed to
limit them.
This Standard was proposed by China Nonferrous Metals Industry Association.
This Standard shall be administered by the National Nonferrous Metal
Standardization Technical Committee.
This Standard was drafted by organizations. China Nonferrous Metal Industry
Research Institute of Metrology and Quality, Tongling Nonferrous Metal (Group) Ltd.,
Shuikoushan Nonferrous Metals Co. Ltd., Huludao Nonferrous Metal Group Co., Ltd.,
Shenzhen Lingnan Nonferrous Metal Co., Ltd., Liuzhou China Tin Group Co. Ltd., and
Jinchuan Group Ltd.
The main drafters of this Standard. Fan Shunke, Zhu Yuhua, Yang Lijuan, Sheng
Zhongyi, Tang Aiqun, Fu Yuesheng, Wu Guofa, Luo Peizhen, Lin Xiuying, Zhao
Yongshan, Pu Shaotian, Xie Xuefei, Li Yufeng, and Xue Lixin.
This Standard shall be interpreted by the National Nonferrous Metal Standardization
Technical Committee.
The specification for limit on harmful element content
of the heavy metal concentrates products
1 Scope
This Standard specifies the limit and test method of harmful elements contained in
heavy metal concentrate products.
This Standard applies to heavy metal concentrate products.
2 Normative references
The provisions contained in following documents, through the reference of this
Standard, constitute the provisions of this Standard. For dated references,
subsequent amendments (excluding corrigenda) or revisions do not apply to this
Standard, however, the parties who enter into agreement based on this Standard are
encouraged to study if these latest versions are applicable. For undated references,
the latest versions apply to this Standard.
GB/T 1819.4 Methods for chemical analysis of tin concentrates. Determination
of lead content. Flame atomic absorption spectrometric method and
EDTA titrimetric method
GB/T 1819.5 Methods for chemical analysis of tin concentrates. Determination
of arsenic content. The molybdoantimonyarsenate blue
spectrophotometric method and the distillation - iodimetric titrimetric
method
GB/T 1819.17 Methods for chemical analysis of tin concentrates. Determination
of mercury content. The cold vapor atomic absorption spectrometric
method
GB/T 3884.5 Methods for chemical analysis of copper concentrates - Part 5.
Determination of the amount of fluoride ion selective electrode
method
GB/T 3884.6 Methods for chemical analysis of copper concentrates - Part 6.
Determination of lead, zinc, cadmium and nickel content - Flame
atomic absorption spectrometry method
GB/T 3884.7 Methods for chemical analysis of copper concentrates - Part 7.
Determination of lead content - Na2 EDTA titration method
GB/T 3884.9 Methods for chemical analysis of copper concentrates - Part 9.
Determination of arsenic and bismuth contents - Hydride generation
- atomic fluorescence spectrometry method - The potassium
bromate titration method and the silver diethyl dithiocarbamate
photom
GB/T 3884.11 Methods for chemical analysis of copper concentrates.
Determination of mercury content. Cold atomic absorption
spectrometric method
GB/T 8151.7 Methods for chemical analysis of zinc concentrates - Part7;
Determination of arsenic content - Hydride generation - atomic
fluorescence spectrometry and the potassium bromate titrimetric
method
GB/T 8151.8 Methods for chemical analysis of zinc concentrates - Part 8.
Determination of cadmium content - The flame atomic absorption
spectrometric method
GB/T 8151.15 Methods for chemical analysis of zinc concentrates.
Determination of mercury content. Atomic fluorescence
spectrometry method
GB/T 8152.5 Methods for chemical analysis of zinc concentrates - Part 5.
Determination of lead content - The flame atomic absorption
spectrometric method
GB/T 8152.11 Methods for chemical analysis of zinc concentrates - Part 11.
Determination of antimony content - Hydride generation - atomic
fluorescence spectrometry
YS/T 301 Cobalt concentrates
YS/T 318 Copper concentrate
YS/T 319 Lead concentrate
YS/T 320 Zinc concentrate
YS/T 339 Tin concentrate
YS/T 340 Nickel concentrate
YS/T 452 Lead and zinc bulk concentrate
YS/T 461.4 The methods for chemical analysis of lead and zinc mixed
concentrates - The determination of arsenic content - The iodimetric
method
YS/T 461.6 The methods for chemical analysis of lead and zinc bulk
concentrates - The determination of mercury content - The atomic
fluorescence spectrometry method
YS/T 461.7 The methods for chemical analysis of lead and zinc bulk
concentrates - The determination of cadmium content - The atomic
absorption method
YS/T 472.1 Methods for chemical analysis of nickel concentrates and cobalt
sulfide concentrates - Determination of cadmium content - Flame
atomic absorption spectrometry
YS/T 472.3 Methods for chemical analysis of nickel concentrates and cobalt
sulfide concentrates - Determination of mercury content - Hydride
generation - atomic fluorescence spectrometry
YS/T 472.4 Methods for chemical analysis of nickel concentrates and cobalt
sulfide concentrates - Determination of lead content - Flame atomic
absorption spectrometry
YS/T 472.5 Methods for chemical analysis of nickel concentrates and cobalt
sulfide concentrates - Determination of arsenic content - Hydride
generation - atomic fluorescence spectrometry
3 Terms and definitions
The following terms and definitions apply to this Standard.
3.1 Heavy metal concentrates
It is a general term for heavy metal concentrates in non-ferrous metal. It generally
includes copper concentrate, lead concentrate, zinc concentrate, lead and zinc bulk
concentrate, tin concentrate, nickel concentrate, cobalt-sulphur concentrate and so
on.
3.2 Harmful element
The elements which have significant toxicity to the human body, and cause obvious
pollution to environment, such as Pb, Hg, Cd, As and the like.
3.3 Copper concentrate
The concentrate product of copper ore which is processed through flotation or other
methods, contains not less than 13% of copper, and is used for copper smelting.
3.4 Lead concentrate
The concentrate product of lead ore which is processed through flotation or other
methods, contains not less than 45% of lead, particle size is not greater than 150μm
(there is no size requirement for high-grade galena ore), and is used for lead smelting.
3.5 Zinc concentrate
The concentrate product of zinc ore which is processed through flotation or other
methods, contains not less than 45% of zinc, particle size is not greater than 150μm,
and is used for zinc smelting.
3.6 Lead and zinc bulk concentrate
The concentrate product of lead-zinc ore which is processed through flotation or other
methods, contains not less than 14% of lead and 28% of zinc, or contains not less
than 45% of lead and zinc in total, particle size is not greater than 150μm, and is used
for lead-zinc smelting.
3.7 Tin concentrate
The concentrate product of tin ore which is processed through flotation or other
methods, contains not less than 40% of tin, particle size is not greater than 150μm,
and is used for tin smelting.
3.8 Nickel concentrate
The concentrate product of nickel ore which is processed through flotation or other
methods, contains not less than 3% of nickel, and is used for nickel smelting.
3.9 Cobalt-sulphur concentrate
319, YS/T 320, YS/T 452, YS/T 339, YS/T 340, and YS/T 301.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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