GB/T 36144-2018 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 36144-2018 | English | 70 |
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Limit on element content of lead, arsenic, cadmium, mercury, fluorine and chlorine in iron ore
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GB/T 36144-2018: Limit on element content of lead, arsenic, cadmium, mercury, fluorine and chlorine in iron ore
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT36144-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 73.060.10
D 31
Limit on element content of lead, arsenic, cadmium,
mercury, fluorine and chlorine in iron ore
Issued on: MAY 14, 2018
Implemented on: APRIL 01, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Requirements for limit ... 5
5 Sampling and sample preparation ... 6
6 Determination methods ... 6
Limit on element content of lead, arsenic, cadmium,
mercury, fluorine and chlorine in iron ore
1 Scope
This Standard specifies the limit on element content of lead, arsenic, cadmium,
mercury, fluorine and chlorine in iron ore, sampling, sample preparation as well
as determination methods.
This Standard is applicable to natural and processed iron ore for steel smelting.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 6730.26, Iron ores - Determination of fluorine content - Thorium nitrate
titrimetric method
GB/T 6730.27, Iron ores - Determination of fluorine content – Lanthanum-
alizarin complexion spectrophotometric method
GB/T 6730.28, Iron ores - Determination of fluorine content - Ion-selective
electrode method
GB/T 6730.42, Iron ores - Determination of lead content - Dithizone
spectrophotometric method
GB/T 6730.45, Iron ores - Determination of arsenic content - Arseno-
molybdenum blue spectrophotometric method after hydrogen arsenide
separation
GB/T 6730.46, Iron ores - Determination of arsenic content - Arseno-
molybdenum blue spectrophotometric method after the distillation separation
GB/T 6730.54, Iron ores - Determination of lead content - Flame atomic
absorption spectrometric method
GB/T 6730.67, Iron ores - Determination of arsenic content - Hydride
generation atomic absorption spectrometric method
GB/T 6730.69, Iron ores - Determination of fluoride and chloride content -
Ion chromatography
GB/T 6730.72, Iron ores - Determination of arsenic, chromium, cadmium,
lead and mercury content - Inductively coupled plasma-mass spectrometry
method (ICP-MS)
GB/T 10322.1, Iron ores - Sampling and sample preparation procedures
GB/T 20565, Iron ores and direct reduced iron - Vocabulary
GB/T 31947, Iron ores - Determination of mercury content - Solid sampling
and direct mercury analysis method
SN/T 2262, Determination of aluminum, arsenic, calcium, copper,
magnesium, manganese, phosphorus, lead, zinc in iron ores. Inductively
coupled plasma atomic emission spectrometry
SN/T 2680, Determination of arsenic mercury cadmium lead bismuth in iron
ores - Atomic fluorescence spectrometric method
SN/T 2765.3, Simultaneous determination of arsenic and mercury content in
iron ores. Microwave-assisted digestion-atomic fluorescence spectrometry
SN/T 2765.4, Determination of arsenic in iron ores for import and export -
Part 4. Hydride generation atomic absorption spectrometric method
SN/T 3004, Determination of Mercury Content in Iron Ores. Microwave
Digestion - Cold Atomic Absorption Spectrophotometry Method
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
20565 apply.
4 Requirements for limit
4.1 The content of lead in iron ore (mass fraction) is not more than 0.60%.
4.2 The content of arsenic (mass fraction) in iron ore is not more than 0.45%.
4.3 The content of cadmium (mass fraction) in iron ore is not more than 0.40%.
4.4 The content of mercury (mass fraction) in iron ore is not more than 0.05%.
4.5 The content of fluorine (mass fraction) in iron ore is not more than 4.50%.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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