GB/T 38233-2019 English PDF

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GB/T 38233-2019: Iron-bearing dust and sludge - Determination of lead and zinc content - Inductively coupled plasma atomic emission spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38233-2019	279	Add to Cart	3 days	Iron-bearing dust and sludge - Determination of lead and zinc content - Inductively coupled plasma atomic emission spectrometry	Valid

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Basic data

Standard ID: GB/T 38233-2019 (GB/T38233-2019)
Description (Translated English): Iron-bearing dust and sludge - Determination of lead and zinc content - Inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H34
Classification of International Standard: 77.140.99
Word Count Estimation: 14,116
Date of Issue: 2019-10-18
Date of Implementation: 2020-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38233-2019: Iron-bearing dust and sludge - Determination of lead and zinc content - Inductively coupled plasma atomic emission spectrometry

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Iron-bearing dust and sludge--Determination of lead and zinc content--Inductively coupled plasma atomic emission spectrometry ICS 77.140.99 H34 National Standards of People's Republic of China Determination of lead and zinc in iron-containing dust Inductively coupled plasma atomic emission spectrometry Published on.2019-10-18 2020-02-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted. Zhengzhou Institute of Mineral Resources Comprehensive Utilization, Chinese Academy of Geological Sciences, Shandong Metallurgical Science Research Institute Co., Ltd. State Zongyi Electromechanical Equipment Co., Ltd., Metallurgical Industry Information Standards Institute, Wuyang Iron and Steel Co., Ltd., Hebei Ruisuo Solid Waste Engineering Technology Research Institute Co., Ltd., Hangzhou Xiruidi Technology Co., Ltd. The main drafters of this standard. Gao Xiaofei, Yao Mingxing, Zhang Li, Qiu Jinhui, Ni Wenshan, Chen Shuyun, Gao Hongji, Wang Jiangwei, Zhao Junwei, Wang Linjun, Feng Ansheng, Wu Lijuan, Liu Yan, Zhao Jingjing, Meng Zili, Ren Jiangtao, Wang Xiaojie, Xu Xiufei, Liu Yuxi, Wen Xiaoqing. Determination of lead and zinc in iron-containing dust Inductively coupled plasma atomic emission spectrometry Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies methods for the determination of lead and zinc inductively coupled plasma atomic emission spectroscopy (ICP-AES). This standard applies to the determination of lead and zinc content in iron-containing dust. The measurement range is (mass fraction). Pb, 0.04%~10%; Zn, 0.004%~15%.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods GB/T 6730.1 Preparation of pre-dried samples for iron ore analysis GB/T 10322.1 Iron ore sampling and sample preparation method GB/T 12808 laboratory glass instrument single standard line pipette

3 Principle

The sample is decomposed in a polytetrafluoroethylene crucible with hydrochloric acid, nitric acid, hydrofluoric acid and perchloric acid, and the sample solution is atomized in a nitric acid medium. Introduced by the carrier gas into the argon plasma torch flame, the atoms of the element to be tested are excited to emit a characteristic spectrum, and within a certain range, the elements to be tested in the test solution The concentration is proportional to the intensity of the characteristic line, and the concentration of the element to be tested in the test solution is calculated by measuring the signal intensity of the characteristic line.

4 reagents and materials

Caution - Hydrofluoric acid, perchloric acid, nitric acid are toxic and corrosive. Wear anti-corrosion gloves during operation to prevent contact with skin. 4.1 Argon [φ(Ar) ≥ 99.996%]. 4.2 Water, in line with GB/T 6682, Class III and above water. 4.3 Hydrochloric acid, ρ=1.19g/mL, analytically pure. 4.4 Nitric acid, ρ = 1.42 g/mL, analytically pure. 4.5 Hydrofluoric acid, ρ = 1.15 g/mL, analytically pure. 4.6 Perchloric acid, ρ=1.67g/mL, analytically pure. 4.7 Iron oxide, analytically pure. 4.8 Lead standard stock solution (1000μg/mL) Weigh 1.0000 g of metal lead (purity >99.9%), add 20 mL of water and 20 mL of nitric acid (see 4.4), and dissolve by heating. After cooling, will Transfer the solution to a 1000 mL volumetric flask, dilute to the mark with water, and mix. 1 mL of this solution contained 1000 μg of lead. ......

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