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NB/T 11260-2023: Determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue - X-ray fluorescence spectrometric method
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Determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue - X-ray fluorescence spectrometric method
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NB/T 11260-2023
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Basic data | Standard ID | NB/T 11260-2023 (NB/T11260-2023) | | Description (Translated English) | Determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue - X-ray fluorescence spectrometric method | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | F10 | | Classification of International Standard | 27.010 | | Word Count Estimation | 6,628 | | Date of Issue | 2023-05-26 | | Date of Implementation | 2023-11-26 | | Issuing agency(ies) | National Energy Administration | NB/T 11260-2023: Determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue - X-ray fluorescence spectrometric method
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ICS 27.010
CCSF10
Energy Industry Standards of the People's Republic of China
Silicon, aluminum, iron, calcium, magnesium,
Determination of sodium, potassium, phosphorus, titanium and manganese content
X-ray fluorescence spectrometry
Published on 2023-05-26
Implemented on 2023-11-26
Released by the National Energy Administration
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is proposed by the China Coal Industry Association.
This document is under the jurisdiction of the National Coal Standardization Technical Committee (SAC/TC42).
This document was drafted by. Chongqing Institute of Geology and Mineral Resources, the Fifth Exploration Team of Shandong Provincial Coalfield Geology Bureau, Chongqing Huadi Assets and Environmental Technology Co., Ltd.
Company, Guizhou Provincial Coal Products Quality Supervision and Inspection Institute.
The main drafters of this document. Weng Daiqun, Lu Xiaohai, Ning Shuguang, Li Yanning, Wan Huangqin, Yang Jie, Li Jinping, Su Qian, and Shi Jianhua.
Silicon, aluminum, iron, calcium, magnesium,
Determination of sodium, potassium, phosphorus, titanium and manganese content
X-ray fluorescence spectrometry
1 Scope
This document specifies the summary of methods for the determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue using X-ray fluorescence spectroscopy.
Reagents and materials, instruments and equipment, sample preparation, test procedures, result calculation and expression, method precision.
This document is applicable to the determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese content in coal gangue.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 212 Industrial analysis methods for coal
GB/T 6379.2 Accuracy of measurement methods and results (correctness and precision) Part 2.Determination of repeatability of standard measurement methods
Basic methods of sex and reproducibility
GB/T 6682 Specifications and test methods for water used in analytical laboratories
3 Terms and definitions
There are no terms or definitions to be defined in this document.
4 Method summary
The coal gangue is ashed and then melted with flux to make sample pieces. After the sample is irradiated by primary X-rays, the atoms of the element to be measured emit X-rays
Fluorescence, measuring the X-ray fluorescence intensity of the element to be measured through a detector, based on the quantitative relationship between the X-ray fluorescence intensity and content of the element to be measured
System, apply the calibration curve or appropriate mathematical correction mode to calculate the content of the element to be measured.
5 Reagents and materials
Unless otherwise stated, only reagents confirmed to be of analytical grade or above and grade three or above that comply with GB/T 6682 are used in the analysis.
Distilled water or water of equivalent purity.
5.1 Detector gas. The gas composition is 90% argon and 10% methane, other compositions can also be used.
5.2 Fluxing agent. anhydrous lithium tetraborate and anhydrous lithium metaborate, both of which are excellent grade pure and need to be burned at.200°C for 2 hours before use.
5.3 Oxidizing agent. lithium nitrate.
5.4 Release agent. lithium bromide.
5.5 Standard sample. Commercially available certified standard sample. Including but not limited to certified coal ash, gangue lime composition standard materials or matching the sample matrix
A mixture of pure chemicals.
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