NB/T 11260-2023 English PDF

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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
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11260-2023	119	Add to Cart	3 days	Determination of silicon, aluminum, iron, calcium, magnesium, sodium, potassium, phosphorus, titanium and manganese in coal gangue - X-ray fluorescence spectrometric method	Valid

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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

---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.
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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