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NB/T 11533-2024: Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate in coal mine water - Ion chromatography
Status: Valid
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Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate in coal mine water - Ion chromatography
| Valid |
NB/T 11533-2024
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Basic data | Standard ID | NB/T 11533-2024 (NB/T11533-2024) | | Description (Translated English) | Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate in coal mine water - Ion chromatography | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | D04 | | Classification of International Standard | 13.060.30 | | Word Count Estimation | 9,935 | | Date of Issue | 2024-05-24 | | Date of Implementation | 2024-11-24 | | Issuing agency(ies) | National Energy Administration | NB/T 11533-2024: Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate in coal mine water - Ion chromatography
---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 13.060.30
CCSD04
Energy Industry Standards of the People's Republic of China
Chloride ions, fluoride ions, bromide ions, sulfate ions,
Determination of nitrate, nitrite and phosphate content
Ion chromatography
Released on 2024-05-24
Implementation on November 24, 2024
The National Energy Administration released
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was 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, Shanxi Dibao Coal Comprehensive Testing Center Co., Ltd., Shandong Coalfield Geology Bureau
The Fifth Exploration Team, Chongqing Changshou District Agricultural Product Quality and Safety Center, and Chongqing Huadi Resources and Environmental Technology Co., Ltd.
The main drafters of this document are. Zhang Songhui, Lu Xiaohai, Feng Huijuan, Wang Yan, Xu Zhaolei, Zhang Yan, Li Yanning, Weng Daiqun, Xie Chao, Li Xuemei,
Zhang Tingting, Tian Yong, Xi Pengfei.
Chloride ions, fluoride ions, bromide ions, sulfate ions,
Determination of nitrate, nitrite and phosphate content
Ion chromatography
Warning---Sodium fluoride, sodium nitrite and other chemical reagents used in the test are harmful to human health. Wear safety glasses as required during operation.
Wear protective gear and avoid contact with skin and clothing.
1 Scope
This document specifies the use of ion chromatography to determine the chloride, fluoride, bromide, sulfate, nitrate, nitrite and
Phosphate content.
This document is applicable to the determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate content in coal mine water.
When the injection volume is 25 μL, the method detection limit and determination lower limit of 7 soluble inorganic anions of this method are shown in Table 1.
Table 1 Detection limit and determination limit of the method
Ion name Cl- F- Br- SO42- NO3- NO2- PO43-
Method detection limit/(mg/L) 0.050 0.010 0.030 0.050 0.030 0.030 0.050
Determination limit/(mg/L) 0.200 0.040 0.120 0.200 0.120 0.120 0.200
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 6682 Specifications and test methods for water used in analytical laboratories
3 Terms and definitions
There are no terms or definitions that require definition in this document.
4 Principle
The anions in the sample are separated by exchange on anion chromatography columns and detected by a suppressed conductivity detector. The qualitative analysis is based on the retention time, peak height or peak
Area quantification.
5 Reagents or materials
Unless otherwise specified, only analytically pure reagents were used in the analysis, and the water used was grade 1 water as specified in GB/T 6682 or water of the same grade as
Its purity is equivalent to water.
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