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NB/T 11533-2024 English PDF

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US$199.00 · In stock
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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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11533-2024	199	Add to Cart	3 days	Determination of chloride, fluoride, bromide, sulfate, nitrate, nitrite and phosphate in coal mine water - Ion chromatography	Valid

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11533-2024_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11533-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 11533-2024_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11533-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.