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SN/T 4570-2016: Determination of chlorine and bromine content in petroleum and related products--Wavelength-dispersive X-ray fluorescence spectrometry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4570-2016 | English | 229 |
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Determination of chlorine and bromine content in petroleum and related products--Wavelength-dispersive X-ray fluorescence spectrometry
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SN/T 4570-2016
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Basic data | Standard ID | SN/T 4570-2016 (SN/T4570-2016) | | Description (Translated English) | Determination of chlorine and bromine content in petroleum and related products--Wavelength-dispersive X-ray fluorescence spectrometry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | E30 | | Word Count Estimation | 10,199 | | Date of Issue | 2016-08-23 | | Date of Implementation | 2017-03-01 | | Regulation (derived from) | State-Quality-Inspection-Certification (2016)438 | | Issuing agency(ies) | General Administration of Customs | SN/T 4570-2016: Determination of chlorine and bromine content in petroleum and related products--Wavelength-dispersive X-ray fluorescence spectrometry
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Determination of chlorine and bromine content in petroleum and related products--Wavelength-dispersive X-ray fluorescence spectrometry
China's entry-exit inspection and quarantine industry standards
Determination of chlorine and bromine content in petroleum and petroleum products
Wavelength Dispersion X Fluorescence Spectrometry
Spectrometry
(ISO 15597.2001(E), MOD)
Published on.2016-08-23
2017-03-01 Implementation
China
The State Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is modified to adopt ISO 15597.2001(E) "Determination of chlorine and bromine content in petroleum and petroleum products Wavelength dispersive X-ray fluorescence
Optical Spectroscopy.
For ease of use, this standard makes the following editorial changes to ISO 15597.2001(E).
--- Delete the International Standard Preface;
---Replace the ISO 3170 in the reference document with the national standard GB/T 4756, and replace ISO 3171 with the national standard GB/T 27867.
Replace ISO 4259 with national standard GB/T 6683.
Please note that some of the contents of this document may involve patents. The issuing agency of this document does not assume responsibility for identifying these patents.
This standard is proposed and managed by the National Certification and Accreditation Regulatory Commission.
Drafters of this standard. People's Republic of China Xinjiang Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Ningbo Entry-Exit Inspection Inspection
Epidemic Bureau, Liaoning Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China.
The main drafters of this standard. Zhang Jinlong, Wang Qunwei, Wang Hao, Wang Dong, Suo Jinling, Wu Jianguo, Xu Yingjie.
Determination of chlorine and bromine content in petroleum and petroleum products
Wavelength Dispersion X Fluorescence Spectrometry
1 Scope
This standard specifies additives for liquid petroleum products, synthetic oils and fluids, petroleum products (including used oils)
Wavelength Dispersive X-Ray Fluorescence Spectrometry of Chlorine and Bromine in Organic Solvents Containing Known Chlorine and Bromine Contents.
This standard applies to liquid petroleum products, synthetic oils and fluids, petroleum products (including used oils) additives (both soluble and free
Determination of chlorine and bromine in organic solvents containing known chlorine and bromine content. The scope of determination of this method. the mass fraction of chlorine is 0.0005%~
0.1000%, bromine mass fraction 0.0010% ~ 0.1000%. Although the mass fraction of lead greater than 0.1500% can cause interference, it
His elements generally do not interfere (see note 2).
Note 1. The unit % in this method is used to indicate the mass fraction of a substance.
Note 2. Since the lubricant may contain high concentrations of a wide range of interference elements, it is easy to produce special problems. But for used lubricants, even if it is
With the situation described in the last paragraph of 9.3, the lowest sensitivity can reach 0.0050%.
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 version (including all amendments) applies to this document.
GB/T 4756-1998 Petroleum liquid manual sampling method (ISO 3170.1988, MOD)
GB/T 6683-1997 Method for determination of accuracy of petroleum product test methods (ISO 4259.1992, NEQ)
GB/T 27867-2011 Petroleum liquid pipeline automatic sampling method (ISO 3171.1988, IDT)
3 Method summary
The test sample and the internal standard solution of ytterbium were mixed at a certain mass ratio, and X-ray fluorescence was applied to the cup to determine the chlorine Kα line.
(0.4729nm) and 铋Mβ line (0.4909nm) and chlorine background line (0.4807nm) count rate, bromine Kα line (0.1041nm) and
The count rate of the 铋Lα line (0.1144 nm) and the bromine background line (0.1085 nm) is calculated by subtracting the ratio of the net counting rate of chlorine and bromine. according to
The calibration curve established for the chlorine or bromine reference material determines the chlorine or bromine content of the sample.
4 Reagents and materials
Unless otherwise indicated, only analytical reagents were used.
4.1 Ruthenium compounds, triphenyl sulfonium.
4.2 Isooctanoic acid.
4.3 Refined white oil (light paraffin oil), up to 1 mg/kg sulfur.
4.4 Chlorine compounds, chlorooctane or other oil-soluble compounds known to contain chlorine for the configuration of major standards. Chlorine content should be accurate
0.01%.
4.5 Bromo compounds, 1,1,2,2-tetrabromoethane or other oil-soluble compounds with known bromine content, used to configure major standards. Bromine content
Should be accurate to 0.01%.
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