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Calibration Specification for Ultraviolet Fluorescence Sulfur Analyzers
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Basic data
| Standard ID | JJF 1685-2018 (JJF1685-2018) |
| Description (Translated English) | Calibration Specification for Ultraviolet Fluorescence Sulfur Analyzers |
| Sector / Industry | Metrology & Measurement Industry Standard |
| Classification of Chinese Standard | A60 |
| Word Count Estimation | 15,192 |
| Date of Issue | 2018-02-27 |
| Date of Implementation | 2018-05-27 |
| Regulation (derived from) | AQSIQ Announcement No. 26 of 2018 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine |
JJF 1685-2018: Calibration Specification for Ultraviolet Fluorescence Sulfur Analyzers
---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.
(UV fluorescence sulfur analyzer calibration specification)
National Metrology Technical Specification of the People's Republic
UV Fluorescence Analyzer Calibration Specification
Published on.2018-02-27
2018-05-27 implementation
The General Administration of Quality Supervision, Inspection and Quarantine issued
UV Fluorescence Analyzer Calibration Specification
Zers
Focal Point. National Physical and Chemical Metrology Technical Committee
Main drafting unit. Xinjiang Uygur Autonomous Region Metrology and Testing Institute
Heilongjiang Province Metrology Verification Test Institute
Participated in the drafting unit. Shaanxi Institute of Metrology
PetroChina Dushanzi Petrochemical Company
This specification entrusts the National Physical and Chemical Measurement Technical Committee to explain
The main drafters of this specification.
Wang Jinrong (Xinjiang Uygur Autonomous Region Metrology and Testing Institute)
Tayil Slazen (Xinjiang Uygur Autonomous Region Metrology and Testing Institute)
Ding Haiming (Heilongjiang Metrological Testing and Testing Institute)
Participate in the drafters.
Guo Li (Xinjiang Uygur Autonomous Region Metrology and Testing Institute)
Sun Xirong (Shaanxi Institute of Metrology)
Fu Yuzhen (China Petroleum Dushanzi Petrochemical Company)
Wang Wei (China Petroleum Dushanzi Petrochemical Company)
table of Contents
Introduction (II)
1 Scope (1)
2 References (1)
3 Overview (1)
4 Measurement characteristics (1)
5 Calibration conditions (2)
5.1 Environmental conditions (2)
5.2 Calibration Standard (2)
5.3 Other equipment (2)
6 Calibration items and calibration methods (2)
6.1 indication error (2)
6.2 Detection limit (3)
6.3 Measurement repeatability (3)
7 Calibration result expression (4)
8 re-study interval (4)
Appendix A UV Fluorescence Analyzer Calibration Original Record Format (5)
Appendix B Calibration Certificate Page Format (6)
Appendix C Example of Evaluation of Uncertainty of Indication Error Measurement (8)
Introduction
This specification is based on JJF 1001-2011 "General Terms and Definitions of Measurement", JJF 1059.1-2012
The determination and representation of certainty, JJF 1071-2010 "Rules for the preparation of national metrological calibration specifications" was compiled. Editing
In the process, reference is made to SH/T 0689-2000 "Total sulfur content of light hydrocarbons and engine fuels and other oils.
Determination of Methods (UV Fluorescence) and ASTM D5453-2016 "Ultraviolet Fluorescence Method for the Determination of Light Hydrocarbons, Spark Ignition
Test Method for Total Sulfur Content in Engine Fuels, Diesel Engine Fuels and Engine Oils (StandardTest)
MethodforDeterminationofTotalSulfurinLightHydrocarbons,SparkIgnitionEngine
Fuel, DieselEngineFuel, andEngineOilbyUltravioletFluorescence) and other documents
Technical requirements and test methods.
This specification is the first release.
UV Fluorescence Analyzer Calibration Specification
1 Scope
This specification applies to ultraviolet fluorescence analyzers for the determination of total sulfur in light hydrocarbons, engine fuels and other oils.
(hereinafter referred to as the instrument) calibration.
2 reference files
This specification refers to the following documents.
SH/T 0689-2000 Determination of total sulfur content of light hydrocarbons, motor fuels and other oils
Light method)
ASTMD5453-2016 Determination of light hydrocarbons, spark-ignition engine fuels, diesel fuel by UV fluorescence
Test Method for Total Sulfur Content in Engine Fuels and Engine Oils (StandardTestMethodforDeterminationof
TotalSulfurinLightHydrocarbons, SparkIgnitionEngineFuel, DieselEngineFuel,
andEngineOilbyUltravioletFluorescence)
For dated references, only the dated version applies to this specification; any undated quotation
The latest version (including all amendments) applies to this specification.
3 Overview
The instrument is widely used to determine the total sulfur content of petrochemical products such as refined oil, crude oil, distillate oil and petroleum gas.
The measuring principle is as follows. the hydrocarbon sample is directly injected into the cracking tube or the injector, and the sample is sent to the high temperature combustion by the injector.
tube. Under oxygen-rich conditions, the sulfur in the sample is oxidized to form sulfur dioxide gas, which is converted into ultraviolet light by water.
It is excited state. Fluorescence is emitted when sulfur dioxide is returned from the excited state to the ground state, and is detected by a photomultiplier tube.
Sulfur content. The instrument consists of a sample introduction unit, a pyrolysis unit, a drying unit, an ultraviolet light source, a reaction chamber, and a detection unit.
And the display unit composition, as shown in Figure 1.
Figure 1 Structure diagram of the ultraviolet fluorescence analyzer
4 Measurement characteristics
The metering performance of the instrument is shown in Table 1.
...
