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Measuring method for fluorine, chlorine, sulfur and nitrogen in imported petroleum coke

A determination method, technology of petroleum coke, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of lack of detection methods, etc., and achieve the effect of simple method

Inactive Publication Date: 2017-06-13
NANTONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU OF THE PEOPLES REPUBLIC OF CHINA
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The determination of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke is very important for the inspection and quarantine department of the petroleum import process, and the existing technology lacks effective detection methods

Method used

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  • Measuring method for fluorine, chlorine, sulfur and nitrogen in imported petroleum coke
  • Measuring method for fluorine, chlorine, sulfur and nitrogen in imported petroleum coke
  • Measuring method for fluorine, chlorine, sulfur and nitrogen in imported petroleum coke

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Embodiment Construction

[0051] Instruments and reagents

[0052] Instruments: DIONEX AQUION ion chromatograph (American ThermoFisher) and DIONEX AS-DV automatic sampler (American ThermoFisher), equipped with DIONEX RFC-30 eluent automatic generator and Chromeleon chromatography workstation. Tubular high temperature furnace (Shanghai Institute of Optics and Fine Mechanics); platinum rhodium-platinum thermocouple (American Omega company); pressure reducing valve (Danyang Lester Fluid Products Co., Ltd.); flow meter (Changzhou Tiansheng Thermal Instrument Co., Ltd. Company); 0.22μm microporous cellulose membrane and membrane filtration (Agilent Company, USA); Ultrapure water machine (Milli-Q Company).

[0053] Reagent: F - , Cl - , SO 4 2- , NO 3 - , PO 4 3- Mixed standard solution (100mg / L, 250mg / L, 500mg / L, 500mg / L, 1000mg / L, Germany MERCK company); quartz sand (particle size 0.5mm ~ 1.0mm, Tianjin Komiou Chemical Reagent Co., Ltd.); Oxygen (purity ≥99.999%, Shanghai Chemical Industry Park Pujiang Special...

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Abstract

The invention discloses a measuring method for fluorine, chlorine, sulfur and nitrogen in imported petroleum coke. The measuring method includes the steps of connection assembly sample treatment, sample pretreatment, chromatographic measurement, result calculation and the like. The measuring method is convenient, accurate and efficient.

Description

Technical field [0001] The invention relates to a method for determining fluorine, chlorine, sulfur and nitrogen in imported petroleum coke. Background technique [0002] The determination of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke is very important to the inspection and quarantine department of the petroleum import process, and the existing technology lacks effective detection methods. Summary of the invention [0003] The purpose of the present invention is to provide a simple and accurate method for determining fluorine, chlorine, sulfur and nitrogen in imported petroleum coke. [0004] The technical solution of the present invention is: [0005] A method for determining fluorine, chlorine, sulfur and nitrogen in imported petroleum coke, which is characterized in that it includes the following steps: [0006] (A) Connecting and assembling the sample processing device: The sample processing device includes a platinum rhodium-platinum thermocouple tube type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/96
CPCG01N30/96
Inventor 张爱平王红卫王超颖丁黎李国伟施锦辉江涛张晓冬吕翔窦怀智王爱国
Owner NANTONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU OF THE PEOPLES REPUBLIC OF CHINA
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