Determination method of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke

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

Inactive Publication Date: 2018-11-06
NANTONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU OF THE PEOPLES REPUBLIC OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Determination method of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke
  • Determination method of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke
  • Determination method of 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 (ThermoFisher, USA) and DIONEX AS-DV autosampler (ThermoFisher, USA), 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 (Omega Corporation, USA); pressure reducing valve (Danyang Leicester Fluid Products Co., Ltd.); flowmeter (Changzhou Tiansheng Thermal Instrument Co., Ltd. company); 0.22 μm microporous cellulose membrane and membrane filtration (Agilent, USA); ultrapure water machine (Milli-Q).

[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 Kemiou Chemical Reagent Co., Ltd.); Oxygen (purity ≥ 99.999%, Shanghai Chemical Industry Zone Pujiang Special Gas Co., Ltd.);...

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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 for the inspection and quarantine department of the petroleum import process, and the existing technology lacks effective detection methods. Contents of the invention [0003] The purpose of the present invention is to provide a simple and accurate method for the determination of fluorine, chlorine, sulfur and nitrogen in imported petroleum coke. [0004] Technical solution of the present invention is: [0005] A method for measuring fluorine, chlorine, sulfur and nitrogen in imported petroleum coke is characterized in that it comprises the following steps: [0006] (A) Connect and assemble the sample processing device: the sample processing device includes a platinum-rhodium-platinum thermocouple t...

Claims

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Application Information

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Patent Type & Authority Patents(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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