Oil-soluble identification agent and its application in fuel oil and fuel oil additives

An oil-soluble, additive technology, applied in the direction of color/spectral characteristic measurement, etc., can solve the problems of poor biological stability of tracers, achieve good chemical and thermal stability, no pollution to the environment, and low error effects

Inactive Publication Date: 2015-10-07
天津悦泰石化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of tracer has poor biological stability. Bactericides must be added when feeding and sampling to prevent concentration changes due to biodegradation

Method used

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  • Oil-soluble identification agent and its application in fuel oil and fuel oil additives
  • Oil-soluble identification agent and its application in fuel oil and fuel oil additives
  • Oil-soluble identification agent and its application in fuel oil and fuel oil additives

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The preparation of embodiment 1 oil-soluble marking agent

[0030]

[0031] The above-mentioned components are mixed to prepare the oil-soluble marking agent of the present invention.

Embodiment 2

[0032] The preparation of embodiment 2 oil-soluble labeling agent

[0033]

[0034]

[0035] The above-mentioned components are mixed to prepare the oil-soluble marking agent of the present invention.

Embodiment 3

[0036] Example 3 Detection of Oil Soluble Marker Content in Fuel or Fuel Additives

[0037] 1. Instruments and reagents:

[0038] Analytical balance, precision 0.001g;

[0039] UV spectrophotometer, capable of measuring the UV absorption peak at 550nm, with a 50mm absorption cell;

[0040] Volumetric flask, 1000mL, 500mL, 100mL, 50mL;

[0041] Pipette.

[0042] All reagents should be of analytical grade.

[0043] 2. Drawing of standard curve

[0044] Take 6 500mL volumetric flasks, take 0uL, 10uL, 25uL, 50uL, 250uL and 500uL of the oil-soluble marking agent of Example 1 and add them respectively, and constant volume with n-heptane to obtain concentrations of 0, 20, 50, 100, 500 and 1000ppm marker standard solutions.

[0045] At a wavelength of 550nm, use a UV spectrophotometer to measure the absorption peak to obtain a standard curve of absorbance and oil-soluble marker content:

[0046] W M =((Es-E B ) / E 50 )*50

[0047] Among them, W M : the content of the marker...

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Abstract

The invention provides an oil-soluble identification agent. The oil-soluble identification agent is prepared by mixing, by mass, 0.01-3% of benzodifuran (C12H8O), 20-50% of Sudan blue, 30-50% of Sudan yellow, and 20-50% of xylene (C8H10), and the sum of mass percentages of above components is 100%. The oil-soluble identification agent can be used for identifying the quality of the fuel oil and the fuel oil additives. The oil-soluble identification agent allows a detection method to be simple, has high stability, and has no influences on the physical and chemical indexes of the fuel oil and the additives.

Description

technical field [0001] The invention relates to an oil-soluble marking agent for marking fuel oil or fuel additive and its application. Background technique [0002] Fuel oil and its additive products need to meet certain technical specifications such as volatility or octane number. It is difficult to judge the quality of the product with the naked eye, and it is impossible to judge the quality of the fuel on site. For some manufacturers who want to get high profits, Often by diluting high-quality products or counterfeiting high-quality product trademarks to obtain more benefits. Substitution of such products, or the mixing of superior products with inferior products, is difficult to manage, and the key ingredients in superior products are often present in such low levels that quantitative analysis to detect dilution is difficult. [0003] The application principle of the marker is the oilfield tracer technology, which is called a tracer in this field, and the purpose of us...

Claims

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Application Information

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IPC IPC(8): G01N21/31
Inventor 钟亮陈雪崔树民朱宗敏张新昌蔺文彪
Owner 天津悦泰石化科技有限公司
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