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
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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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