Detection method of lead content in gasoline
A detection method and technology of lead content, which is applied in the field of detection of lead content in gasoline, can solve the problems of threatening the health of the operator, failure to meet the lower limit of detection, failure to use again, etc., to achieve extended stable storage time, reduce the number of preparations, and avoid pollution effect
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[0023] 1. Prepare the solution
[0024] Use methyl trioctyl ammonium chloride and methyl isobutyl ketone according to conventional methods to prepare a 10% methyl trioctyl ammonium chloride-methyl isobutyl ketone solution; use iodine and toluene to prepare a mass concentration of Iodine-toluene solution with a concentration of 3.0%; glacial acetic acid-methyl isobutyl ketone solution with a mass concentration of 3.0% was prepared with glacial acetic acid and methyl isobutyl ketone.
[0025] 2. Preparation of lead standard solution
[0026] (1) According to the GB / T8020 gasoline lead content determination method, that is, the atomic absorption spectrometry preparation concentration is 1321mgPb / L lead-methyl trioctyl ammonium chloride-methyl isobutyl ketone lead standard solution, diluted to mass with this standard solution The concentration is 264mgPb / L lead-methyl trioctylammonium chloride-methyl isobutyl ketone lead standard solution.
[0027] (2) prepare three kinds of lea...
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