Method for rapidly determining MgO content of light-burned magnesia pellets with X-ray fluorescent sheet melting method
A light-burning magnesium and X-ray technology, applied in measurement devices, material analysis using wave/particle radiation, instruments, etc., can solve the problems of cumbersome operation steps, long analysis time, high operating skills of analysts, and achieve accurate measurement results. , The effect of simplifying steps and improving work efficiency
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[0014] (1) Preparation of fluorescent samples: After mixing light-burned magnesium balls and lithium tetraborate flux, melt samples (using K2 melting furnace to melt) to obtain fluorescent samples; wherein, the melting samples include four stages carried out in sequence, the first The conditions of the first stage include: the temperature is 840-860°C, the time is 1.5-2.5min; the conditions of the second stage include: the temperature is 990-1100°C, the time is 3.5-4.5min; the conditions of the third stage include: the temperature is 1090-1110℃, the time is 2.5-3.5min; the conditions of the fourth stage include: the temperature is 1140-1160℃, the time is 2-3min;
[0015] (2) Using an X-ray fluorescence spectrometer to analyze the Mg element of the fluorescent sample, and test the intensity and content of Mg in the fluorescent sample.
[0016] In a preferred embodiment of the present invention, in order to further improve the accuracy and stability of the measurement, the amoun...
Embodiment 1
[0024] Preparation of fluorescent samples: Mix 1g of light-burned magnesium balls (light-burned magnesium balls need to be burned at 940°C for 1.5h before mixing) and 6g of lithium tetraborate flux for 1min, then add them to a platinum crucible, and add saturated ammonium nitrate solution After the release agent, the sample is fused to obtain a fluorescent sample; wherein, the fused sample includes four stages in sequence, the conditions of the first stage include: the temperature is 840°C, and the time is 1.5min; the conditions of the second stage include: the temperature is 990°C, the time is 3.5min; the conditions of the third stage include: the temperature is 1090°C, the time is 2.5min; the conditions of the fourth stage include: the temperature is 1140°C, the time is 2min; Mg element analysis, testing the intensity and content of Mg in the fluorescent sample. The conditions for using X-ray fluorescence spectrometer to analyze Mg elements on fluorescent samples include: th...
Embodiment 2
[0026] Preparation of fluorescent samples: Mix 1g of light-burned magnesium balls (light-burned magnesium balls need to be burned at 960°C for 2.5h before mixing) and 6g of lithium tetraborate flux for 1min, then add them to a platinum crucible, and add saturated ammonium nitrate solution After the mold release agent, the samples were fused to obtain the fluorescent samples; wherein, the fused samples included four stages in sequence, the conditions of the first stage included: the temperature was 860°C, and the time was 2.5 minutes; the conditions of the second stage included: the temperature was 1100℃, the time is 4.5min; the conditions of the third stage include: the temperature is 1110℃, the time is 3.5min; the conditions of the fourth stage include: the temperature is 1160℃, the time is 3min; Mg element analysis, testing the intensity and content of Mg in the fluorescent sample. The conditions for using X-ray fluorescence spectrometer to analyze Mg elements on fluorescent...
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