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Explore the quality of direct reading spectrometers

Release time: 2020-01-08 11:59:39 Click: 388

一直在拉近 The direct reading spectrometer appeared relatively late, but because of its advantages of full element analysis, many domestic manufacturers need this instrument for analysis. This technology has been drawing closer from abroad to China . 年,国外开始出现 CCD 全谱直读光谱仪, 08 年国内开始有厂家试产基于 CCD 的全谱分析仪器。 In 2000 , CCD full-spectrum direct-reading spectrometers began to appear abroad . In 2008 , domestic manufacturers began trial production of CCD- based full-spectrum analysis instruments. 8 年的差距。 By this time, there was only a gap of 8 years between domestic and foreign spectrometer technology .

探寻直读光谱仪制作曲线好坏

Explore the quality of direct reading spectrometers

There are many reasons why direct-reading spectrometers produced by different manufacturers are very different. There are many reasons for the quality of the device. Many domestic devices of the analytical instrument cannot be replaced because of the technical difficulty, and the core devices still need to use foreign devices. CMOS 的时代,非常短暂,目前很多企业都在转向 CMOS 的直读光谱仪的研究。 But the era from CCD to CMOS is very short. At present, many companies are turning to CMOS direct reading spectrometer research.

After the working curve is completed, the difference between the measured value and the true value of the standard sample of the working curve, the smaller the deviation, the success of the working curve is proved.

x 荧光、ICP不同,不需要本人动手去扣除干扰和背景,仪器在厂家预制曲线的时候,已经把干扰、背景等影响因素通过干扰校正系数进行扣除了。 In addition to the quality of the device, direct reading is different from x- fluorescence and IC. I do not need to manually subtract the interference and background. When the instrument prefabricates the manufacturer, the interference, background and other influencing factors have been subtracted by the interference correction coefficient. If you want to know what elements are interfering with which elements, you can view them in the instrument's setup parameters.Its coefficients are all empirical coefficients, which are obtained through a large amount of experimental data . These experimental data are also the foundation of analytical instrument companies. They are piled up with countless standard samples and tests. Many times, manufacturers know how to debug the instrument.
The maintenance of the direct-reading spectrometer is actually very simple. Clean the impurities generated by multiple excitations so that they do not affect the test. 2. 清理火花台; 3. 更换电极; 4. 擦拭透镜或石英窗。 1. Change the argon gas; 2. Clean the spark table; 3. Replace the electrodes; 4. Wipe the lens or quartz window. 偶遇长时间停电。 5. Occasionally long power outages. , 做一下描迹 , 然后再做曲线 , 注意选用合适的标准化试样 , 这样做出来的曲线应该没有问题 , 如果线性很好 , 但有系统偏差的话 , 可以通过修正系数达到好的效果 .Before making the curve, the instrument's excitation table should be thoroughly cleaned , make a trace , and then make the curve . Pay attention to the use of a suitable standardized sample . The resulting curve should have no problems . If the linearity is good but there is a systematic deviation , Good results can be achieved by modifying the coefficients .

Above, can achieve relatively good results, get very good direct-reading spectrometer curve.

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hot key words:

Direct Reading Spectrometer

High frequency infrared carbon and sulfur analyzer

Spark direct reading spectrometer

Portable spectrometer

Photoelectric direct reading spectrum analyzer


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