Main uses of atomic absorption spectrometer:Atomic absorption spectrometer can determine a variety of elements, flame atomic absorption spectrometry can be measured to the magnitude of 10-9g/mL, graphite furnace atomic absorption method can be measured to the magnitude of 10-13g/mL. Its hydride generator can be used for microtrace determination of 8 volatile elements such as mercury, arsenic, lead, selenium, tin, tellurium, antimony and germanium.
The routine maintenance of AAS is the responsibility of every analyst. This work can be summed up in the following aspects.The routine maintenance and maintenance of atomic absorption spectrometer is as follows:
1.Hollow cathode lamp lamp window should be kept clean, accidentally contaminated, can be wiped with alcohol cotton.
2.Regularly check whether the gas supply pipeline leakage. When checking, you can apply some soapy water in suspicious places to see if there are bubbles. Do not check air leakage with open fire.
3.In the air compressor supply pipeline, should be installed gas and water separator, often discharge condensate water accumulated in the gas and water separator.
4.Keep the fog room clean and discharge fluid unobstructed.
5.Salt deposits in the seam of the burner will make the flame bifurcate and affect the measurement results. If necessary, it can be washed with water.
6.The determination solution should be filtered or thoroughly clarified to prevent clogging of the nebulizer.
7.Do not touch the lens of the external optical path with your hands.
8. The grating and mirror in the monochromator are mostly coated devices on the surface, which are easy to be contaminated by damp, so the monochromator should be kept sealed and dry.
9.The atomic absorption spectrometer used for a long time, because its internal dust too much sometimes lead to circuit failure; If necessary, the ear ball can be blown clean or brushed with a hair brush.
10.The instrument that is not used for a long time should be kept dry and energized regularly in the wet season.
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