Tianyi Zhongke-R3 Microwave Digestion Instrument - Heavy Metal Pretreatment Instrument is an instrument that uses the high-frequency electromagnetic field generated by microwaves to digest the sample matrix, remove interference, and enrich the components to be tested in the sample. Microwave digestion has the characteristics of fast heating, uniform heating, strong digestion ability, low reagent consumption, low blank value, strong versatility, and wide applicability.