This method is the pretreatment method for aquatic products (salmon, squid, clams, etc.). After the sample is crushed, a certain amount is weighed into a polytetrafluoroethylene digestion tank, nitric acid (HNO3) is added, and the WX-4000 microwave rapid digestion system is used for digestion treatment. The method can completely digest samples, with good digestion effect and less interference, and the method is simple in operation and fast in digestion speed, which can greatly shorten the inspection cycle and obtain satisfactory results.
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