利用湿法消解样品，精密度好，回收率高，优于干灰化法。
The wet digestion method is better than the dry ash method for its lower RSD and higher recovery rate.
比对结果表明，干法灰化适合于测定虾粉中总砷的含量，湿法消解测定总砷的含量偏低，微波消解不适合测定虾粉中总砷的含量。
The result obtained by using wet digestion was lower than the actual content. Microwave digestion was not suitable for determination of total arsenic in shrimp powder.
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