PFA digestion tube, also named digestion cup, mainly used in food, disease control, academy of agricultural sciences, medicine, agriculture, forestry, environmental protection, chemical industry, biochemistry and other industries, as well as universities and scientific research departments for soil, blood, urine, nails, food, dairy products, agricultural and sideline products, feed. , sample digestion before chemical analysis of heavy metals, ores, etc. can be matched with analytical instruments such as atomic absorption, atomic fluorescence, ICP-AES and our NJBZH heavy