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通过四氯汞钾溶液和甲醛缓冲吸收液对二氧化硫的不同吸收比较,指出用甲醛缓冲吸收液测定二氧化硫的可行性。
By comparing the different absorption of sulfur dioxide by tetrachloromer, mercury and potassium absorption solution and formaldehyde buffer absorption solution, the feasibility of measuring sulfur dioxide with formaldehyde buffer absorption solution is pointed out.