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本文研究了罗丹明B与硫氰酸钼形成红色络合物的问题,提出了分光光度法直接测定天然水中微量钼的新方法,方法灵敏(_600~ε=1.88×10~5)干扰少,相对标准偏差小于7%。检出限为2ppb。
In this paper, the red complex of rhodamine B and molybdenum thiocyanate was studied. A new spectrophotometric method for direct determination of trace molybdenum in natural water was proposed. The method is sensitive (_600 ~ ε = 1.88 × 10 ~ 5) The relative standard deviation is less than 7%. The detection limit is 2ppb.