Device for measuring zinc in water by virtue of flow injection spectrophotometry and method for measuring zinc in water

摘要: The invention discloses a device for measuring zinc in water by virtue of flow injection spectrophotometry and method water, wherein the has relatively high sensitivity good selectivity can be directly applied to determining trace environmental water. is characterized being composed sample pump (3), buffer solution (5), chelating agent (7), masking column (8), first complexing (10), an eluent (12), enrichment-elution (14), (16), second (18) detection chamber (22), (5) (7) are connected with inlet end (8) use pipelines; (10) (12) outlet (14) three-way valve; (22) (14). also