Izvi zvinotevera sumo yenzira dzekuyedza: 1. Tekinoroji yekutarisisa kune inorganic tsvina Ongororo yekusvibiswa kwemvura inotanga neHg, Cd, cyanide, phenol, Cr6+, nezvimwewo, uye mazhinji acho anoyerwa ne spectrophotometry.Sezvo basa rekuchengetedza kwezvakatipoteredza richidzika uye kutarisa sevhisi ...
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