10µM arsenite soln from Sodium metaarsenite (NaAsO2) salt, I have got concentration 5000µg/L in AAS compared to As5, why its so high?

Dear all, I have made 10µM arsenite (As3) solution (1 Liter) from Sodium metaarsenite (NaAsO2) salt (KEBOS), molar mass 129.92. I have got concentration apprx 5000µg/L (ppb) in AAS analysis, ...

13 June 2016 3,212 8 View