ICS 3000

[aqawwas]

Hii
I am useing ICS 3000 Dionex,
what is the best way to do calibration for bromate

[Markus Laeubli, Metrohm]

There are a couple of norms around e.g. USEPA Method 300.1.
From that method or others you get information how to prepare stock solutions;

"7.3.2 Bromate (BrO3-) 1000 mg/L: Dissolve 0.1180 g of sodium bromate
(NaBrO3, CASRN 7789-38-0) in reagent water and dilute to 100 mL in a
volumetric flask."

These then can be diluted to the concentration required. Better would be to use certified standard solutions if available.

[aqawwas]

Thank you very much