Ag can be tricky in HCl because, depending on the concentration of the acid, AgCl can precipitate. I usually use HNO3 which is more stable, but then you need to use reaction/collision cell especially if you have other elements in your solution.

Hi.

What do you want to digest?

Cheers!

I follow.......

Mário Silva solution that has Ag+ and AgNPs

Caterina Dell'Aquila yes I did that, I used concentrated HNO3, thanks for your answer.