If we are using this Cd (II) standard 1000 ppm solution (Cd (NO3)2 in 0.1 M HNO3) (Wako Pure Chemical Industries, Ltd., Osaka, Japan)
was diluted with 10 mM sodium citrate buffer (pH 6.0) and used as a one ppm Cd (II) solution.
if we use HCL or NaCl on place of HNO3 (Nitric acid) can we use?