Element

Al

As

Be

Cd

Co

Cr

Cu

Fe

Hg

Mn

Ni

Pb

Se

V

Zn

Wavelength (nm)

396.152

193.696

313.042

214.439

230.786

267.716

327.395

238.204

194.164

257.610

231.604

405.781

206.279

39.310

334.502

Standard (mg/l)

25.0

5.0

5.0

1.5

5.0

5.0

5.0

5.0

0.5

5.0

5.0

5.0

1.5

12.0

5.0