• British Pharmacopoeia Volume V
  • Appendices
  • Appendix I A. General Reagents

Nitric Acid, Heavy Metal-free
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Nitric Acid, Heavy Metal-free Complies with the requirements prescribed for nitric acid and with the following maximum contents of heavy metals:

As: 0.005 ppm; Cd: 0.005 ppm; Cu: 0.001 ppm; Fe: 0.02 ppm; Hg: 0.002 ppm; Ni: 0.005 ppm; Pb: 0.001 ppm; Zn: 0.01 ppm.