UNE-EN 12441-7:2004 Zinc and zinc alloys - Chemical analysis - Part 7: Determination of tin - Flame atomic absorption spectrometric method after extraction (Endorsed by AENOR in March of 2005.)
2005UNE-EN 12441-7:2004 Zinc and zinc alloys - Chemical analysis - Part 7: Determination of tin - Flame atomic absorption spectrometric method after extraction (Endorsed by AENOR in March of 2005.)