UNE-EN 13615:2001 Methods for the analysis of ingot tin - Determination of impurity element contents in tin grades 99,90 % and 99,85 % by atomic spectrometry
2003UNE-EN 13615:2001/AC:2002 Methods for the analysis of ingot tin - Determination of impurity element contents in tin grades 99,90 % and 99,85 % by atomic spectrometry (Endorsed by AENOR in February of 2003.)
2002UNE-EN 13615:2001 Methods for the analysis of ingot tin - Determination of impurity element contents in tin grades 99,90 % and 99,85 % by atomic spectrometry