DIN EN 13615-2002 锡铸锭的分析方法.采用原子光谱法对锡等级为99.90%和99.85%的杂质元素含量测定; 德文版本 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; German version EN 13615:2001