Tin Electrolytic Refining in the Bath using SnSO&lt;SUB&gt;4&lt;/SUB&gt;-Na&lt;SUB&gt;2&lt;/SUB&gt;SO&lt;SUB&gt;4&lt;/SUB&gt;-H&lt;SUB&gt;2&lt;/SUB&gt;SO&lt;SUB&gt;4&lt;/SUB&gt; System
Nihon Kōgyōkaishi/Nihon Kougyoukaishi