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<p>[QUOTE=&quot;BadThad, post: 2665805, member: 17261&quot;]I&#039;ve always considered metal-surface reactions as ionic not covalent. Nitrogen is a tricky thing, it does strange things with electrons. [USER=33176]@Kentucky[/USER] is the PhD, I&#039;ll leave it to him to explain lone pairs and pi orbitals. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>BZT can be easily removed from a metallic surface, the pka is like 8. You just have to give a better place to go using some chemistry.[/QUOTE]</p><p><br /></p>

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