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<p>[QUOTE=&quot;Scuba4fun777, post: 4982543, member: 75199&quot;]You can make copper sorbate using a double replacement reaction with CuSO4 and K sorbate. You can also use Na benzoate in place of the sorbate, but the orange/yellow of sodium flame likes to wash out or ‘outshine’ the copper blue - even after rinsing it a few times with distilled water (which we thoroughly discussed in another recent post <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /> ). Any residual potassium (using K sorbate and after a few rinses) may only add a light purple to the flame, which usually won’t detract as much from the blue. </p><p>If you do get that far, a 2:1:7 mix of CuSorbate:Cl donor:KClO4 is the formula I use. It will give a very nice blue from a fountain also, but stars made of this formula are IMO the most beautiful deep blue as the burn falling thru the sky. </p><p><br /></p><p>Ok, you’ve probably figured out my other hobby by now.[/QUOTE]</p><p><br /></p>

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