On 7/29/2017 8:54 PM, Danny D. wrote:
> What chemistry is going on here?
> http://i.imgur.com/C6hStFB.jpg
>
> Specifically, why green?
> http://i.imgur.com/A6zmLJM.jpg
>
> The wife loves when I clean the toilets using the patented huckleberry
> method devised by Oren of pouring concentrated pool acid into the tank, so,
> she asked me to clean the pots and pans ("for once").
> http://i.imgur.com/UOjeomJ.jpg
>
> Being a believer in the magic of alchemy, I dutifully pour the HCL:
> blob:http://imgur.com/f7bf8cd4-3abc-49dd-9b7d-16a5ae9c04a0
>
> This muriatic acid bubbles and froths quite reassuringly, as if it's doing
> something useful:
> http://i.imgur.com/EqJPylY.jpg
>
> But the end result is less than spectacular:
> http://i.imgur.com/nmyISVG.jpg
>
> It seems the metal *under* the baked-on crud was worn away, leaving the
> crud!
> http://i.imgur.com/kHCTfCe.jpg
>
> On the inside of the pot, it just seemed to pit the insides like sandpaper:
> http://i.imgur.com/XYnQF0P.jpg
>
> The result of all that hydrochloric acid was a large vase of pretty green
> "something" ... but what is this green something made out of?
> http://i.imgur.com/O5R4g1t.jpg
>
> More importantly, what is my next magic chemical to try?
I'd use spray oven cleaner, but the acid may have already damaged the
surface of the pot.