Lila Black said:I actually have a lot of questions, many of them are not appropriate for this forum.
I did however think of a few questions that maybe you guys could help me answer that i'm having a hard time finding the answers for.
1. has anyone ever smelted a gold drop from oxalic acid and used anything less than an oxy acteylene or oxy propane torch? and if so did it melt and what did it look like? black brown etc?
2. what type of gold or rather what is the chemical sign for the type of gold that is dropped with oxalic acid
3. has anyone ever seen gold sulfide look kinda black? or does it always look like a grey powder?
Thank you so much in advance!
But I do not love to melt without oxygen.
Lila Black said:So Topher you are saying it is indeed elemental gold that is precipitated out?
yes, I could be wrong, but I'm pretty sure its metallic gold, finely divided
then why does it look not so yellow?
what does it look like? Pictures help a LOT
is it something to do with it's particle size in this case?
maybe? Maybe not, a picture would help so we're on the same page. But, gold powder can be anywhere from black, to brown, to light tan, and anywhere in between.
also what is it about having to heat it to get it to precipitate that blond ish tan color, as i found that when you don't apply enough heat it strangely comes out whiter looking.
heat helps facilitate the reduction of gold with oxalic acid, one book I have says it can be precipitated cold, but will take forever and a day. ...I'm just guessing here, but, Id bet the "white" is either the oxalic crystalizing out of the saturated solution that has cooled, or maybe silver chloride, or maybe I am way way off.
it is an intriguing substance indeed I fail to completely understand.
gold? Yes, Intriguing indeed. And beautiful in so many ways beyond its shimmer and shine.
Lila Black said:I don't need help with refining
I need help with colloid from gold III
So Topher you are saying it is indeed elemental gold that is precipitated out? then why does it look not so yellow?