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Clean ancient coins?
I might try some Northern Song dynasty coins. I have some spares
they are copper 64%, lead 27%, ti ... |
12-10-2016 at 16:49
by: diddi |
HotPlate Repair
I would expect so |
6-10-2016 at 22:55
by: diddi |
Clean ancient coins?
abrasives wear the detail off the coin, so it is fine for non collectable coins, but a no-no otherwi ... |
6-10-2016 at 22:52
by: diddi |
Clean ancient coins?
great! I will give it a try also. |
6-10-2016 at 15:27
by: diddi |
HotPlate Repair
hot plates are a very inefficient heating unit. they heat a large square surface onto which we usua ... |
6-10-2016 at 00:44
by: diddi |
Quantity of plutonium
I might grab a small lump for the collection  |
4-10-2016 at 15:46
by: diddi |
T-Shirt Size (for secret santa)
medium |
2-10-2016 at 22:46
by: diddi |
Bulk acid from batteries (deep cycle, marine & car) - possible contaminates?
I tried that path and it was useless in a chemistry setting. good for cleaning . that's about it |
1-10-2016 at 22:58
by: diddi |
Advice for an Australian chemist.
I use a fridge for solvents that are likely to be volatile work well. down there you could build an ... |
11-9-2016 at 22:48
by: diddi |
Advice for an Australian chemist.
I agree, and their glassware is great too. look at this distillation head I found
[file]530 ... |
11-9-2016 at 00:16
by: diddi |
Advice for an Australian chemist.
wow, we have a Taswegian! I did not realise they had internet there yet. great news |
10-9-2016 at 19:13
by: diddi |
Advice for an Australian chemist.
[rquote=460441&tid=68971&author=j_sum1]Hey! Don't call me an Aussie. I just live here![/rq ... |
10-9-2016 at 19:11
by: diddi |
Advice for an Australian chemist.
j_sum serves em wine and cheese when they visit
glassware is an issue, and there are a lot of ba ... |
8-9-2016 at 04:58
by: diddi |
Truly evil multiple choice question
you are all looking at the value of the answer, not the answer "A","B", "C", "D"
if you think the v ... |
6-9-2016 at 23:10
by: diddi |
What's the most expensive substance you've bought?
kg scale distilled rare earths do the trick when it comes to budget blowing |
4-9-2016 at 00:41
by: diddi |
Why are there two ways to express Acetate?
and that set of rules is a bit hard to use for aromatics in the case of those new to o-chem. every ... |
2-9-2016 at 20:41
by: diddi |
Lanthanide Woes
hard work I would expect. Nd oxalate is highly insoluble, and often used as a route to separating s ... |
29-8-2016 at 00:06
by: diddi |
Chemistry brain teasers! Noob Competition!
I might be able to help j_sum. |
28-8-2016 at 23:38
by: diddi |
Lanthanide Woes
as elementcollector says Pr and Nd along with Ce are major components in mischmetal. if you have pu ... |
28-8-2016 at 00:31
by: diddi |
Copper Acetate from Copper Sulfate
purify your sulfate by precipitating the basic copper carbonate. easy to add a bunch of bicarbonate ... |
27-8-2016 at 04:15
by: diddi |
How to remove rust in few minutes.
I use polyurethane clear coat over the top, or 2-pack depending in the piece I am doing. galvanisin ... |
13-8-2016 at 06:16
by: diddi |
Round Bottom Flask vs Flat Bottom Round ones
I have moved towards FBFs because I don't have a good set of mantles. oil baths work well, but they ... |
11-8-2016 at 17:23
by: diddi |
How to remove rust in few minutes.
yeh the chem is good, but the application you suggested is not ideal. I do woodwork and sometimes i ... |
11-8-2016 at 17:16
by: diddi |
How to remove rust in few minutes.
I cannot imaging that the file would be sharp after having its edge burnt off. It would be ok for c ... |
10-8-2016 at 18:23
by: diddi |
Mercury metal from eBay ?
it is banned in .au as well. maximum permissible holding is 0.1grams |
4-8-2016 at 14:14
by: diddi |
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