Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
can a diamond dissolve in acid ?
Usually standard for cleaning (gem) diamonds in bulk is nitrosulfuric acid followed by HF to frost o ...
11-10-2018 at 06:34
by: Fleaker
Silver Rhodium Separation
I don't know how soluble rhodium is in silver, or vice versa. Check a phase diagram! I seem to recal ...
30-4-2018 at 07:13
by: Fleaker
Making Pinchbeck Brass
Borax glass is usually used as a cover flux for cuprous, gold, silver alloys.

The borax stops a l ...
13-4-2018 at 07:41
by: Fleaker
Making Pinchbeck Brass
I always added the Zn to the Cu when the Cu was molten, then poured it.
11-4-2018 at 03:19
by: Fleaker
Selling Silver Nitrate Profitable
It is not at all photosensitive.

Neither is silver acetate.
1-3-2018 at 11:47
by: Fleaker
Selling Silver Nitrate Profitable
25 kg by ground is the quantity.

I do not think making silver nitrate is a profitable endeavor to ...
27-2-2018 at 10:01
by: Fleaker
Ammonium Tetrachroloroaurate (Water Soluble Noble Metals)
[rquote=505457&tid=80118&author=vmelkon][rquote=505366&tid=80118&author=Fleaker]I me ...
2-2-2018 at 08:55
by: Fleaker
Ammonium Tetrachroloroaurate (Water Soluble Noble Metals)
I mean if dry milling ammonium chloride with gadolinium oxide gives some soluble GdCl3 then I don't ...
30-1-2018 at 13:56
by: Fleaker
Doug's Lab
[rquote=504172&tid=72953&author=Magpie]Polish doesn't matter to me. What I care about is cr ...
25-1-2018 at 12:45
by: Fleaker
Calcinated oxides "reactivation"
For Ta2O5, if dead burnt or overly calcined, it is very slow to react, even under pressure with 70% ...
24-1-2018 at 11:34
by: Fleaker
Buy PdCl2 from Alibaba; Recover Pd; Profit?
I'm not trying to lecture you on the economics, but rather guide you to the reality that people gene ...
24-1-2018 at 11:32
by: Fleaker
New information For UK chemists
I happen to know a gent in the UK that has a business handling high end telecom gear for huge compan ...
13-1-2018 at 19:18
by: Fleaker
Buy PdCl2 from Alibaba; Recover Pd; Profit?
Could just use the search engine--this has been covered before here (by myself).

In any case, you ...
13-1-2018 at 19:06
by: Fleaker
Anyone interested in purchasing rhodium or ruthenium sponge? Your budget is the limit!
I would be willing to distribute smaller quantities to members of pure Ru sponge.

I am in the pro ...
28-11-2017 at 12:10
by: Fleaker
silver nitrate
It is neat! often times it looks like black melt if really crude.

Let's just say I've done a few ...
12-10-2017 at 10:23
by: Fleaker
silver nitrate
[rquote=494014&tid=19193&author=clearly_not_atara]Why would copper be so problematic in silv ...
11-10-2017 at 11:19
by: Fleaker
Where to sell precious metals in non-standard forms?
Should probably edit for clarity:

rinsed the silver chloride free of Pd(II) with dilute (5% w/v H ...
7-10-2017 at 08:09
by: Fleaker
Where to sell precious metals in non-standard forms?
Will happily buy it all off of you.


As for the Pd from hydrogen purification systems--I have ru ...
2-10-2017 at 13:56
by: Fleaker
Eliminating NO2 from HNO3
I have seen RFNA and anhydrous HF cause blistering of FEP bottles that they were stored in from gas ...
1-10-2017 at 12:19
by: Fleaker
Periodic Table Display for my High School
I have some I would like to donate.

What are you still missing?
1-10-2017 at 06:56
by: Fleaker
Eliminating NO2 from HNO3
[rquote=493025&tid=41&author=hissingnoise]Forget H[sub]2[/sub]O[sub]2[/sub] ─ even if you ...
1-10-2017 at 06:45
by: Fleaker
Private forum for discussing patentable ideas?

I think the most helpful thing would be someone who is an actual patent attorney discussing how to ...
25-9-2017 at 12:18
by: Fleaker
Private forum for discussing patentable ideas?
Never talk about something you plan to patent--it's first to file not first to invent!!!


I have ...
25-9-2017 at 10:49
by: Fleaker
Looking for MMO electrode suppliers
I'm not sure if they're friendly. I just know that they make those products.

http://www.waterstar ...
25-9-2017 at 10:47
by: Fleaker
Eliminating NO2 from HNO3
[rquote=492913&tid=41&author=clearly_not_atara][quote]Doing nothing may be the proper action ...
25-9-2017 at 10:45
by: Fleaker
[Next Page]

  Go To Top