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Identification of a mystery metal
Thioacetamide could be used to generate S-- in situ, to not have to deal with gaseous H2S or a gener ... |
1-5-2019 at 08:29
by: Ubya |
Identification of a mystery metal
If you were able to scrape it easily it's not SS.
To know exactly what alloy is you must do some we ... |
1-5-2019 at 06:08
by: Ubya |
From $40 a vial in 2000 to nearly $39,000 today
How can they think anyone can afford to pay 39k for a vial?
Just stop selling it would be easier |
30-4-2019 at 13:51
by: Ubya |
Gold is dissolving in hot HCl + H2O2 solution
You are using hydrogen peroxide too concentrated, you are loosing most of it by decomposition (high ... |
29-4-2019 at 11:17
by: Ubya |
Ethanol + Urea --> Ethyl carbamate?
i can't find any infos apart from "ethyl carbamate is made by heating ethanol and urea together", so ... |
26-4-2019 at 14:29
by: Ubya |
Dehydratation of FeO(OH) and CaSO4
most ferric oxide produced with wet chemistry is black. look at nurdrage's video on the preparation ... |
25-4-2019 at 01:09
by: Ubya |
Type-k ptfe-coated thermocouples?
you can find out by asking the seller, this way you can be sure 100%.
for the reason why the last t ... |
24-4-2019 at 07:16
by: Ubya |
Odd precipitate in solution from dissolving gold pins from computer scrap
the white/gray precipitate could easily be lead and/or silver chloride |
22-4-2019 at 08:55
by: Ubya |
Sourcing metals
some pencil sharpeners are made out of magnesium, it's usually written on it, if not you could test ... |
20-4-2019 at 12:07
by: Ubya |
Removal of Trace H202 from Sulfuric Acid
[rquote=609526&tid=148532&author=Assured Fish]Just heat it up you crazy bastards, H2SO5 deco ... |
20-4-2019 at 05:07
by: Ubya |
Sodium metal through ion glass migration
[rquote=609048&tid=148098&author=WGTR]Sodium has a lower density in the liquid state, so I g ... |
19-4-2019 at 02:41
by: Ubya |
Notre Dame Smoke
DrP everyone has tge right to decide where to spend their money. some rich guy decided to donate 100 ... |
16-4-2019 at 05:44
by: Ubya |
Open source hardware projects
[rquote=608612&tid=148000&author=brubei]Hello, i have some idea for you.
I am an organic ... |
14-4-2019 at 17:32
by: Ubya |
Open source hardware projects
i'm a chemistry student, i don't have a professional background in anything, i just like building st ... |
14-4-2019 at 11:36
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
[rquote=608493&tid=146675&author=DrScrabs]
Iodine from NaI + KHSO5, molten under H2SO4, f ... |
13-4-2019 at 08:42
by: Ubya |
high temprerature seal up to 900 celsius
[rquote=608386&tid=147537&author=monolithic]How are you getting steam to 900C unless you're ... |
12-4-2019 at 10:02
by: Ubya |
The Colors of Uranium
[rquote=608350&tid=147779&author=Deathunter88]Autunite in my opinion is still the best and c ... |
12-4-2019 at 00:08
by: Ubya |
Really into chemistry (Japanese teen yellowcake article)
That's one reason for why it is hard and expensive to get or sell some uranium, people always think ... |
12-4-2019 at 00:05
by: Ubya |
formula for calculating amount of compressed gas
[rquote=608317&tid=147786&author=CharlieA]Doesn't it say in the original post that each gas ... |
11-4-2019 at 15:48
by: Ubya |
The Colors of Uranium
[rquote=608274&tid=147779&author=fusso]So if lower demand means lower price why isn't this t ... |
11-4-2019 at 08:28
by: Ubya |
The Colors of Uranium
i don't know how to be clearer.
yes, in theory for the same mass uranium oxide should be cheaper th ... |
11-4-2019 at 07:03
by: Ubya |
formula for calculating amount of compressed gas
[quote]
The general equation of state of an
ideal gas that is used in partial pressure mixing, ... |
11-4-2019 at 01:59
by: Ubya |
Digital pocket scale problem
I bet it's the calibration setting, there are only 3 buttons so try everything. To enter calibration ... |
11-4-2019 at 01:51
by: Ubya |
The Colors of Uranium
uranyl nitrate 394 g/mol (60% pure U)
uranyl acetate dihydrate 424g/mol (56% pure U)
each one has ... |
11-4-2019 at 01:02
by: Ubya |
The Colors of Uranium
[rquote=608194&tid=147779&author=fusso]What's the cheapest U compound (per g of U, not the w ... |
11-4-2019 at 00:18
by: Ubya |
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