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Fluorescence of a plastic spoon
According to the resin identification code it is made of polystyrene, maybe the dye is a rhodamine?
... |
6-7-2013 at 11:16
by: DutchChemistryBox |
Fluorescence of a plastic spoon
I was working on building my lab, my workbench was just painted, so I decided to get an ice-cream.
... |
6-7-2013 at 02:17
by: DutchChemistryBox |
Don't think to difficult
It is not really necessary to have KvK number to get reagents and lab supplies/equipment.
There a ... |
2-7-2013 at 13:11
by: DutchChemistryBox |
Obtaining chemicals in the Netherlands
[rquote=290451&tid=24887&author=prof_genius][rquote=290444&tid=24887&author=Tsjerk]G ... |
2-7-2013 at 11:15
by: DutchChemistryBox |
Glassware post!
The glassware on the last picture is indeed for leading gases into liquids. At least, that is what i ... |
9-6-2013 at 12:07
by: DutchChemistryBox |
Glassware - whats this again?
I thought it would be a little useless to make a new topic about my glassware, so I'll ask it here.
... |
9-6-2013 at 11:54
by: DutchChemistryBox |
German chemical/glassware stores
[rquote=285214&tid=17290&author=ZeroHour]You can get glassware for a reasonable price from l ... |
21-5-2013 at 23:23
by: DutchChemistryBox |
Help for the battle of the batteries
No unfortunately not  .
The most of the teams didn't get any higher than 10 volt.
But one te ... |
16-4-2013 at 09:24
by: DutchChemistryBox |
Help for the battle of the batteries
The battle was today, I did something totally different.
I've made a lot of mini galvanic cells i ... |
16-4-2013 at 09:17
by: DutchChemistryBox |
Volume and concentration calculations
[rquote=280228&tid=23918&author=Vargouille]You must use density because 33% means 33 g HCl p ... |
7-4-2013 at 11:35
by: DutchChemistryBox |
Quick silver sulfide
@Cheddite Cheese:
I didn't thought about the fact that S[sup]2-[/sup] is such a strong base.
@Si ... |
7-4-2013 at 10:27
by: DutchChemistryBox |
Volume and concentration calculations
The density of the acid solutions:
ρ[sub](20°C 33%)[/sub]=1.1642g/ml
ρ[sub](20Â ... |
7-4-2013 at 09:42
by: DutchChemistryBox |
Quick silver sulfide
Maybe you could make a solution of K2S or Na2S.
And then electrolyse it with the silver in the solu ... |
6-4-2013 at 11:24
by: DutchChemistryBox |
Help for the battle of the batteries
Thank you guys for the information!
Now I'm ready to battle
@Glucose Oxidase
Bad enough ... |
6-4-2013 at 10:32
by: DutchChemistryBox |
Help for the battle of the batteries
We use 3M KCl as salt bridge. Is it an option to use the same solution for the half-cell with the Mg ... |
4-4-2013 at 11:56
by: DutchChemistryBox |
Help for the battle of the batteries
I think that I am going to make te battery with magnesium and copper.
V=V(copper) - V(magnesium) ... |
4-4-2013 at 10:47
by: DutchChemistryBox |
Azeotropic Ethanol Acetone
Theoretically, I would say yes.
I guess the aceton wil stick to the water and evaporate together ... |
3-4-2013 at 07:33
by: DutchChemistryBox |
Help for the battle of the batteries
Thanks for the reactions!
Today I was in the lab for some tests, so I quickly build the battery whi ... |
3-4-2013 at 06:32
by: DutchChemistryBox |
Help for the battle of the batteries
Hello people!
Since I'm quite new on the forum i am not sure or i post this in the right area.
I ... |
2-4-2013 at 10:39
by: DutchChemistryBox |
How are blood hormone levels tested?
There are a lot of methods for that.
For example:
Making a coordination complex with the hormone ... |
24-3-2013 at 06:46
by: DutchChemistryBox |
Acetic Acid and Sodium Chloride
Maybe i'm stupid, but HCl is a strong acid.
So it has a Ka greater than 1.
So the conjugated bas ... |
24-3-2013 at 06:15
by: DutchChemistryBox |
