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Expired solvents and reagents
This reminds of a conversation I had in college after I saw a friend of mine with a condom that had ...		 19-11-2011 at 18:25
by: jsc
Obtaining a Decent Balance
Berzelius, probably the best chemist in history along with Davy, used a very simple blade balance th ...		 19-11-2011 at 18:12
by: jsc
Recommendations for drying muds/precipitates?
Hi, looking for suggestions on evaporating precipitates to dryness. I am evaporating masses having s ...		 19-11-2011 at 17:00
by: jsc
Removal of Iron from Manganese
That pic is pure chemical porn. :P 		18-11-2011 at 10:41
by: jsc
Synthesis of HCl (acid) and NaOH through electrolysis of NaCl solution.
Doing this is a pain in the ass. If you are interested in this kind of process go to Google books an ...		 14-11-2011 at 17:41
by: jsc
Chemicals in Mouthwash
Zinc Chloride is widely available commercially. It can be synthesized off the shelf from zinc oxide ...		 14-11-2011 at 17:22
by: jsc
How can I separate a fine precipitate from water?
I have found out that there are several different technologies to do this. In general these devices ...		 24-4-2011 at 18:03
by: jsc
How can I separate a fine precipitate from water?
Follow up to this post.

I ended up just allowing the product to settle. I would add water in the ...		 24-4-2011 at 16:50
by: jsc
Sodium by electrolysis?
How to prepare metallic sodium:

By volume thoroughly mix and grind:

100 parts dessicated sodiu ...		 24-4-2011 at 16:37
by: jsc
Best process controller brand?
Anyone have quality/feature comments on the various brands of process controllers? For example, ther ...		 31-3-2011 at 09:35
by: jsc
How do I measure hydrates?
Hi, I am struggling with dealing with hydrates. A lot of compounds have multiple hydrated forms. For ...		 20-3-2011 at 08:16
by: jsc
Removal of Oxygen & Carbon Dioxide from Air (Glovebox Design)
The main problem you are going to run into is generating enough oxygen-free gas that you can overpre ...		 17-3-2011 at 12:34
by: jsc
How can I separate a fine precipitate from water?
I want to have a pure outcome. Since the supernatant has dissolved NaCl, boiling would result in the ...		 16-3-2011 at 10:56
by: jsc
Heating Flammables in Test Tubes
As Chaoschemist says you will not have gases in the "critical area".

The temperature at the botto ...		 16-3-2011 at 09:44
by: jsc
How can I separate a fine precipitate from water?
Hi, chemistry beginner here. So, I decided to make CaCO3 (chalk) from washing soda (NaCO3) and calci ...		 16-3-2011 at 09:28
by: jsc

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