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Bras ,batteries ,benzene and something in between
[rquote=376212&tid=53527&author=Oscilllator][rquote=376007&tid=53527&author=No Tears ... |
9-12-2014 at 08:04
by: Praxichys |
Rador Labs - the outreach collaborative!
[size=3][b]Thoughts about Rador Labs[/b][/size]
[b]Things that RL is good for:[/b]
- Getting ... |
2-12-2014 at 07:43
by: Praxichys |
Hydrogen and the flying stopper
Keep in mind that the lower/upper explosive limit for hydrogen in air is is 4% and 75%, respectively ... |
2-12-2014 at 05:27
by: Praxichys |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=373281&tid=45845&author=Brain&Force]I think that's his trademark  he's done th ... |
1-12-2014 at 06:44
by: Praxichys |
Chinese Glassware on Ebay vs. Used Pyrex
I have approximately equal amounts of new Chinese and used Pyrex/Wilmad/Kontes/Ace. I have not had p ... |
25-11-2014 at 10:21
by: Praxichys |
Druken Aga Challenge (DAC) #3 - Closed (but open to discussion)
Potting soil should contain the required bacteria to convert ammonia to hydroxylamine and then to ni ... |
24-11-2014 at 09:15
by: Praxichys |
Sober Etaoin Shrdlu Challenge #1 - OTC TEMPO
Hey Cheddite, how did the workup go? Any luck? I'm on my way with the gassing...
[IMG=224x400]htt ... |
21-11-2014 at 16:35
by: Praxichys |
Viton ring
I have encountered the same issue.
[i]Hot[/i] nitric acid containing nitrogen oxides is extremely ... |
21-11-2014 at 06:14
by: Praxichys |
Isolation of Formic Acid - Questions
[b]"Kinetics of the Permanganate Oxidation of Formic Acid and Formate Ion in Aqueous Solution"[/b]
... |
20-11-2014 at 10:42
by: Praxichys |
Selling mercury?
[rquote=366763&tid=46593&author=Dr.Bob]not much is legal in NY anymore.[/rquote]
You can st ... |
19-11-2014 at 06:02
by: Praxichys |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
Yeah. I too am surprised at the number of revisions the rules have had since this thing began. Any r ... |
17-11-2014 at 12:08
by: Praxichys |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[size=5][b]The current prize is [color=green]$19 USD[/color][/b][/size]
Many of you have donated ... |
17-11-2014 at 07:09
by: Praxichys |
Homemade fume extractor design.
If you want a fume hood on the cheap, you can make a temporary one for like $15.
Make a frame fro ... |
17-11-2014 at 06:57
by: Praxichys |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[rquote=365720&tid=45845&author=HeYBrO]Damn it! that was the first thing that came to mind! ... |
15-11-2014 at 15:00
by: Praxichys |
Rador Labs Challenge 11-12/2014: High Stakes, High Mass
[size=3][b]Compound Name: [color=red]Silver (I) Tetraiodomercurate (II)[/color][/b][/size]
[b]Molec ... |
15-11-2014 at 08:48
by: Praxichys |
Rapidly burn Carbon without forced air blow
Powdered carbon will make it worse because it will pack tight with no space for air to flow. You def ... |
14-11-2014 at 05:26
by: Praxichys |
Investing in lab equipment; what to buy?
Yeah, but when you are just getting started, stirring by hand with a glass rod can save you a lot of ... |
13-11-2014 at 13:50
by: Praxichys |
Investing in lab equipment; what to buy?
I got it at an auction at work for $5. It seems pretty old and I can't seem to find the model online ... |
13-11-2014 at 07:39
by: Praxichys |
Investing in lab equipment; what to buy?
@ Greenlight - I had the same thing happen! For some reason, the heat is off until the knob is at ab ... |
13-11-2014 at 05:20
by: Praxichys |
Investing in lab equipment; what to buy?
I have a used Thermolyne Type 1000 heater/stirrer that I got on eBay for $80. The only issue is that ... |
12-11-2014 at 08:10
by: Praxichys |
Drunken Aga Challenge #1 - Finished
I second what WGTR said, but it could be simpler than that even.
Leave it open for about a week, ... |
12-11-2014 at 07:45
by: Praxichys |
Drunken Aga Challenge #1 - Finished
Edited again with the Fe2+ test. (Test for ANY Fe for that matter) C'mon banana! Praxi needs beer mo ... |
11-11-2014 at 16:25
by: Praxichys |
Drunken Aga Challenge #1 - Finished
Well, here we go.
1. Measure out exactly 250ml of your dirty HCl. Close-up here to show dirty col ... |
11-11-2014 at 15:23
by: Praxichys |
Investing in lab equipment; what to buy?
Some of the bare necessities:
1. A decent 0.01g (or better) scale. You can't do much if you can't ... |
11-11-2014 at 11:28
by: Praxichys |
Experimentation by proxy
[b]Competition[/b]
1. A thread is posted defining the competition. (e.g. "Grow the best crystal," ... |
10-11-2014 at 15:20
by: Praxichys |
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