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ClO3- VS HSO4-
You can make KClO3 from NaClO3 using only KCl. KClO3 is much less soluble than NaClO3. Just add some ... |
10-8-2015 at 10:18
by: Praxichys |
CCl4 Alternative ?
I have used tetrachloroethylene for such reactions with good success. It is relatively inert and is ... |
9-8-2015 at 12:10
by: Praxichys |
Mercury
[rquote=414958&tid=63235&author=Sulaiman]
although 3.5 mg is not a lot.
[/rquote]
At that ... |
6-8-2015 at 11:23
by: Praxichys |
Druken Aga Challenge (DAC) #3 - Closed (but open to discussion)
[rquote=414615&tid=48085&author=NWS]The second problem would be how to dry ammonia gas. Fr ... |
5-8-2015 at 10:37
by: Praxichys |
The energy future
There has been talk about long, shallow canals of water - concrete trenches - covered by a transpare ... |
5-8-2015 at 06:31
by: Praxichys |
Cleaning glassware
Sulfamic acid works great for mineral spots. It's also much less smelly than vinegar.
@ battouss ... |
2-8-2015 at 13:22
by: Praxichys |
Really odd idea
The problem with using air is that it is a poor oxidizer. 77% of it is inert gas, by weight. The pro ... |
31-7-2015 at 11:37
by: Praxichys |
Short question / quick answer - Thread
I have NOW Foods erythritol and it works fine for me. You have to use a lot of excess mixed acids to ... |
29-7-2015 at 11:53
by: Praxichys |
nitroglycerin
I remember my first experiences with NG. Having just sworn off peroxides (mostly MEKP), I made some ... |
27-7-2015 at 05:54
by: Praxichys |
nitroglycerin
[rquote=413618&tid=949&author=Bert]
Frozen NG is quite INsensitive. Partially frozen NG is ... |
26-7-2015 at 05:28
by: Praxichys |
Druken Aga Challenge (DAC) #3 - Closed (but open to discussion)
[rquote=413148&tid=48085&author=kecskesajt]Water poorly absorbs nitrogen oxides.[/rquote]
... |
22-7-2015 at 08:08
by: Praxichys |
High speed cameras
That would be cool but if you look deeper into the tech specs, you can only shoot 1M fps at a resolu ... |
17-7-2015 at 08:06
by: Praxichys |
Plutonium pill as laptop battery ?
The risk of someone building a "dirty bomb" will disallow consumer applications of RTGs, unfortunate ... |
15-7-2015 at 10:27
by: Praxichys |
Cancer Question
Some surprising IARC class 1 carcinogens:
- Strong inorganic acid mists including sulfuric acid
... |
15-7-2015 at 06:27
by: Praxichys |
aplication
F201 urethane acrylate appears to be an oligomer of urethane-acrylate resin. My guess is that it is ... |
15-7-2015 at 06:17
by: Praxichys |
looking for my first lab equipment, need advice
Every so often I get to post this:
Some of the bare necessities:
1. A decent 0.01g (or better) ... |
14-7-2015 at 08:55
by: Praxichys |
Strange flammable Chromium gas
I keep mine in the freezer at -20C. (Dedicated lab freezer only!) I think it has decomposed noticeab ... |
14-7-2015 at 07:28
by: Praxichys |
It finally happened, the police showed up
An update; why not?
1. There shall not exist such a thing as a landfill. 100% recycle rate. Germa ... |
12-7-2015 at 21:12
by: Praxichys |
It finally happened, the police showed up
Birth control: free prescription to whoever wants it. Subsidized methods need to be approved by gove ... |
10-7-2015 at 11:34
by: Praxichys |
It finally happened, the police showed up
What we need is a Jonestown for scientists, minus the crazy suicidal religious cult stuff. Let's get ... |
10-7-2015 at 05:27
by: Praxichys |
home chem lab hair analysis for heavy metals
Barring the social side of things...
Ash the hair and use an XRF gun? Not sure what a minimum sam ... |
10-7-2015 at 04:06
by: Praxichys |
It finally happened, the police showed up
A problem is that the same documents which define our rights also give us a process for changing the ... |
9-7-2015 at 10:34
by: Praxichys |
nitration of glycrine from n2o5
N2O5 is the acid anhydride of nitric acid. If you have N2O5, add water to it and you'll have nitric ... |
9-7-2015 at 09:25
by: Praxichys |
Homemade and Repurposed Lab Gear
[rquote=401661&tid=61783&author=violet sin]stupid compy dumped my comment twice now after ha ... |
9-7-2015 at 05:52
by: Praxichys |
phenophthalein
[rquote=411542&tid=62941&author=gdflp][rquote=411530&tid=62941&author=Praxichys]
Yo ... |
8-7-2015 at 06:09
by: Praxichys |
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