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Are there any soft drink preservatives to protect against spoilage that are non acidic?
I haven't read your link yet tsjerk, but I will when I get home. That was how I understood it to wor ... |
21-3-2016 at 09:39
by: alking |
unknown layer in reaction?
You should be able to just add it into your naptha directly and agitate or stir it, (after separatin ... |
20-3-2016 at 20:59
by: alking |
ghettoing a 3 necked flask/ vacuum setup
How does a gas inlet replace a magnetic stirrer? I can't see much use for a gas inlet of this form a ... |
20-3-2016 at 15:20
by: alking |
unknown layer in reaction?
NP = non polar, a non polar solvent (such as naptha). Did you make sure your naptha evaporates clean ... |
20-3-2016 at 15:14
by: alking |
Help! Frozen joint. I think due to NaOH crystals.
Man, now I'm scared. How much glassware am I going to lose over time?! |
20-3-2016 at 15:05
by: alking |
Help! Frozen joint. I think due to NaOH crystals.
Yeah, I was reading about those earlier, I'll have to pick some up. |
20-3-2016 at 14:03
by: alking |
ghettoing a 3 necked flask/ vacuum setup
Not to mention you're looking to spend more to make such a creation, which will likely fail, than yo ... |
20-3-2016 at 13:25
by: alking |
unknown layer in reaction?
Do you have any pictures? I find it hard to believe that there is either an 'azeotropic' layer or a ... |
20-3-2016 at 13:16
by: alking |
Are there any soft drink preservatives to protect against spoilage that are non acidic?
Sodium benzoate is acid based.
edit: To elaborate, and correct me if I'm wrong, but while sodium ... |
20-3-2016 at 12:58
by: alking |
Are there any soft drink preservatives to protect against spoilage that are non acidic?
I was simply curious about food preservatives and this had me wondering, I couldn't come up with any ... |
20-3-2016 at 11:54
by: alking |
Potassium Permanganate Held at Post Office
[rquote=437907&tid=65236&author=JJay]
I'll never forget the time someone shipped me 3 kg ... |
20-3-2016 at 10:25
by: alking |
Help! Frozen joint. I think due to NaOH crystals.
I had tried that numerous times and it wouldn't budge. It's broken now anyway. Even once broken I co ... |
20-3-2016 at 09:03
by: alking |
Help! Frozen joint. I think due to NaOH crystals.
Ok, well I was able to get my condesor off finally by twisting at the kneck while smashing at the ba ... |
20-3-2016 at 06:40
by: alking |
Help! Frozen joint. I think due to NaOH crystals.
So I added some NaOH into a flask, some crystals got stuck around the edge, and I thought I cleaned ... |
19-3-2016 at 21:28
by: alking |
extraction
A simple crude extract could be made by doing a non polar extraction, filtration, and evaporating it ... |
19-3-2016 at 06:36
by: alking |
sealing a Br sample
Afaik, and do your research first, but outside of scheduled compounds it is legal in the US to mail ... |
18-3-2016 at 09:38
by: alking |
Bestine = 100% heptane? It doesn't seem like it.
I have yet to do any further tests, but I did come across mention the other day that a solution of e ... |
17-3-2016 at 17:32
by: alking |
Cheap source for alumina or silica column packing? Also, can you reuse column packing?
Awesome, thanks. I never considered literally asking a question as a search string, I always thought ... |
17-3-2016 at 15:03
by: alking |
Cheap source for alumina or silica column packing? Also, can you reuse column packing?
That is a good point, and I do have reagent grade already to compare to, which I would certainly use ... |
17-3-2016 at 10:21
by: alking |
Cheap source for alumina or silica column packing? Also, can you reuse column packing?
[rquote=442119&tid=65630&author=Dr.Bob]For good chromatography, you need very fine, and cons ... |
16-3-2016 at 20:01
by: alking |
Cheap source for alumina or silica column packing? Also, can you reuse column packing?
First I'm wondering if there's a cheap source anyone would recommend for aluminium oxide or silica g ... |
16-3-2016 at 14:05
by: alking |
Bestine = 100% heptane? It doesn't seem like it.
It's accurate within a degree at *most*, iirc from previous tests it's accurate within 0.2c even. I' ... |
12-3-2016 at 10:53
by: alking |
Bestine = 100% heptane? It doesn't seem like it.
[rquote=441475&tid=65567&author=aga]Nice work careysub.
Took you approx 5 mins to know mo ... |
11-3-2016 at 22:08
by: alking |
Bestine = 100% heptane? It doesn't seem like it.
Well I just finished the distillation, nearly distilled it dry, and at *best* this is 1/4 heptane. & ... |
11-3-2016 at 12:58
by: alking |
Bestine = 100% heptane? It doesn't seem like it.
I'm fractionally distilling some bestine with a small amount of isopropanol and my first fraction is ... |
11-3-2016 at 12:00
by: alking |
