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Heavy Sulfuric Acid
Thanks for the quick responses 
There is no solid material collected on the bottom, and I don't ... |
28-2-2014 at 19:07
by: subsecret |
Heavy Sulfuric Acid
I recently purchased small bottle of drain opener (Master Jack brand, not well-known), and I was am ... |
28-2-2014 at 17:52
by: subsecret |
The visual difference between high quality glassware and chinese crap
I'm not sure if this is entirely correct, but I've heard that Chinese suppliers mark their glass wit ... |
26-2-2014 at 19:31
by: subsecret |
Respirator Alternative
It depends where your compressor is situated. If it's right beside the work area, it's just going to ... |
26-2-2014 at 19:24
by: subsecret |
Chemicals in feces
Chicken feces were used for nitrates, IIRC. |
23-2-2014 at 18:53
by: subsecret |
Storing Chlorine as a liquid?
For most purposes, normal ampoules will not work. At room temperature, chlorine will produce almost ... |
23-2-2014 at 09:49
by: subsecret |
ACS grade 200 proof Ethyl Alcohol
Keeping elemental sodium in ethanol will form sodium ethoxide, IIRC.
2 CH[sub]3[/sub]-CH[sub]2[/s ... |
19-2-2014 at 18:25
by: subsecret |
Help: Thermometer bizarrity
When you swing the thermometer, it might be wise to tie it to a small cord (or use gaffers "Duct" ta ... |
19-2-2014 at 18:18
by: subsecret |
Is potassium chloride useful for any experiments?
In response to the first question, the one regarding calcium chloride, this reagent is quite easy to ... |
14-2-2014 at 08:17
by: subsecret |
OTC source of technical THF
Here's the MSDS for a generic "purple primer."
http://facilities.fit.edu/documents/forms/MSDS/Oat ... |
14-2-2014 at 08:01
by: subsecret |
Purification of denatured ethanol
I've also heard of Crown "Next" denatured alcohol, which contains 90% ethanol and 10% isopropanol. E ... |
4-2-2014 at 17:31
by: subsecret |
Purification of denatured ethanol
Remember that the methanol (bp: 65 C) has a lower boiling point than the ethanol (bp: 78 C), so reme ... |
3-2-2014 at 15:51
by: subsecret |
Sodium Acetate Impurities
I actually found a product known as "cleaning vinegar" at my local hardware store. According to the ... |
29-1-2014 at 07:33
by: subsecret |
Chlorate cell with base metal anode?
Fe does not hold up well to NaOH in the presence of an electric charge. I made an electrolysis cell ... |
15-1-2014 at 18:00
by: subsecret |
homebuilt fume hood
This is a very interesting fume hood design that I found...It's got a Venturi-type arrangement.
htt ... |
4-1-2014 at 15:49
by: subsecret |
Pesticide Laws
One could also say that the law is intended to protect the environment, and I'm not contaminating th ... |
2-1-2014 at 15:30
by: subsecret |
Pesticide Laws
A hard time proving it? I don't have a pool, and there aren't any other uses in my household for TCC ... |
2-1-2014 at 15:27
by: subsecret |
Pesticide Laws
Well, I'd experiment with it, but it gives law enforcement a reason to take action. They may not enf ... |
2-1-2014 at 15:16
by: subsecret |
Pesticide Laws
While looking around at the labels of bleach, pool shock, and pool chlorine tablets (TCCA), I found ... |
2-1-2014 at 14:50
by: subsecret |
The trouble with Buchner funnels
I have problems with my filter paper tearing. I use a 50 mL Buchner funnel with one circle of filter ... |
30-12-2013 at 16:42
by: subsecret |
How professional are your labs?
I have a ~1 x 2 meter table (which has a small lower level where I keep tubing, an aspirator, and a ... |
27-12-2013 at 21:54
by: subsecret |
Isolating Methyl Salicylate
When I attempted this reaction yesterday, I used 9 g of salicylic acid and 30-40 mL of methanol, ... |
26-12-2013 at 10:48
by: subsecret |
Concentration of HCl
It depends on the concentration you need. For most purposes, concentrated HCl is not needed, and ~20 ... |
22-12-2013 at 20:47
by: subsecret |
The Best Quality Glassware (?)
UPDATE: I just bought some new glassware from Wilmad Labglass, but it hasn't arrived yet. Making an ... |
14-12-2013 at 09:42
by: subsecret |
Concentration of HCl
If you live in the USA (Or Canada, I assume), it might be wise to buy a gallon of ~8-10 molar HCl at ... |
14-12-2013 at 09:32
by: subsecret |
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