| Search |
| [Next Page] |
Drinking water - filtration methods & re-introducing "minerals" for taste
Carbon filters do not do much unless the water is contaminated with solid particles. Dissolved solid ... |
13-7-2016 at 13:39
by: jsc |
cleaning stainless steel for bonding
Holy cow, what a pain.
First of all, that is not "cleaning". It is etching the surface to rough i ... |
6-1-2016 at 13:06
by: jsc |
Chemical storage
As a rule, no.
Usually plastic caps for chemistry have a teflon coated paper washer to create an ... |
6-1-2016 at 12:59
by: jsc |
Books for the beginner books (or how to brush up on old studies one has forgotten)
Some useful resources (all available via Google Books):
Handbook of Chemistry, Gmelin, 1851
Dict ... |
6-1-2016 at 12:54
by: jsc |
Removing screen printed labels from beer bottles?
[rquote=427893&tid=63639&author=MolecularWorld][rquote=427841&tid=63639&author=Morga ... |
16-11-2015 at 12:23
by: jsc |
Removing screen printed labels from beer bottles?
Try methyl chloride. Do it outdoors. |
14-11-2015 at 18:05
by: jsc |
Taste of different acids?
In the old days using taste was considered a standard method in chemistry and students were taught t ... |
6-3-2015 at 09:27
by: jsc |
Learning Electronics?
Your multimeter was probably working correctly. You were probably doing something wrong. In that sit ... |
19-2-2015 at 07:29
by: jsc |
Boiling down Sulpuric Acid
I hope I caught you before you tried this.
Boiling sulfuric acid is a bad idea. What will happen ... |
17-2-2015 at 19:04
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
[rquote=390903&tid=61416&author=Dan Vizine]Or, you could just conclude that the answer isn't ... |
7-2-2015 at 20:06
by: jsc |
Learning Electronics?
Sorry to rain on your parade, but unless you are a kid, you can probably forget learning electronics ... |
2-2-2015 at 20:19
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
[rquote=390064&tid=61416&author=macckone]Calcium chloride isn't going to decompose in a mic ... |
2-2-2015 at 04:13
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
More information:
I dissolved about 100 grams of CaCl2 from the same batch in water and it looks ... |
1-2-2015 at 23:01
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
[rquote=390041&tid=61416&author=Molecular Manipulations]Not entirely sure...
You didn't dec ... |
1-2-2015 at 19:52
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
I dissolved it in water and the water is definitely yellowish.
I have dissolved calcium choride i ... |
1-2-2015 at 19:50
by: jsc |
Gah, I ruined my calcium chloride, how did it happen?
I bought some Morton de-icer which is advertised as being "pure" calcium chloride.
It comes in th ... |
1-2-2015 at 19:26
by: jsc |
Waste disposal (tests and procedures)
EVERYTHING is toxic (except pure water maybe, and even then, drink too much water and you die).
S ... |
8-1-2015 at 14:52
by: jsc |
Drying calcium chloride
I am interested in drying some calcium chloride which I have in the form of small white pellets of t ... |
8-1-2015 at 13:47
by: jsc |
Best oxygen getter for atmospheric oxygen tester
[rquote=365317&tid=45836&author=Tsjerk]Can't you check the atmospheric pressure and correct ... |
14-11-2014 at 13:02
by: jsc |
Best oxygen getter for atmospheric oxygen tester
[rquote=365306&tid=45836&author=WGTR][rquote=365298&tid=45836&author=jsc]The apparat ... |
14-11-2014 at 12:39
by: jsc |
Best oxygen getter for atmospheric oxygen tester
The apparatus is a graduated column with a shelf on the top. The bottom is open and you put it in wa ... |
14-11-2014 at 11:25
by: jsc |
Best oxygen getter for atmospheric oxygen tester
I am working on an simple apparatus to measure the percentage of oxygen in air. I need an oxgen gett ... |
14-11-2014 at 10:25
by: jsc |
Absorption of mercury vapor
Yes, thats true, the volatility of mercury is 0.056 mg/hr/cm², so the barometer will just produce 1 ... |
10-10-2014 at 14:10
by: jsc |
Absorption of mercury vapor
Chemosynthesis, I know halogens like iodine are superior absorbers because they actually react with ... |
10-10-2014 at 11:46
by: jsc |
Absorption of mercury vapor
Obviously I can test any filter. Just put a cold trap at the outlet and let it run for a week to see ... |
10-10-2014 at 11:43
by: jsc |
| [Next Page] |
