| Search |
| [Next Page] |
At what point does Sulfuric Acid reach its lowest Ph?
@Jor: Wasn't the rule for calling an acid stronger than another, that it can displace the other from ... |
22-2-2009 at 18:26
by: chief |
Electrolytic Production of Sulphuric Acid + some questions.
Right. What then about the really available and cheap sulfate: CaSO4 aka gypsum: This is soluble in ... |
21-2-2009 at 15:00
by: chief |
Glassware from fluorescent lamps - How to get rid of Hg?
Just do it outdoors when the wind is strong ; most people have more mercury in teyr amalgam-toothfil ... |
20-2-2009 at 09:23
by: chief |
Acetone Uses
Could this reduction to propan-2-ol also be achieved in a NaOH-electrolytic cell (reacting with the ... |
19-2-2009 at 12:24
by: chief |
Glassware from fluorescent lamps - How to get rid of Hg?
But maybe these glass-tubes might be tempered so to get less in diameter and thereby a useful wall-t ... |
19-2-2009 at 12:18
by: chief |
Glassware from fluorescent lamps - How to get rid of Hg?
New glassware costs only 2-3 EUR/kg ; for various sizes of tubes, for standars glass. Quartz-glass i ... |
18-2-2009 at 14:26
by: chief |
Pressurized Gas production.
If NH4NO3 reacts with K2CO3 and the "unstable" carbonate decomposes, why doesn't it work the same wa ... |
17-2-2009 at 12:57
by: chief |
Benzaldehyde/acetone azeotrope
@JohnWW: The above "Roempp"-link functioned, but the file is a nero-image; it somehow doesn't transf ... |
16-2-2009 at 15:59
by: chief |
CRC Handbook Editions
The often mentioned gigapedia-site takes only google-mail accounts for registration, "because of spa ... |
15-2-2009 at 13:21
by: chief |
CRC Handbook Editions
@JohnWW: The posted rapidshare-link (critical tables) says: "File could not be found" |
15-2-2009 at 06:11
by: chief |
CRC Handbook Editions
Are there not the CD=versions of the CRC-Handbook ? I once ago considered purchasing one ... ; some ... |
15-2-2009 at 06:07
by: chief |
Mixed supersaturated solution
With Cu an Ni it might be possible, that the crystals are so-called "solid solutions", where the cry ... |
15-2-2009 at 05:01
by: chief |
Strange rectifier behaviour
@watson: I thought of that, of course ; only I also have the impression, that with my former bridge- ... |
15-2-2009 at 04:41
by: chief |
Strange rectifier behaviour
Also I might add: The transformer is quite a powerful one: In case these diodes would be short, at t ... |
14-2-2009 at 16:19
by: chief |
Strange rectifier behaviour
Can anyone help me on this ? :
I constructed myself a
==> full-wave, center-tapped rectifier, ... |
14-2-2009 at 15:45
by: chief |
rectifying HV using a monitor-tube
It was just an Idea, as it came to my mind, that such a crt-tube should have a _high_ breakdown volt ... |
14-2-2009 at 03:40
by: chief |
rapidshare- please stop using it
Someone mentioned gigapedia above ; I assume the site would be http://gigapedia.org .
There are for ... |
13-2-2009 at 06:35
by: chief |
Silicon electrode for electrolysis
SiC (silicon carbide) is a semiconductor too ; it industrially is made by laying out a trace of coal ... |
12-2-2009 at 13:00
by: chief |
rectifying HV using a monitor-tube
Just as a idea: Theoretically one might abuse some monitor-tube to rectify quite high voltages ... ... |
12-2-2009 at 10:44
by: chief |
Silicon electrode for electrolysis
I corrected it ; That's what I meant, sorry for the typo and thaks for the hint.
Besides this ge ... |
12-2-2009 at 04:32
by: chief |
Silicon electrode for electrolysis
I might throw in here, that gemstone-quality opal is nothing else byt nanospheres of silicon-dioxide ... |
11-2-2009 at 12:10
by: chief |
Silicon electrode for electrolysis
Another thought: If the Si could be consumed electrolytically, then this could be a cheap way to mak ... |
11-2-2009 at 03:32
by: chief |
Silicon electrode for electrolysis
I just want to find out before I try ; probably someone has it around and will try it anyhow, then r ... |
10-2-2009 at 12:52
by: chief |
Book scanning.
Just a hint about proficient scanning under linux:
--> as scanner-program use "eikazo"
- It's a ... |
10-2-2009 at 12:33
by: chief |
Carbon monoxide preparation?
But CO is breathed in without notice - just like air. At the same time chlorine etc. will probably h ... |
10-2-2009 at 06:30
by: chief |
| [Next Page] |
