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lab art
My son sent me these pictures that he took at the Metropolitan Museum of Art in NY. I want that lab ... |
20-2-2016 at 19:28
by: Magpie |
electrical safety problem
[rquote=439446&tid=65356&author=IrC]Does the light use a ballast transformer?
[/rquote]
... |
20-2-2016 at 18:51
by: Magpie |
electrical safety problem
Upon opening up the switch I found that the incoming and outgoing ground wires had not been connecte ... |
20-2-2016 at 14:11
by: Magpie |
electrical safety problem
Yes, there's no ground. It must have become disconnected in the switch. I'll look into this tomorr ... |
19-2-2016 at 19:52
by: Magpie |
electrical safety problem
JJay's link gave me a clue that a poor ground might be the problem. I just checked the ground wire ... |
19-2-2016 at 19:40
by: Magpie |
electrical safety problem
@blogfast25:
I've been doing my own simple household wiring for 50 years and never had a problem. ... |
19-2-2016 at 18:42
by: Magpie |
electrical safety problem
I couldn't use my lab today due an electrical safety problem that so far I have not been able to sol ... |
19-2-2016 at 17:09
by: Magpie |
Manganese Mediated Electrochemical Oxidation of Ethanol
[rquote=439297&tid=65340&author=nlegaux]
Also, would it be more appropriate to move this ... |
19-2-2016 at 09:23
by: Magpie |
Grignard successes and failures
[rquote=439239&tid=65348&author=blogfast25]@magpie:
So when are you going to use your but ... |
19-2-2016 at 09:12
by: Magpie |
Grignard successes and failures
I just finished preparing n-butylMgBr, a Grignard reagent, and wanted to post about the experience a ... |
18-2-2016 at 16:17
by: Magpie |
Crucible Materials
I have melted silver in ceramic crucibles that I bought from a gold assay supplier. I believe they ... |
18-2-2016 at 15:06
by: Magpie |
Help: Poor rotary vane pump performance.
I have a Harbor Freight, $100, 2.5 CFM, made in China, single stage rotary vane pump that pulls down ... |
18-2-2016 at 11:56
by: Magpie |
Preparation of elemental phosphorus
My safety concern was meant more for skin burns. At least two of our members have experienced painf ... |
16-2-2016 at 09:08
by: Magpie |
Preparation of elemental phosphorus
It is nice to see someone experimenting again. Please be careful. "In my bathroom..." (shudder)
... |
15-2-2016 at 12:39
by: Magpie |
Dry Distillation Apparatus
Yes, it looks like Duda is getting greedy or doesn't like small orders.
Actually, my purchased bo ... |
14-2-2016 at 14:58
by: Magpie |
Dry Distillation Apparatus
I agree Herr Haber that the salt must be washed out with hot water. The soaking overnight just loos ... |
14-2-2016 at 10:45
by: Magpie |
Dry Distillation Apparatus
[rquote=438703&tid=65305&author=Detonationology]I'm quite surprised that more people have no ... |
12-2-2016 at 09:10
by: Magpie |
dark pictures
[rquote=438579&tid=65286&author=woelen]
How do other websites look like on your monitor? [/ ... |
11-2-2016 at 08:46
by: Magpie |
Solubility of elements without chemical reaction
I don't suppose Na dissolved in liquid ammonia would qualify? |
10-2-2016 at 08:42
by: Magpie |
titration of formaldehyde
I titrated 25mL of my aqueous formaldehyde solution made with anhydrous formaldehyde using the Na2SO ... |
9-2-2016 at 15:56
by: Magpie |
dark pictures
OK, thanks. It must be my aging monitor then. I had noticed that the pictures look much brighter o ... |
9-2-2016 at 15:43
by: Magpie |
dark pictures
No, I'm referring to pictures taken with a home camera. Many are so dark I can't make out the pictu ... |
9-2-2016 at 13:21
by: Magpie |
dark pictures
Could it have anything to do with the fact that my monitor is 20 years old?  |
9-2-2016 at 11:49
by: Magpie |
anhydrous formaldehyde
Thanks.
Here's a couple pictures of the quartz tube containing the H3PO4 supported catalyst. Th ... |
9-2-2016 at 11:44
by: Magpie |
dark pictures
Is it just me or does there seem to be a lot of dark pictures being posted? I have to transfer them ... |
9-2-2016 at 09:27
by: Magpie |
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