Doug's Lab
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[Acid Anhydrides] [Mn2O7]
zhmapper
337 views
0:30 to skip intro!
Manganese heptoxide is made using H2SO4 and KMnO4, with some explanation behind the process.
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[Easy Nitric Acid]
zhmapper
638 views
Skip the intro: 0:30
In this video, I directly make 68% azeotropic nitric acid by exploiting the unique properties of insoluble calcium sulfate. This process avoids most o...
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[Ferrous Oxalate Synthesis] [Pyrophoric Iron]
zhmapper
418 views
Jump to 0:30 to skip the intro. Also, useful info below!
In this video, 30mL of 31.45% HCl is reacted with 5g of iron to make ferrous chloride. 10g oxalic acid is added ...
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Prepare for the 2012 Season of Doug's Lab!
zhmapper
494 views
52 new videos, one for each week, all chemistry related! I'm working with a professional lab to do some of the more dangerous experiments. Major upgrades to the lab have be...
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Homemade AC Arc Welder
zhmapper
4,835 views
In this video, I describe how I built a stick welder from a pair of microwave oven transformers.
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The 9mm Bullet Atomizer in Action
zhmapper
2,708 views
I had to re-upload this in .mpg because for some reason youtube's sonverter always messes up my AVCHD, so apologies on the video quality - it's DVD instead of 1920x1080 HD....
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Homemade Greensand for Sand Casting
zhmapper
28,985 views
In this video, I describe how to make your own greensand for casting metal parts. I also demonstrate the physical properties of properly tempered greensand.
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9mm Atomizer Burner Update
zhmapper
5,978 views
In this video, I rig up the atomizer to shoot water.
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9mm Bullet Atomizer
zhmapper
2,609 views
In this video, I show the first in a series about changes coming to the foundry this summer.
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The Haloform Reaction
zhmapper
1,375 views
In this video, I demonstrate the action of chlorine on a methyl ketone under basic conditions to produce chloroform and the corresponding carboxylic acid.
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