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Homemade Hydrometers
Thanks for reply.
I want to go from about 1.25 to1.45 density.
Yob
9-11-2020 at 17:06
by: yobbo II
Quartz tubes (140mm x 13mm) from halogen lamp -also with tungsten element running through it - ketene lamp maybe?
It is quartz glass.
The quarz is not clear, I don't know why.
Yob
9-11-2020 at 17:04
by: yobbo II
Homemade Hydrometers
Hi All,
I have had visions of making a quantity of density measuring 'fishing float' type hydro ...
7-11-2020 at 11:35
by: yobbo II
Real sassafras oil from roots!
Purchased saffarfas oil over the counter from a chemist that ordered it for me about 30 years ago. ...
20-10-2020 at 10:31
by: yobbo II
How dangerous really is picric acid?
If stored in the wrong container is can be dangerous. Some metal picrates can explode easily.
T ...
19-10-2020 at 06:02
by: yobbo II
EMP device for pesky drones
https://www.youtube.com/watch?v=rAzzmdDqT6Q
19-10-2020 at 05:55
by: yobbo II
More on PbO2 electrodes
Thickness of coating was probably around 5mm of a proper coat.
They used them in the Henderson pl ...
17-10-2020 at 14:15
by: yobbo II
EMP device for pesky drones
Youtube vid here https://www.youtube.com/watch?v=oJOSfnETiG4
looks a bit like the device in ...
11-10-2020 at 12:13
by: yobbo II
EMP device for pesky drones
There is a jammer here:
https://aliexpress.ru/item/4000968563014.html?spm=a2g0o.detail.100001 ...
11-10-2020 at 11:44
by: yobbo II
manometer
One problem you may have if you use it, especially with Hg, is that if there is no constriction at ...
11-10-2020 at 11:08
by: yobbo II
EMP device for pesky drones
Believe it or not! I did actually think of the 12 gauge. I believe it is illegal to shoot down a ...
7-10-2020 at 16:13
by: yobbo II
Compact Flow-Through Electrochemical Cell for Perchlorates
It may erode as the current carrier. It will be exposed to the solution and some current will go ...
6-10-2020 at 12:08
by: yobbo II
EMP device for pesky drones
Unfortunately I don't have any eagles.
Yob
6-10-2020 at 12:06
by: yobbo II
EMP device for pesky drones
Hi,
Has anyone any knowledge or info. on a EMP generator that could be used to disable drones. (s ...
5-10-2020 at 12:25
by: yobbo II
Single component rocket fuels
Potassium chlorate and wax is used by some. Perk. would do too.
I wondered would the following wo ...
5-10-2020 at 11:34
by: yobbo II
Compact Flow-Through Electrochemical Cell for Perchlorates
It reminds me of the Pinkston anode.
http://www.pyrosociety.org.uk/forum/topic/426-synthisis-of ...
5-10-2020 at 11:29
by: yobbo II
Sealing the edges of a Perchlorate Cell Anode
Straight MMO has a surface area of 1.1 times the length by breath.
2-10-2020 at 11:56
by: yobbo II
Perchlorate cell additives for Pt anode
I would agree with B(a)P!
Dont obsess over additives.
Yob
27-9-2020 at 13:21
by: yobbo II
Solubility of salts and their percipitation
If you go to this site:
http://www.chlorates.exrockets.com/chlorate.html
then sodium chlor ...
27-9-2020 at 13:16
by: yobbo II
Electrolysis of Sodium Hypochlorite solution
Could not find the post I was looking for where Woelen posted a link to his page showing cathodic re ...
20-9-2020 at 13:22
by: yobbo II
Lead 2 acetate basic
See the 'Lead Salts preparation' thread for (perhaps more info)
20-9-2020 at 13:05
by: yobbo II
DIY burners and torches
[rquote=644455&tid=156100&author=RogueRose][rquote=644441&tid=156100&author=yobbo II ...
11-9-2020 at 05:21
by: yobbo II
DIY burners and torches
An example of a torch that does not premix the gasses. This type I believe is the easiest to make. ...
10-9-2020 at 14:04
by: yobbo II
DIY burners and torches
I once attempted to make a oxy fuel torch for working fused quartz. You need WHITE heat and you ne ...
8-9-2020 at 06:01
by: yobbo II
I finally won a cheap difussion pump
I wonder would brake fluid work instead of the (crazy) expensive oil
Yob
8-9-2020 at 05:29
by: yobbo II
[Next Page]
Sciencemadness Discussion Board
» Search
Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
Engineering and Equipment
» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
» Computational Models and Techniques
Literature and Documentation
» Sciencemadness Wiki
» Prepublication
Non-science
» Forum Matters
» Legal and Societal Issues