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Platinum coated titanium substrate anode wear

Do you know the thickness of the Pt coating on the new (or the old when new) anode?

You appear, ...
3-2-2023 at 14:10
by: yobbo II
Best Way to Dehydrate a Bunch of CaSO4

"If I skip temperature control and dehydrate it completely, ..."

Why do you want the hemihydrat ...
3-2-2023 at 14:04
by: yobbo II
Identifying your calcium ammonium nitrate

Ferrrous sulphate is inclined to oxidize a bit when you dissolve in water and you can get yellow c ...
3-2-2023 at 13:55
by: yobbo II
The Short Questions Thread (4)

Thanks B(a)P,

Before I read the post I decided to make some myself. (Did not know it contained ...
2-2-2023 at 08:28
by: yobbo II
Platinum coated titanium substrate anode wear

IMO and reading in this forum, successful platinum coatings cannot be done unless you have quite a ...
2-2-2023 at 08:19
by: yobbo II
Identifying your calcium ammonium nitrate

There is also a double salt Calcium Nitrate + Ammonium Nitrate that one poster here somehwhere tur ...
2-2-2023 at 08:05
by: yobbo II
The Short Questions Thread (4)

What is in Bakers No. 3 flux for soft soldering.
There is zinc chloride, anything else? and how m ...
31-1-2023 at 11:34
by: yobbo II
Identifying your calcium ammonium nitrate

'Calcium Ammonium Nitrate' CAN is usually a mixture of Ammonium Nitrate and Calcium Carbonate in ...
31-1-2023 at 08:42
by: yobbo II
New high vac line

The diffusion pump is a thing of beauty.

What size roughly are the holes (jets) that allow the ...
31-1-2023 at 08:39
by: yobbo II
LL8 from Dr. Liptakov


Will Calcium perchlorate (easy to get) and copper sulphate not give pure copper perk.
Calcium s ...
26-1-2023 at 11:16
by: yobbo II
Suitable manometer
"I guess you could bend a glass tube to a U-shape using a torch and fill it with liquid mercury.
Bu ...
26-1-2023 at 11:12
by: yobbo II
Preparation of elemental phosphorus
I posted this in another thread so it's a bit of a double post.

The following is from the Bell Ja ...
26-1-2023 at 11:06
by: yobbo II
Confusion on SO3 Synthesis
The following is from the Bell Jar, the first five years page 3 - 8:
A magazine dedicated to vacuum ...
26-1-2023 at 11:03
by: yobbo II
DCM

DCM has disappeared from the high street paint remover products (in the EU anyways).
It is still ...
26-1-2023 at 10:55
by: yobbo II
diffusion pump oil diy alternative?

When making a diffusion pump what size holes on the 'chimeneys' do you need?

I cannot see it di ...
19-1-2023 at 07:18
by: yobbo II
Looking for an online resource that contains large amounts of solubility data


See the Solubility Data Series (SDS) A number of volumes with solubility data.

https://sr ...
13-1-2023 at 17:00
by: yobbo II
Suitable manometer


A gauge that reads from zero to about 30 Torr would be fine AFAIK.
Some vacuum distilations are ...
13-1-2023 at 16:58
by: yobbo II
Welch duoseal 1397
Cranked up the pump and measured the vacuum using an old home made McLeod gauge of iffy internal dim ...
12-1-2023 at 17:20
by: yobbo II
diffusion pump oil diy alternative?

There is a read on diffusion pump oils here:

http://www.belljar.net/tBJ_First_Five_Years.pdf

...
12-1-2023 at 17:17
by: yobbo II
chlorate cell
I need some help:

Try here
http://www.chlorates.exrockets.com/chlorate.html


Yob
5-1-2023 at 12:07
by: yobbo II
diffusion pump oil diy alternative?


Have you tried using the pump yet.

A diffusion pump is on my list..........


There is a t ...
21-12-2022 at 19:00
by: yobbo II
Very cheap 400KV,DC HV generator
They are like a flyback transformer from an old (tube type) TV set.

Yob
20-12-2022 at 18:08
by: yobbo II
Welch duoseal 1397

My pump is old. It was purchased in about 1986 and was second hand. An exploded diagram of older ...
15-12-2022 at 17:41
by: yobbo II
Welch duoseal 1397

My pump is old. It was purchased in about 1986 and was second hand. An exploded diagram of older ...
15-12-2022 at 17:40
by: yobbo II
Lead Nitrate to Lead Chloride


http://www.sciencemadness.org/talk/viewthread.php?tid=5490

try here

Yob
8-12-2022 at 17:43
by: yobbo II
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