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Radiation detector for minerals on a budget
Most alpha emitters are not pure alpha emitters - they undergo secondary gamma emission as the k she ...
17-5-2018 at 01:42
by: Harristotle
How to trigger reaction in closed vacuum jar ?
See diagram.

Basically use glass bottle with septum made from icecream lid. Tilt to mix. Tape to ...
15-3-2018 at 04:52
by: Harristotle
Doable synthesis of F2 in amateur setting?
Tsjerk - The Odin sells fixed increment (not "analogue") pipettes for around $25 USD. They are quite ...
5-2-2018 at 03:39
by: Harristotle
Bacteria suggestion for feeding
There are a couple of ways to try this:

1) Could you feed them on freeze-dried bakers yeast? No c ...
27-1-2018 at 23:01
by: Harristotle
Bacteria suggestion for feeding
Can you not use something like a lactobacillus from yoghurt or kefir?

That is pretty much jam jar ...
27-1-2018 at 03:35
by: Harristotle
Mystery Glassware Identification Thread
It is a chromatography column, made by Pharmacia
Often filled with Sephadex/Sephacryl size exclusio ...
8-1-2018 at 00:04
by: Harristotle
Synthego offers FREE samples of CRISPR for human cells lines
Thanks for sharing,
passed on to some bio mates, who became very excited.

Cheers,
H.
7-1-2018 at 14:22
by: Harristotle
Is this a good Geiger counter cicuit?
You remind me of a 1000 volt circuit I was making for a photomultiplier tube, a while ago.

I disc ...
1-1-2018 at 06:03
by: Harristotle
Preparation of TLC Plates and quantitative analysis of paracetamol
Greetings to all.
The following is a summary of a technique that I have used to prepare silica-base ...
20-12-2017 at 06:44
by: Harristotle
Magnetic stirrer hotplate free to a good home
Drain Cleaner H[sub]2[/sub]SO[sub]4[/sub] is almost impossible. I have seen it at Masters before the ...
18-12-2017 at 21:10
by: Harristotle
Magnetic stirrer hotplate free to a good home
Nice job. Are you close to 100ml yet?

It seems you are getting close to nailing it.

Cheers,
H ...
16-12-2017 at 05:21
by: Harristotle
Arduino-controlled Differential Thermal Analysis
You know, I wonder if this is over-complicated.

So long as you are able to supply energy to the h ...
3-12-2017 at 04:17
by: Harristotle
Magnesium silicate (Talc) TLC preparation.
Hi all. Firstly, my apologies to LOPTR - I only just saw his u2u. Some forum stuff like sharing imag ...
2-12-2017 at 21:13
by: Harristotle
Arduino-controlled Differential Thermal Analysis
[img]https://drive.google.com/file/d/1iq0TLZ2AXlN3EYCA9CBc2GoWEwvOaG4u/view?usp=sharing[/img]


I ...
2-12-2017 at 04:39
by: Harristotle
Arduino-controlled Differential Thermal Analysis
Really, really cool.
A few years ago, I made something like this. I found that large heaters such a ...
2-12-2017 at 03:47
by: Harristotle
Could Greed end research gate?
True, but if you use it as a preprint server, you may be able to get around this.

The journals ar ...
21-10-2017 at 00:07
by: Harristotle
Verse and worse, almost verse-O4 (perverse)
I bid a fond farewell to my final year chemistry students yesterday, and I wrote a few verses for so ...
20-10-2017 at 18:12
by: Harristotle
Sources of choline chloride in Australia
Thanks aga!
This is helpful. I shall do it that way then.

Cheers,
H.
12-10-2017 at 14:52
by: Harristotle
Sources of choline chloride in Australia
Does anyone have a good cheap source of choline chloride in Australia? The chicken places here don't ...
11-10-2017 at 06:12
by: Harristotle
Growing pyrite (iron sulfide) crystals
I have no idea if this will work, so please accept this as wild speculation.

Suppose you took you ...
9-10-2017 at 05:55
by: Harristotle
new solid phase extraction (SPE)/TLC based test
Hi BD.
Very interesting. I have some students working on a related project at the moment, and they ...
7-9-2017 at 01:28
by: Harristotle
Crystallizing my own piezo pickups (Rochelle salt)?
Copper tape is a great way to attach a pickup.

My recipe involved a two-step purification:
Makin ...
6-9-2017 at 03:39
by: Harristotle
Magnetic stirrer hotplate free to a good home
My end is, but we have agreed between us that Oscillator will judge, as it was his proposal and work ...
30-8-2017 at 02:58
by: Harristotle
Galinstan liquid metal robots: accessible surface electrochemistry for hobbyists and schools
Thanks for the kind comments Melgar,

I don't seem to have lost that much copper from the tape ove ...
22-8-2017 at 05:37
by: Harristotle
Acoustic Levitator for cheap
Possibly Metacelsus, but I think the way you'd do it would be to set the bead spinning and compare t ...
19-8-2017 at 22:09
by: Harristotle
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