Request Images of PM loaded ion exchange resins

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Punterr

Member
Joined
Jul 27, 2020
Messages
15
Dear All,

I am trying to make a library of images relating to different types of Precious Metal loaded ion exchange resins, prior to eluting, fuming or ashing.

If any images are available, please indicate the resin type and the PM's it was loaded with.

If anyone can help with said images i would be most greatful.

Many thanks.
 

Yggdrasil

Well-known member
Joined
Oct 30, 2015
Messages
1,336
Location
Northern Mindanao, Philippines
Just as a clarification.

What do you want to know?
Which colours they are empty, loaded, eluted or all?

I have been searching for proper ashing descriptions for resins for a while without much luck.
Regards Per-Ove
 

Punterr

Member
Joined
Jul 27, 2020
Messages
15
Hi Mate..

Photos of actual loaded or partially loaded Anion resin, indicating what PM's were actually loaded, so we can have an idea of the colour changes seen.

This could help identify what the resin is loaded with (or not).

This is just an idea and it could be useful if the library works. It could give an indication as a firld test, for instsnce.

So i need to know:

1. Resin type (Ambersep 21K, LJ-GE31, etc)
2. PM's loaded
3. Partial or fully loaded

Many thanks
 

Deano

Well-known member
Joined
Feb 23, 2014
Messages
373
No matter what the resin companies say there are no totally selective resins available for precious metals over base metals.
If you look at their blurbs you find that they employ terms such as " selective" or "preferential".
In most cases where base metals are present these base metals are present at levels many times that the precious metals are present.
This means that the beads will be coloured by the base metals rather than by the precious metals.
It is only in processing of high level precious metal solutions with low levels of base metals that you will have the primary colouring supplied by the precious metals.
Even then the colour is affected by the relative levels of the precious metals present on the resin.
Deano
 

Punterr

Member
Joined
Jul 27, 2020
Messages
15
Thanks Deano,

Yes i understand all that, but having images of different types.of standard resins with stock (known) solutions of PM's at different concentrations could be useful for field testing.. certainly for.me it would help.

Thanks anyway.
 

Punterr

Member
Joined
Jul 27, 2020
Messages
15
Here are some of my images showing some gassing at 200C and metal concentrations at 300C. This resin type is Strong Anion 201x7 (717) which seems to be good as a 'catch all'
 

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