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Alanine, picric acid and acid fucsin (van Geison)

 
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billben74



Joined: 09 Apr 2016
Posts: 145
Location: Cambridge, UK

PostPosted: Fri Mar 02, 2018 3:32 pm    Post subject: Alanine, picric acid and acid fucsin (van Geison) Reply with quote

Hello all.
x200 about 10 stacks each of about 15 images.

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houstontx



Joined: 31 Jul 2015
Posts: 232

PostPosted: Sat Mar 03, 2018 12:35 am    Post subject: Reply with quote

Confucius on 4th of july
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Cactusdave



Joined: 09 Jun 2009
Posts: 1631
Location: Bromley, Kent, UK

PostPosted: Sat Mar 03, 2018 3:19 am    Post subject: Reply with quote

Interesting. You can sort of see the contribution of the different components; picric acid: needles, alanine: plates, and red staining from the fuschin. Looks like you may be over exposing a bit. The highlights are quite blown out.
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billben74



Joined: 09 Apr 2016
Posts: 145
Location: Cambridge, UK

PostPosted: Sat Mar 03, 2018 12:23 pm    Post subject: Reply with quote

Thanks houstontx.
Thanks Cactusdave. I agree about the overexposure on part of the image.
Large dynamic range across image. I may see if the subject is still intact and see what I can do.
Always difficult to tell exactly what crystals are doing what. Especially in a mixture. Certainly the red is the acid fuschin. The alanine had been giving needles in some other slides and I've never used picric acid by itself (not too surprising there...) only in low conc in premade van Geison's stain I have. van Geison's stain has proved to be interesting, I've mixed it to good effect with citric acid and used it by itself.
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Sumguy01



Joined: 28 Jan 2013
Posts: 1192
Location: Ketchikan Alaska USA

PostPosted: Sat Mar 03, 2018 12:54 pm    Post subject: Reply with quote

Very nice.
Thanks for sharing.
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