[Parasitology] Glycerine ammonium picrate preparation

[Timothée Poisot]

Hello,

I am working on monogeneans, and to illustrate my work, I would like  
to shoot some pictures of my parasites stained in glycerine ammonium  
picrate (it's also far more convenient to conserve them). I know the  
protocol was described by Malmberg in 1957, but I was unable to find  
the publication.

Does any of you know how to prepare this solution?

Also, I heard that some components are explosive — and they are more  
likely to be banned in France. Are there any alternatives?

Thanks a lot

Timothée Poisot