[Histonet] Powder Picric Acid vs Liquid Picric Acid

[Jennifer MacDonald]

0.5 grams in 400 mL is 0.125%.  Dilute your 1.3% tenfold and it will be 
close enough.



From:   Amy Johnson via Histonet <histonet at lists.utsouthwestern.edu>
To:     "histonet at lists.utsouthwestern.edu" 
<histonet at lists.utsouthwestern.edu>
Date:   06/13/2016 10:47 AM
Subject:        [Histonet] Powder Picric Acid vs Liquid Picric Acid



Our current procedure for the Brown and Brenn Gram stain uses 0.5 grams of 
picric acid to 400mls of acetone........is there a way to use a 1.3% 
Picric Acid solution in place of the powdered Picric Acid?

Amylin Johnson, B.S. HTL(ASCP)
Associates in Pathology
Wausau Wi 54401
715-847-2130

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