This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
DescriptionAlkaptonuria.jpg
English: Qualitative assay of homogentisic acid: To 0.5 ml of sample few drops of 10% ammonia was added followed by addition of 3% silver nitrate solution. Development of greenish black color signified presence of substantial amount of homogentisic acid. The test tube in the centre is the control one.
Date
Source
Asok K Datta, Syamali Mandal, Anindya Dasgupta, Tarun K Ghosh: Alkaptonuria diagnosed in a 4-month-old baby girl: a case report. Cases Journal 2008, 1:308 (13 November 2008)
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/2.0CC BY 2.0 Creative Commons Attribution 2.0 truetrue
Captions
Add a one-line explanation of what this file represents
{{Information |Description={{en|1=Qualitative assay of homogentisic acid: To 0.5 ml of sample few drops of 10% ammonia was added followed by addition of 3% silver nitrate solution. Development of greenish black color signified presence of substantial amou