Revision history of "File:Aminoguanidine bicarbonate micro.jpg"

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  • (cur | prev) 17:58, 3 August 2020‎ Diachrynic (Talk | contribs)‎ . . (166 bytes) (+166)‎ . . (Aminoguanidine bicarbonate made from the reduction of nitroguanidine with zinc powder and ammonium sulfate as a microscopic view, horizontal view window is about 3 mm)
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