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Name: Terrie
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Question:
I want to make a nitrogen free plant nutrient media for a lab. The recipe I have requires dihydrogen phosphate and potassium monohydrogen phosphate, both of which I don't have. Do you know of anything I could substitute? Or could these chemicals be listed by another name.


Replies:
Dear Terrie,

The following might be helpful:

http://en.wikipedia.org/wiki/Di-potassium_monohydrogen_phosphate

http://www.biology-online.org/dictionary/Dihydrogen_phosphate

http://www.epa.gov/pesticides/biopesticides/ingredients/factsheets/factsheet_076413.htm

http://en.wikipedia.org/wiki/index.html?curid=5390895

Anthony R. Brach, PhD
Missouri Botanical Garden
c/o Harvard University Herbaria



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