hodges
National Hazard
Posts: 525
Registered: 17-12-2003
Location: Midwest
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Monoammonium Phosphate OTC
I see at this time of year (in the US), toy retailers are selling crystal growing kits as a STEM activity. The salt used for growing the crystals is
monoammonium phosphate, (NH4)(H2PO4). The kits range from about $8 to $15 in price, with the $15 ones containing as much half a pound of this
chemical.
Seems this should be a convenient source for someone looking for a phosphate salt. It can also be decomposed fairly readily to phosphoric acid (above
200 degrees C), though this would likely require distillation apparatus and a fume hood.
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Ubya
International Hazard
Posts: 1247
Registered: 23-11-2017
Location: Rome-Italy
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Mood: I'm a maddo scientisto!!!
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probably it can be bought cheaper as a fertilizer.
i'm actually trying to get a few kg of it from a dry powder fire extinguisher (ABC powder)
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j_sum1
Administrator
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Registered: 4-10-2014
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Mood: Most of the ducks are in a row
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Dunno if this is helpful...
https://www.ebay.com/itm/Monoammonium-Phosphate-MAP-100-Pure...
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