Morning star Phosphorus

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PHOSPHORUS IS A KEY ELEMENT IN
ALL KNOWN FORMS OF LIFE

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PHOSPHORUS AS A MACRONUTRIENT

phosphorus is often a limiting nutrient

the availability of phosphorus governs the
rate of growth

an excess of phosphorus can be problematic

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HISTORY

Phosphorus was
discovered by a
German alchemist
Hennig Brand in 1669
through a
preparation from
urine

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MATCH INDUSTRY

phosphorus was first made commercially
for the match industry in the 19th century
by distilling off phosphorus vapor from
precipitated phosphates heated in a retort

early matches used white phosphorus

red phosphorus - a safer alternative for
match manufacture

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PHOSPHATE ROCK

Due to its reactivity to
air and many other
oxygen containing
substances, phosphorus
is not found free in
nature but it is widely
distributed in many
different minerals.
Phosphate rock is an
important commercial
source of this element

phosphate rock

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ALLOTROPES

The white allotrope
can be produced
using several
different methods

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COMPOUNDS OF PHOSPHORUS

Organic compounds of phosphorus form a

wide class of materials, some of which are

extremely toxic

Most inorganic phosphates are relatively

nontoxic and essential nutrients

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WHITE PHOSPHORUS

white phosphorus should

be kept under water at all

times as it presents a

significant fire hazard

red allotrope does not

spontaneously ignite in air

and is not as dangerous

as the white form

burning phosphorus


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