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test for PO4 3-? (1 Viewer)

Thread starter cheney31
Start date Oct 22, 2008

C

cheney31

Member

#1

what is the test for phosphate ion (PO4 3-)?

lol... im so confused with conq chem.. is there a simple method?

minijumbuk

┗(^o^ )┓三

#2

Add Ba(NO₃)2. If there is white precipitate, then PO₄^3-.

Pwnage101

Moderator

#3

IN BASIC conditions, Ba2+ will ppte out PO43- (to distinguish from SO42- which Ba2+ also pptes out, except not in basic cond.)

crammy90

Member

#4

Pwnage101 said:
IN BASIC conditions, Ba2+ will ppte out PO43- (to distinguish from SO42- which Ba2+ also pptes out, except not in basic cond.)

does barium sulphate not form in basic ?
only neutral and acidic :S

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