ide ▁group ▁replacing ▁the ▁o xygen ▁atom ▁in ▁one ▁of ▁the ▁hydro x yl ▁groups ▁ ▁M ixed ▁ox id ation ▁states ▁Some ▁ph osph orus ▁ox o ac ids ▁have ▁two ▁or ▁more ▁P ▁atoms ▁in ▁different ▁ox id ation ▁states . ▁ ▁One ▁example ▁is ▁ ▁I so h yp oph osph or ic ▁acid , ▁ ▁( or ▁H ( OH )( O ) P − O − P ( O )( OH ) 2 ), ▁a ▁t etra pro t ic ▁acid ▁and ▁is omer ▁of ▁hyp oph osph or ic ▁acid , ▁containing ▁P ▁in ▁ox id ation ▁state ▁+ 3 ▁and ▁+ 5 ▁ ▁See ▁also ▁ ▁Ph osph or am id ate ▁ ▁Further ▁reading ▁ ▁External ▁links ▁Det erm ination ▁of ▁Poly ph osph ates ▁Using ▁I on ▁Ch rom at ography ▁with ▁Supp ress ed ▁Con duct ivity ▁D ete ction , ▁Application ▁Note ▁ 7 1 ▁by ▁D ion ex ▁ ▁References ▁ ▁* ▁ ▁Category : D iet ary ▁min er als ▁Category : In organ ic ▁comp ounds ▁Category : Ph osph ates ▁Category : Ph osph orus ( + 5 ) ▁comp ounds ▁Category : Py roph osph ates ▁Category : Re ag ents ▁for ▁organ ic ▁chem istry <0x0A> </s> ▁The ▁Inner ▁World ▁of ▁A phas ia ▁is ▁a ▁ 1 9 6 8 ▁medical ▁training ▁film ▁by ▁co - direct ors ▁Edward ▁Fe il ▁and ▁Na omi ▁Fe il ▁of ▁Edward ▁Fe il ▁Produ ctions . ▁It ▁port