4, 5 vaja Flashcards

1
Q

Določanje fosforja z MAS

A

Anorganski fosfor v filtratu po odstranitvi proteinov reagira z amonijevim molibdatom [Mo(VI)] tako da nastane amonijev fosfomolibdat. Tega reduciramo s šibkim reducentom do molibden modrega. Absorbanco nastale modro obarvane raztopine merimo pri 690 nm

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2
Q

Določanje vitamina B2 v pivu z MFS

A

umeritev s standardnim dodatkom
iščemo presečišče y = 0

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3
Q

Določanje natrija in kalija v mleku

A

AES

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4
Q

Določanje železa, mangana in cinka v vitaminskih
tabletah

A

AAS

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