What is the function of HPO3 and HOAc mixture in indophenol method for determining vitamin C?

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What is the function of HPO3 and HOAc mixture in indophenol method for determining vitamin C?

Why we must blend our sample with that mixture (HPO3-HOAc)?

2007-10-04 01:09:04 · 1 answers · asked by thereddevil_mania 1 in Science & Mathematics ➔ Chemistry

1 answers

indophenol method is solution pH dependent. The mixture (HPO3-HOAc) is for solution pH adjustment, without introduce any additional oxidation or reduction potential.

2007-10-07 17:06:53 · answer #1 · answered by Hahaha 7 · 0⤊ 0⤋