Many Varieties of Milk Are Fortified with Vitamins a and D

question 9

True/False

Many varieties of milk are fortified with vitamins A and D, with D being required in all milk types and A optional in several types of milk.

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Definitions:

Off-Resonance Decoupled

A technique in nuclear magnetic resonance (NMR) spectroscopy used to simplify spectra by removing certain interactions.

Multiplicities

In NMR spectroscopy, refers to the splitting of a resonance into multiple peaks due to spin-spin coupling.

Proton Spin Decoupled

A technique in NMR spectroscopy used to simplify spectra by removing the interactions between proton spins.

Singlets

In spectroscopy, a single peak or line that represents a non-split energy level.