Elemental analysis Flashcards
1
Q
Describe the principle of elemental analysis
A
weigh small amount of compound, burn it, capture all elements as suitable oxides, measure amount of each oxide present and calculate % of each element in drug sample then evaluate whether the analytical results matched
2
Q
What are the most common types of EA?
A
carbon, hydrogen and nitrogen (CHN analysis)
3
Q
What is the acceptable percentage error to be confident that it is the right and pure drug?
A
± 0.3%
