Self-test 4.2 What are the concentrations of the following solutions of drugs in g/100 ml and mg/100 ml?
(i) Carbimazole, A (1%, 1 cm) value. +557 at 291 nm, measured absorbance 0.557 at 291 nm.
(il) Hydrocortisone sodium phosphate, A (1%, 1 cm) value 333 at 248 nm, measured
absorbance 0.666 at 248 nm.
(iii) Isoprenaline, A (1%, 1 cm) value = 100 at 280 nm measured absorbance 0.500 at 280 nm.

​