ESCA gives sufficient chemical information up to a depth about ________ armstrong in oxide.
A. 5-20
B. 15-40
C. 40-100
D. 100-200
Answer:B
ESCA gives sufficient chemical information up to a depth about ________ armstrong in oxide.
A. 5-20 B. 15-40 C. 40-100 D. 100-200
Explanation: ESCA gives sufficient chemical information up to a depth about 15-40 armstrong in oxide. ESCA is also known as X-ray photoelectron spectroscopy.