Microanalysis Laboratory

School Affiliated departments and LAS


Elemental Composition Calculator


Examples: NaOH, C12H22O11, Al2(SO4)3









ElementPercent by Weight

Report any problems to: Elizabeth Eves, bleves [at] illinois [dot] edu



University of Illinois at Urbana-Champaign
Microanalysis Laboratory
47 Noyes Laboratory
MC-712 Box 36-1
505 South Mathews Ave.
Urbana, IL 61801
Kiran Subedi, PhD
Facility Supervisor

micro [at] scs [dot] illinois [dot] edu
tel: (217) 333-3095
8:30 a.m. — 5:00 p.m.
Monday through Friday

Please send Web site comments and suggestions to:
scs-webmaster [at] illinois [dot] edu