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What is CHEAQS?

CHEAQS Next is a computer program for calculating CHemical Equilibria in AQuatic Systems. You supply input data, the program calculates the chemical speciation for you. CHEAQS Next is free.



periodic table

CHEAQS Next comes with a large database. Documentation is available for each equilibrium reaction in the database so you can always trace the source of an equilibrium reaction. In the periodic table on the right, you can see (in green) which elements are covered in CHEAQS Next' database. The database contains: