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dc.contributor.authorMarion, Giles M. (Giles Michael)-
dc.descriptionSpecial Report-
dc.descriptionAbstract: The IONPAIR program was designed to speciate the chemical composition of calcareous and gypsiferous soil solutions. The program uses the Newton-Raphson algorithm to solve by successive approximations a set of non-linear equations relating ionic concentrations and activities. This program allows the user to specify as input any two ofthe following three variables: pH, alkalinity and PCO2. This flexibility allows one to check the internal consistency of experimental measurements, equilibrium constants and model assumptions. For example, is total alkalinity equal to inorganic carbon alkalinity? IONPAIR was designed as a "stand-alone" program, which means that it is easily usable and is available in both Macintosh and MSDOS versions.-
dc.publisherCold Regions Research and Engineering Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesSpecial report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 91-12.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectCalcareous solutions-
dc.subjectChemical speciation model-
dc.subjectComputer model-
dc.subjectGypsiferous solutions-
dc.subjectGypsum content-
dc.subjectComputer programs-
dc.subjectIONPAIR (computer program)-
dc.titleIONPAIR : a chemical speciation program for calcareous and gypsiferous soil solutions-
Appears in Collections:Special Report

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