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Reagent Calculator
Windows software for the calculation of molecular weight, molecular formulas, mass percentages, mass spectroscopy fragments and adducts, and elemental analysis component; also includes a reagent library. (infos)Elem
Free program for the interpretation of elemental analysis results. For Windows and Unix; source code available. (infos)
JFormula
Information System intended to support multi-stepped technological processes that can be defined on a table of mixes and ingredients and do not involve chemical reactions. The system includes an algorithm to calculate material requirements. (infos)
Physicochemical Calculators
Simple online and offline calculators for boiling point at reduced pressure, unit conversion, and molecular mass. (infos)
Isotope Pattern Calculator v2.0
A JavaScript shareware program that calculates isotopic ratio patterns for molecular fragments. (infos)
MS Tools
Online exact mass calculator, mass spectrum generator, and isotope distribution calculator. (infos)
Norgwyn Montgomery Software
NGMSI sells software for 3-D molecular modeling, chemical database creation and manipulation, 2-D publication quality drawing, calculation of over 100 physical properties from structure, automatic chemical internet database generation, and QSAR and QSPR analysis as well as chemical databases. (infos)
Visual MINTEQ
A free equilibrium speciation model, which calculates chemical equilibria in aqueous systems at low ionic strength. (infos)
Solution Solver Chemistry Calculator
Windows program for calculating molecular mass, dilutions, conversions, radioactive decay. Free trial version available. (infos)
Chemical Calculator
Chemistry shareware for Windows which calculates the amount of reagent to use when mixing, diluting, and dispensing solutions. (infos)