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MS Tools - http://www.sisweb.com/mstools.htm
Online exact mass calculator, mass spectrum generator, and isotope distribution calculator. |
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ChemBuddy - http://www.chembuddy.com/
Calculators for pH, solution preparation and concentration conversion, acid-base equilibrium, buffer, hydrolysis, and dilution calculations. |
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Chemical Calculator - http://www.chemicalcalculator.com/
Chemistry shareware for Windows which calculates the amount of reagent to use when mixing, diluting, and dispensing solutions. |
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Visual MINTEQ - http://www.lwr.kth.se/English/OurSoftware/vminteq/index.htm
A free equilibrium speciation model, which calculates chemical equilibria in aqueous systems at low ionic strength. |
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Chemistry Functions - http://www.umass.edu/ednet/chemistry.html
Molar conversions and an interactive periodic table directly on the webpage. Requires JavaScript. |
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Laborant Chemstation - http://www.lcs-chemie.de/english.htm
English version of German freeware data analysis program, for various calculations including stoichiometry, pH, thermochemistry, and kinetics. |
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Isotope Pattern Calculator v2.0 - http://www.geocities.com/junhuayan/pattern.htm
A JavaScript shareware program that calculates isotopic ratio patterns for molecular fragments. |
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Physicochemical Calculators - http://www.trimen.pl/witek/calculators/calculators.html
Simple online and offline calculators for boiling point at reduced pressure, unit conversion, and molecular mass. |
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Norgwyn Montgomery Software - http://www.norgwyn.com
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. |
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Chemical Calculator - http://freenet-homepage.de/buick/
Free Windows program for calculateing conversion factors between compounds, concentration, and amount of substance in solution. |