Evaluation Software Downloads:
For Windows 95/98/ME/XP/Vista/NT/2000 (ChemLab v2.5)
- Download the file cl20_evl.exe
(3.15 MB) or cl20_evl.zip (3.10 MB)
- Execute to install.
- Follow installation instructions.
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ChemLab Windows installs are now signed with Microsoft Authenticode for security.
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For Mac OS X (ChemLab v3.04)
- Download the file chemlab_v304.dmg
(2.5 MB)
- Open the compressed disk image; chemlab_v304
- Run Package Install; chemlab_v304.pkg
- A 'ChemLab 3' folder will be installed in the Applications folder
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For Mac OS (ChemLab v2.0)
- Download the file cl20ppc_eval.sit
(1.9 MB)
- Execute to install
- Follow installation instructions
NOTE: The evaluation copy contains a trial version of the Lab Wizard tool. You
will not be able to save your UDL file. The evaluation software also only contains a small
set of the currently available labs.

Versión de evaluación Español (Spanish):
Para Windows 95/98/ME/XP/NT/2000 (ChemLab v2.4)
Versión de evaluación: cl20_evl_sp.exe (2,3 MB)
ChemLab se instala con el programa de instalación de expansión automática: cl20_evl_sp.exe.
La ejecución de cl20_evl_sp.exe comenzará el proceso de instalación y añadirá un elemento de menú "ChemLab" en el menú de inicio de programas.

Version d'évaluation en français (French) :
Pour Windows 95/98/ME/XP/NT/2000 (ChemLab v2.4)
- Télécharger le fichier : cl20_evl_fr.exe (2,12 MB)
- Exécuter le fichier pour installer le programme
- Suivre les instructions d'installation
Model ChemLab v1.2 Evaluation Version
For Windows 95, NT
- Download the file chem12a.zip (530 KB)
- Create a ChemLab directory and copy the zip into it.
- Unzipped file to your ChemLab directory.
- Execute Chemlab.exe
For Power Mac
NOTE: The evaluation copy contains a trial version of the Lab Wizard tool. You
will not be able to save your UDL file. See the sample UDL simulation called
"cation anion reaction" in the catan.udl file
Model ChemLab 1.1d for Windows 95, NT and Win32s
Includes Acid-Base Titration, Fractional Crystallization, Specific
Heat, Gravimetric and Volumetric Analysis
- Download the file chem11d.zip into an empty directory on your
hard disk.
- Unzip chem11d.zip in that directory (ChemLab will require about 1MB of disk space).
- Run chemlab.exe from windows
- When ChemLab starts pick a simulation module to load from the simulation dialog-box.
- Read the lab introduction in the introduction text window. The introduction will explain
the basic science behind the lab. After reading the lab introduction read the procedure.
- Select the procedure tab above the text window. Then perform the lab following the steps
in the procedure. While performing the procedure you can record your observations in the
observation text window, these will be saved in the ChemLab file.
ChemLab 1.1 User's Guide - Word 6.0 format uguide.zip
Model ChemLab 1.0 for Windows 3.1x
- Download the file chemlab.zip into an empty directory on your
hard disk.
- Unzip chemlab.zip in that directory (ChemLab will require about 670K of disk space).
- Run chemlab.exe from windows
- Read the help file (from menu or lab manual button) on using ChemLab.
- To perform the Fractional crystallization lab select it from the experiment menu and
select the lab manual and follow instructions.
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