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  • #: 150779
  • Price: free ($0.00) In Apple Store
  • Category: Education
  • Updated: 2015-10-12
  • Current Version: 0.9.23
  • 0.9.23
  • Size: 4.90 MB
  • Language: English, German
  • Seller: Klaus Boldt
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.0 or later.
  • © Klaus Boldt
  •  Add to Favorite apps



Insensitive simulates the quantum mechanical models that are used to describe the nuclear magnetic resonance (NMR) experiment. The vector model, density matrix and product operators of an ensemble of up to four spins-1/2 and two spin types are visualized. Each step from the first radiofrequency pulse to the acquisition of the spectrum can be manipulated. Features include selective pulses, weak and strong coupling, dipolar relaxation, gradients, cartesian and spherical product operator basis, phase correction, pulse sequence recording and a comprehensive tutorial.

To make full use of this app a basic knowledge of quantum mechanics as well as a textbook on NMR is recommended.

Check out the free Mac OS X version of Insensitive at http://www.chemie.uni-hamburg.de/nmr/insensitive, which includes the capability to acquire 2D spectra.

If you like Insensitive, please rate it. If you experience problems, please contact me. You can also like Insensitive on Facebook and get news about forthcoming releases.

Insensitive is and will remain free. If you like the app and would like to support its development, please consider buying my app "Song Quiz".

What's New in Version 0.9.23

Bugfixes for iOS 9

View iPhone screenshots | View iPad screenshots

iPhone Screenshots

Insensitive iPhone Screenshot 1
Insensitive iPhone Screenshot 2
Insensitive iPhone Screenshot 3
Insensitive iPhone Screenshot 4

iPad Screenshots

Insensitive iPad Screenshot 1
Insensitive iPad Screenshot 2
Insensitive iPad Screenshot 3
Insensitive iPad Screenshot 4
Insensitive iPad Screenshot 5

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The information may be outdated (2017-03-08 02:41:38). For actual information go to iTunes

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