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  • Preanalytical 0

    Drying, Extraction, Grinding...

  • NMR 1

    NMR and its spectrum

  • MS 0

    Mass and its spectrum

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  • Metabolomics 0

    All general questions

  • Chromatography 1

    Isolation and analysis

  • Statistics and MVDA 0

    Application and suggestion

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  • Biotechnology 0

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  • Others 3

    Anything else?

  • Chemicals ordered 4

    Recently ordered chemicals by NPL

Most Popular Questions
  • Can liquid sustain liquidity even below freezing point?

    September, 11 2012

    Yes it's possible by supercooling phenomenon. 

    Please have a look at:

    http://en.wikipedia.org/wiki/Supercooling

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  • How to easily do recrystalization?

    September, 11 2012

    The general method is:

     

    For structure elucidation we need pure compounds but even after column chromatography the purity is not enough. Thus, everyone wants to try 'Recrystalization' once the amount and purity is above...

    read more...
  • Galactose

    September, 13 2012

    100g, Inda

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