Recent content by w.shockley

  1. W

    What is the best notebook for scientists to document their research?

    Do you suggest A4 or A5, wirebound or not ?
  2. W

    What is the best notebook for scientists to document their research?

    I don't like the notebooks they have in the stockroom. They are ugly.
  3. W

    What is the best notebook for scientists to document their research?

    Yes of course you use notebooks to write the parameters of your experiments. Actually you should put the results of your experiments as well in your legally bonded notebook, otherwise you cannot claim you had any result... anyway tho was. this was not the point of the post. I don't think you...
  4. W

    What is the best notebook for scientists to document their research?

    What's the most common type of notebook that scientists use? I am not talking about the laboratory notebook (which is also a little bit outdated as now all the data are digital and it is quite time consuming to print out the results and put it in the notebook..), but the notebook where...
  5. W

    Field effect transistors question

    Your question is confusing...
  6. W

    Field effect transistors question

    The 2D semiconductor IS the channel.
  7. W

    Laboratory Book: how do you organize it?

    Yes, indeed. I really like it!
  8. W

    Laboratory Book: how do you organize it?

    http://www.amazon.com/dp/B009YW9OAM/?tag=pfamazon01-20 :bugeye:
  9. W

    Laboratory Book: how do you organize it?

    PhD student. Usually PhD students carry out different projects. My own lab book.
  10. W

    Laboratory Book: how do you organize it?

    This topic is for researchers/PhD students. How do you organize your own lab book? i.e. in the case you have different projects, do you organize your day experiments chronologically or by project? Which format do you prefer? ruled, squared, a4, a5...etc.
  11. W

    Absorption with UV/VIS spectrometer

    maybe the problem is a confusion between Absorption and Absorbance. If I got it, Absorption is 1-T and Absorbance is log(1/T) in base 10. Probably the machine give Absorbance, that goes from 0 to infinity, and it display it only from 0 to 10. Is it usual?
  12. W

    Absorption with UV/VIS spectrometer

    on the machine I read a value for A, from 0 to 10. What does it mean? does 10 correspond to 100%? Is it correct to do this?: A from machine = 1, that means 10 % for me. Then A=alpha*length*C 10=alpha*lenght*C -> C=... I assume that alpha it was calculated assuming A ranging from 0 to...
  13. W

    Absorption with UV/VIS spectrometer

    thank you. when I multiply the spectrum of the diluted solution, the absorbance is higher than the maximum (1). how is it possible?
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