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1.Filled in the lab journal inefficiently
  Never work with loose paper and write down clearly in a logical way
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2.Forget to work with replicates
Replicates will give more reliable results.
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3.Took no representative samples
Be sure that you have taken representative sample. Do not forget to stir.
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4.Diluted the samples not enough to be in the range of the calibration curve
Dilute your sample and never extend the calibration curve
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5.Forgot to take a blank account
Never forget when it is necessary to take a blank into account. This can be a reagent or a sample blank.
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6.Had code problems.
Code your samples and write down the meaning of the code in your lab journal.
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7.Did not took the sensitivity of specific compounds into account towards conditions
Be sure that you are performing the experiment at the right conditions.
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8.Was accurate at the wrong moment.
Know when you have to work precisely and when NOT to do this.
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9.Did not evaluate other peoples results directly.
A direct evaluation will let you know if you performed the experiment well. If so, you can on with the next experiment, but if not you can directly perform the experiment again.
10.Did not make estimations of outcomes
Most of the time you can make estimations of your results. This will make evaluation much easier and you can sometimes also left out some experiments in your planning.
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