OCR C7 analysis, chromatography and titrations

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Mind Map on OCR C7 analysis, chromatography and titrations, created by Samina Rashid on 13/01/2014.
Samina Rashid
Mind Map by Samina Rashid, updated more than 1 year ago
Samina Rashid
Created by Samina Rashid about 10 years ago
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Resource summary

OCR C7 analysis, chromatography and titrations
  1. analytical procedures
    1. know the difference between qualitative and quantitative
      1. be familiar with how samples are analysed in the lab
    2. chromatography
      1. what is it?
        1. mobile phase
          1. stationary phase
          2. aqueous and non aqueous solvents
            1. how does it work (dynamic equilibrium)
              1. how does it separate?
                1. using a reference database of materials
                  1. compare paper and thin layer chromatography
                    1. calculate RF value
                      1. locating agents
                    2. gas chromatography
                      1. how it works
                        1. retention time
                          1. interpret results
                        2. titrations
                          1. steps by step procedure
                            1. measure accurately sample volume
                              1. dissolving if needed
                                1. measuring colour change/ volume needed
                            2. concentration is grams per dm3
                              1. how to make a standard solution
                                1. work out concentration from titration results
                                2. degree of uncertainty in results
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