C5.1.4 recall that chromatography involves C12 Chemical 182 a stationary and a mobile phase and that Analysis separation depends on the distribution between the phases C5.1.5 interpret chromatograms, including C12 Chemical 183 calculating Rf values Analysis C5.1.6 suggest chromatographic methods C12 Chemical 183 No mention of for distinguishing pure from impure Analysis aqueous and substances PAG4 non-aqueous Including the use of: solvents or a) paper chromatography locating agents b) aqueous and non-aqueous solvents c) locating agents C5.1.7 describe, explain and exemplify the C1 Atomic structure 8 processes of filtration, crystallisation, simple distillation, and fractional distillation PAG3, PAG7 C5.1.8 suggest suitable purification C1 Atomic structure 8 techniques given information about the substances involved PAG3, PAG7 C5.2 How do chemists find the composition of unknown samples? (separate science only) C5.2.1 describe the purpose of Not explicit in representative sampling in qualitative book analysis C5.2.2 interpret flame tests to identify C12 Chemical 186 metal ions, including the ions of lithium, Analysis sodium, potassium, calcium and copper C5.2.3 describe the technique of using C12 Chemical 186 flame tests to identify metal ions PAG5 Analysis C5.2.4 describe tests to identify aqueous C12 Chemical cations and aqueous anions and identify Analysis species from test results including: PAG5 a) tests and expected results for metal ions in solution by precipitation reactions using dilute sodium hydroxide (calcium, copper, iron(II), iron(III), zinc) b) tests and expected results for carbonate ions (using dilute acid), chloride, bromide and iodide ions (using acidified dilute silver nitrate) and sulfate ions (using acidified dilute barium chloride or acidified barium nitrate) C5.2.5 interpret an instrumental result for C12 Chemical 190 0 emission spectroscopy given appropriate Analysis data in chart or tabular form, when accompanied by a reference set in the same form
C5.1.4 recall that chromatography involves a stationary and a mobile phase and that separation depends on the distribution between the phases C12 Chemical Analysis 182 C5.1.5 interpret chromatograms, including calculating Rf values C12 Chemical Analysis 183 C5.1.6 suggest chromatographic methods for distinguishing pure from impure substances PAG4 Including the use of: a) paper chromatography b) aqueous and non-aqueous solvents c) locating agents C12 Chemical Analysis 183 No mention of aqueous and non-aqueous solvents or locating agents C5.1.7 describe, explain and exemplify the processes of filtration, crystallisation, simple distillation, and fractional distillation PAG3, PAG7 C1 Atomic structure 8 C5.1.8 suggest suitable purification techniques given information about the substances involved PAG3, PAG7 C1 Atomic structure 8 C5.2 How do chemists find the composition of unknown samples? (separate science only) C5.2.1 describe the purpose of representative sampling in qualitative analysis Not explicit in book C5.2.2 interpret flame tests to identify metal ions, including the ions of lithium, sodium, potassium, calcium and copper C12 Chemical Analysis 186 C5.2.3 describe the technique of using flame tests to identify metal ions PAG5 C12 Chemical Analysis 186 C5.2.4 describe tests to identify aqueous cations and aqueous anions and identify species from test results including: PAG5 a) tests and expected results for metal ions in solution by precipitation reactions using dilute sodium hydroxide (calcium, copper, iron(II), iron(III), zinc) b) tests and expected results for carbonate ions (using dilute acid), chloride, bromide and iodide ions (using acidified dilute silver nitrate) and sulfate ions (using acidified dilute barium chloride or acidified barium nitrate) C12 Chemical Analysis C5.2.5 interpret an instrumental result for emission spectroscopy given appropriate data in chart or tabular form, when accompanied by a reference set in the same form C12 Chemical Analysis 190 0
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