Unit 2- Practical Scientific Procedures and Techniques
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PEARSON (PEARSON)
Unit 2 of the Level 3 Applied Science Foundation Diploma features four comprehensive assignments that delve into essential scientific principles across biology, chemistry, and physics. These assignments provide an in-depth understanding of theoretical concepts through practical experiments, equippi...
Unit 2- Practical Scientific Procedures and Techniques
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LEARNER ASSESSMENT SUBMISSION AND DECLARATION
When submitting evidence for assessment, each learner must sign a declaration confirming that the
work is their own.
Learner name: Assessor name:
Issue date: Submission date: Submitted on:
Programme: Pearson BTEC L3 Nat. Foundation Diploma in Applied Science
Pearson BTEC L3 Nat. Extended Certifi cate in Applied Science
Pearson BTEC L3 Nat. Extended Diploma in Applied Science
Unit: Unit 2: Practical Scientific Procedures and Techniques
Assignment reference and title:
2.C: Separate to identify
Please list the evidence submitted for each task. Indicate the page numbers where the evidence can be
found or describe the nature of the evidence (e.g. video, illustration).
Assignment Evidence submitted (for the Assessment Criteria) Page
task numbers or
reference description
P5 Correctly use chromatographic techniques to produce
chromatograms.
P6 Explain the use of chromatographic techniques to
separate mixtures.
Analyse own chromatograms and relate the factors
M3 that affect the separation of mixtures to the quality of
results obtained.
D3 Evaluate the chromatographic techniques used in
relation to outcomes and suggest improvements.
Additional comments to the Assessor:
Learner declaration:
I certify that the work submitted for this assignment is my own. I have clearly referenced any
sources used in the work. I understand that false declaration is a form of malpractice.
Learner signature: Date:
, BTEC Assignment Brief (NQF)
Pearson BTEC L3 Nat. Foundation Diploma in Applied Science
Qualification Pearson BTEC L3 Nat. Extended Certifi cate in Applied Science
Pearson BTEC L3 Nat. Extended Diploma in Applied Science
Unit number and title Unit 2: Practical Scientific Procedures and
Techniques
Learning aim(s) (For NQF C: Undertake chromatographic techniques to
only) identify components in mixtures.
Assignment title 2.C: Separate to Identify
Assessor
Issue date
Hand in deadline
You are a newly appointed technical assistant at a large
chemical plant, Chemcalequip. As part of your induction
period and to progress in your role, you have to demonstrate
skills in a range of practical procedures and techniques. The
Vocational Scenario or company is often required to identify substances.
Context You need to demonstrate that you can carry out different
chromatographic techniques to separate and identify
components in mixtures. In a report of the techniques you
have used, you will need to explain the techniques, analyse
and evaluate your results and suggest improvements.
Task 1 Evaluate the chromatographic techniques you have
used in relation to the outcomes.
Demonstrate safe working practices and a high level of
proficiency when using the following chromatography
techniques;
paper chromatography of extracted plant pigments
Thin layer chromatography, TLC, of extracted plant
pigments
paper chromatography of amino acids.
Repeat any separations where you can justify a lack of
satisfaction with the quality of the separation obtained.
Produce a report to include :
an evaluation and analysis of the links between the
chromatography techniques used and the
chromatograms produced.
conclusions about the components and their effect on
separation leading to the results obtained.
results from the paper chromatography and TLC of
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