Assessor's comments BTEC Level 3 Subsidiary Diploma in Assessor Qualification Mrs N Turner-Smith Applied Science name Unit 4; Scientific Practical Unit number and Learner Techniques. title name 4.1 Analytical Techniques Criteria To achieve the criteria the evidence must show that the learner is Achieved? reference able to: Demonstrate the use of quantitative and qualitative techniques. P1 Ensure accuracy in both quantitative and qualitative analysis. Aspects M1 of good volumetric technique should be discussed and the need to avoid contamination in the spot tests explained. Be critical of the way they carried out the They should D1 practical’s. explain the consequence of particular errors in technique, e.g. not mixing solutions, overshooting the endpoint, not cleaning the wire properly in flame tests. They may also justify improvements to the methods given to carry out the practical. Learner feedback Assessor feedback Assessor signature Date Learner signature Date
Assessor's comments Qualification BTEC Level 3 Subsidiary Diploma in Applied Science Assessor name Mrs N Turner-Smith Unit number and title Unit 4; Scientific Practical Techniques. 4.1 Analytical Techniques Learner name Criteria reference To achieve the criteria the evidence must show that the learner is able to: Achieved? P1 Demonstrate the use of quantitative and qualitative techniques. M1 Ensure accuracy in both quantitative and qualitative analysis. Aspects of good volumetric technique should be discussed and the need to avoid contamination in the spot tests explained. D1 Be critical of the way they carried out the practical’s. They should explain the consequence of particular errors in technique, e.g. not mixing solutions, overshooting the endpoint, not cleaning the wire properly in flame tests. They may also justify improvements to the methods given to carry out the practical. Learner feedback Assessor feedback Assessor signature Date Learner signature Date
4.1_analytical_techniques_assignment_brief.docx