The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!
From the Wiki University
What evidence can you provide to prove your understanding of each of the following citeria?
Prepare solutions
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Select appropriate procedure for solution preparation Completed |
Evidence:
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Select equipment, materials and solvent of specified purity Completed |
Evidence:
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Measure appropriate quantities of reagents for solution preparation and record data. Completed |
Evidence:
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Select and assemble specified laboratory equipment and appropriate grade of glassware Completed |
Evidence:
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Perform specified dilutions Completed |
Evidence:
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Prepare solutions to achieve homogeneous mix of the specified concentration Completed |
Evidence:
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Label and store solutions to maintain identity and stability Completed |
Evidence:
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Standardise and use volumetric solutions
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Assemble appropriate laboratory equipment Completed |
Evidence:
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Perform serial dilutions as required Completed |
Evidence:
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Standardise the solution to the required specified range and precision Completed |
Evidence:
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Label and store solutions to maintain identity and stability Completed |
Evidence:
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Use standard volumetric solutions to determine concentration of unknown solutions Completed |
Evidence:
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Calculate and record data
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Calculate specified concentrations Completed |
Evidence:
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Use authorised procedure if data is to be modified Completed |
Evidence:
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Estimate and document uncertainty of measurement in accordance with enterprise procedures, if required Completed |
Evidence:
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Record all relevant details according to laboratory procedures and report results Completed |
Evidence:
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Report concentration with appropriate units Completed |
Evidence:
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Monitor the quality of laboratory solutions
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Check solutions for visual deterioration and expiry date Completed |
Evidence:
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Restandardise or dispose of dated or deteriorated solutions Completed |
Evidence:
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Record details and label solutions according to laboratory procedures Completed |
Evidence:
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Maintain a safe work environment
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Use established safe work practices and personal protective equipment to ensure personal safety and that of other laboratory personnel Completed |
Evidence:
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Clean up spills using appropriate techniques to protect personnel, work area and environment Completed |
Evidence:
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Minimise generation of waste and environmental impacts Completed |
Evidence:
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Ensure the safe collection of laboratory and hazardous waste for subsequent disposal Completed |
Evidence:
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Store equipment and reagents as required Completed |
Evidence:
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