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DISTINCTION - BTEC Applied Science Unit 6 LA B: Produce a plan for an investigative project based on the proposal. Vitamin C concentrations in lemon, orange and grapefruit juice.€14,11
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DISTINCTION - BTEC Applied Science Unit 6 LA B: Produce a plan for an investigative project based on the proposal. Vitamin C concentrations in lemon, orange and grapefruit juice.
DISTINCTION level BTEC Applied Science Unit 6 LA B: Produce a plan for an investigative project based on the proposal. Vitamin C concentrations in lemon, orange and grapefruit juice.
Unit 6 LA B Preliminary Testing & Assessment Record name
Aim/Introduction: In this report, I am going to produce a plan for an investigative project
based on the proposal.
Working plan:
Date Activity Outcome
02/12/2021 Research for different types of citrus I chose oranges, lemons and
fruits that I can use for the experiment. grapefruit as they are always
available and it is easy to squeeze
the juice out. I did not choose lime
because it is an alkaline material.
06/12/2021 Look up for the methods and the I have researched different methods
equipment that I would need for the and equipment lists and chose the
experiment and write a method and one that it would be possible for me
equipment list of the project. to do and another different method
to compare them.
08/12/2021 Research the risks and hazards of the I used my knowledge and research
different equipment needed and make to make the risk assessments. I
risk assessments of both methods by chose the titration method as it has
looking . less risks HPLC chromatography.
11/01/2021 Write the equipment list, method that I My teacher sent the equipment list
am going to use and risk assessment of to the technician to prepare the
the experiment in a document and log equipment.
send it to my teacher. Constrain: I might
need more conical flasks and pipettes.
17/01/2022 Get the fruits. The oranges and lemons were easy
to find but the grapefruits were hard
to find as they were not available in
most of the grocery shops.
18/01/2022 Make the juices and carry out the Was not successful as I did not filter
preliminary testing. the juices before putting them into
Contingency: Repeat the practical again the burette.
the next lesson and bring the juices
already squeezed and filtered from
home.
20/01/2022 Repeat the preliminary testing. I It was successful as the pulp of the
squeezed and filtered the juices at home fruit did not block the burette.
as I did not have enough time.
21/01/2022 Create a table of the results of the I did not get to have a mean value
practical and analyse the results and as I did not have enough time to
compare the amount of vitamin C in carry out the experiment 3 times.
each fruit.
23/01/2022 Write up all the changes needed to the Updated the risk assessment,
equipment list and method. method and equipment list so the
experiment goes better the next
time.
1
, Unit 6 LA B Preliminary Testing & Assessment Record name
30/01/2022 Get all the fruits to do the experiment. It was easy to find all of the fruits.
01/02/2022 Squeeze and fiter the juices in the Squeeze and filter them in the
morning. morning, so it will be fresh and the
outcome data will be more accurate.
01/02/2022 Carry out the experiment with the It should be successful as the
updated method and equipment list. And preliminary was successful.
the juices squeezed from home.
Part B.P3, Part B.M3, Part B.D2
Risk assessment:
Hazard Risk Precaution
Broken glassware Can cause cuts in the skin (Flower, Check the glassware before using
2011). it, and place the equipment in the
centre of the table rather than on
the edge. Replace any glassware
that was damaged before use.
Glassware should be handled with
care and precision.
DCPIP Irritating to the skin and eyes; may Wear eye protection and keep it
stain (Student safety sheets 70, n.d.). away from the desk's edge (Student
safety sheets 70, n.d.). In case of an
emergency, quickly wash the skin
and eyes with cold water (Student safety
sheets 70, n.d.).
Scalpel/knife Can cut and puncture the skin and Be careful, cut in a direction away
lead to infection if the blade has from yourself and wear eye
been contaminated (CLEAPSS, 2019). protection (CLEAPSS, 2019).
Liquid spillage Can contaminate the equipment Transfer liquids carefully. After
and if it falls on the floor, someone using the liquids, put them aside
can slip and cause serious and away from the edge of the
injuries. desk. If there are spills, clean it
immediately with tissues or a mop.
Citrus fruits Grapefruit and lemon juices are Make sure the juice does not
acidic (MD, n.d.). Their splashes can splash in the eyes, wear goggles.
be toxic to the ocular surface of
the eye (MD, n.d.).
Part B.P3, Part B.M3
Health and safety:
The chemical used in this experiment (Blue DCPIP 1%) is low hazard. Glassware should be
handled with care, and if any glassware breaks, it should be cleaned up quickly to prevent
the danger of harming someone. Personal Protective Equipment (PPE) should be worn at all
times during the experiment, according to the health and safety issues that should be kept in
mind during the procedure of this practical experiment. Safety goggles are essential to be
worn during this experiment to guarantee that the eyes are protected. Furthermore, any
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