Unit 4 - Laboratory Techniques and their Application
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Summary BTEC APPLIED SCIENCE UNIT 4 ASSIGNMENT B: (DISTINCTION)
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Unit 4 - Laboratory Techniques and their Application
Institution
PEARSON (PEARSON)
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Unit 4 - Laboratory Techniques and their Application
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Introduction
The synthesis of making ethyl ethanoate involves esterification, where acids and alcohols react
to produce an ester. this process includes various steps including reflux distillation and
siwoloboff method which is used to assess its purity. Identifying the ester's purity, it's important
to evaluate its quality and identify any factors that could have affected the desired outcome. The
siwoloboff It is used to assess this substance is purity by determining its boiling point which can
be used to compare with known data. In industries, however, ethyl ethanoate production is
conducted on a larger scale for applications like dry-cleaning products and varnishes. This also
involves testification of ethanol and acetic acid. Industrial production usually uses sizable
equipment and adheres to strict safety protocols. In addition, managing the emission and fumes
from the reactions produced is crucial as larger quantities are released in industries often
through extensive ventilation systems organization's make sure to mitigates inhalation risk for
workers.
Equipment
− Acetic acid (CH3COOH), 17.4M, 12mL
− Distilled water, 5mL
− Ethyl alcohol (Ethanol) 10mL
− Sodium Carbonate 4.5g
− Sulfuric acid, 15 drops
− Beaker, 250ML
− Anti-bumping granules
− Dropper pipette
− Clamps, 2
− Condenser and plastic tubing
− Condenser outlet adapter
− Erlenmeyer flask, 125mL
− Hot plate / Bunsen burner stand
− Round bottom flask, 125mL connectors
− Separatory funnel or test-tube. 18 x 125mm and test tube stopper
, Risk Assessment
Hazard Risk Precaution
Broken Glass Can cause cuts if not Handle broken glass with
handled with care care or avoid keeping
glassware near table
edges
Irritation Can cause skin infection Wear glass and carry
and risk of rashes glassware with chemicals
with care
Bunsen burner Can cause many degrees Keep paper and clothes
of burns if not handles away from the burner so
around fire fire doesn’t get caused
Liquids Can cause one to trip and Keep glassware with
fall due to poor water away from table
edges and if spilled be
careful if spilled and
clean as quick as possible
Acetic acid In vapor form, acetic acid Keep away from edge,
is a severe irritant of the wear PPE (goggles), stay
eyes, mucous cautious of spills
membranes, upper
respiratory tract, and skin
Ethyl alcohol Flammable Keep away from naked
fire
Sodium Carbonate respiratory tract Wear PPE(goggles)
irritation, coughing,
shortness of breath, and
pulmonary edema
Sulfuric acid rapid tissue destruction Keep away from table
and serious chemical edges, wear
burns on contact with the PPE(goggles), stay
skin or eyes cautious of spills
Industry
When it comes to the manufacture and testing of organic solids there are multiple steps that
industries usually take to ensure that their product is of highest purity and yield. He had the
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