Unit 4 Learning Aim C Year 12 L3 BTEC Applied Science
Assignment 4C
Introduction
In this assignment, I will be testing for purity of the aspirin made in the lab and skillful
techniques I used when doing so .I will be discussing how reliable the methods I used
were and the apparatus are in testing purity. Comparing methods and techniques of
preparation of Aspirin in a lab and industrial preparation. I will discuss how well both
applications ( industrials and laboratory applications) are suitable with their methods,
equipment and techniques in preparing Aspirin. Carry out calculations on yield and
purity of a solid and what factors could have contributed to how pure the sample made
in the lab was and where the errors could have occurred in either my methods,
techniques, equipment used, transport of chemicals, or washing of impurities. This will
then be discussed and analysed on how it is done on an industrial scale
Ways organic compounds are made
An organic solid is a chemical compound composed of two or more elements that is a
solid when at room temperature. There are multiple ways that organic compounds can
be made.
Examples of this would be:
● Spray drying
● freeze drying
● Filter pressing
The spray drying technique is often used to produce dry powder often to make tablets.
An example of a tablet made from this technique ould be aspirin.
What is Aspirin?
Aspirin is a pain relief drug sold over the counter. It is for everyday headaches , period
pains , tooth aches. They can also treat cold and flu symptoms by bringing down a high
temperature. Aspirin is made out of chemical synthesis of acetylsalicylic which is made
of acetylation and salicylic acid and which belongs in a group called NSAIDs.In Acient
history herbal medicine has used salicylic acid , this natural substance is related to
aspirin since it contains a synthetic version of salicylic acid as it comes from the bark
and willow leaves of popular trees. Egyptians used willow leaves to treat joint pain and
, Unit 4 Learning Aim C Year 12 L3 BTEC Applied Science
inflammation , they recommended the extract of willow bark for fevers , pain and for
child birth. More societies who used this remedy were the Ancient Chinese , Roman and
Native Americans.
Salicylic acid is a benzene ring with a group of phenol (HO) and with Carboxylic acid
(COOH) group. The birth of the synthetic making of aspirin was by a German chemist
called Friedrich Bayer and Co , concentrated on the phenol group and managed to
acetylate the phenol. Salicylic acid is very important as it is the main chemical involved
in the making of aspirin.
Symbol equation of Aspirin
Image of Aspirin
Image of Acetic Anhydride
, Unit 4 Learning Aim C Year 12 L3 BTEC Applied Science
Risk Assessment for the making of aspirin
This risk assessment ensures the safety of the experiment.
Label Amount required Hazard information
Salicylic Acid 2g Can cause serious eye
damage. Is not to be
swallowed wear eye
goggles.
Acetic Acid 4g Can cause severe skin
burns and eye damage ,
make sure to wear eye
goggles and lab coats
Glass equipment Beakers Glass equipment can
break and cause cuts.
Keep equipment away
from the edge.
Safety rules
Assignment 4C
Introduction
In this assignment, I will be testing for purity of the aspirin made in the lab and skillful
techniques I used when doing so .I will be discussing how reliable the methods I used
were and the apparatus are in testing purity. Comparing methods and techniques of
preparation of Aspirin in a lab and industrial preparation. I will discuss how well both
applications ( industrials and laboratory applications) are suitable with their methods,
equipment and techniques in preparing Aspirin. Carry out calculations on yield and
purity of a solid and what factors could have contributed to how pure the sample made
in the lab was and where the errors could have occurred in either my methods,
techniques, equipment used, transport of chemicals, or washing of impurities. This will
then be discussed and analysed on how it is done on an industrial scale
Ways organic compounds are made
An organic solid is a chemical compound composed of two or more elements that is a
solid when at room temperature. There are multiple ways that organic compounds can
be made.
Examples of this would be:
● Spray drying
● freeze drying
● Filter pressing
The spray drying technique is often used to produce dry powder often to make tablets.
An example of a tablet made from this technique ould be aspirin.
What is Aspirin?
Aspirin is a pain relief drug sold over the counter. It is for everyday headaches , period
pains , tooth aches. They can also treat cold and flu symptoms by bringing down a high
temperature. Aspirin is made out of chemical synthesis of acetylsalicylic which is made
of acetylation and salicylic acid and which belongs in a group called NSAIDs.In Acient
history herbal medicine has used salicylic acid , this natural substance is related to
aspirin since it contains a synthetic version of salicylic acid as it comes from the bark
and willow leaves of popular trees. Egyptians used willow leaves to treat joint pain and
, Unit 4 Learning Aim C Year 12 L3 BTEC Applied Science
inflammation , they recommended the extract of willow bark for fevers , pain and for
child birth. More societies who used this remedy were the Ancient Chinese , Roman and
Native Americans.
Salicylic acid is a benzene ring with a group of phenol (HO) and with Carboxylic acid
(COOH) group. The birth of the synthetic making of aspirin was by a German chemist
called Friedrich Bayer and Co , concentrated on the phenol group and managed to
acetylate the phenol. Salicylic acid is very important as it is the main chemical involved
in the making of aspirin.
Symbol equation of Aspirin
Image of Aspirin
Image of Acetic Anhydride
, Unit 4 Learning Aim C Year 12 L3 BTEC Applied Science
Risk Assessment for the making of aspirin
This risk assessment ensures the safety of the experiment.
Label Amount required Hazard information
Salicylic Acid 2g Can cause serious eye
damage. Is not to be
swallowed wear eye
goggles.
Acetic Acid 4g Can cause severe skin
burns and eye damage ,
make sure to wear eye
goggles and lab coats
Glass equipment Beakers Glass equipment can
break and cause cuts.
Keep equipment away
from the edge.
Safety rules
