CHM421 Analytical Chemistry Assignment Example UiTM Malaysia

The course aims to give you a solid understanding of the theory behind analytical chemistry. You’ll learn how concepts are defined, principles applied and problems solved through experiments with analysis lab exercises that test your knowledge of both qualitative & quantitative problem-solving skills as well as writing laboratory reports analyzing data collected in fascinating ways. Real-world examples are used to connect theory with practice.

This course is perfect for those who wish to study analytical chemistry at an advanced level or for those who need it as a prerequisite for further studies in related areas.

You’ll cover topics such as:

• Types of chemical reactions and their equations
• How to set up and carry out acid-base, precipitation, complexation and oxidation-reduction titrations
• How to use spectroscopic methods, chromatographic techniques and electrochemical methods for analysis
• Statistical data analysis
• The principles of quality control and assurance in analytical laboratories
• Laboratory safety
• How to write formal reports
• How to use computers for data analysis

This course is jointly offered by the Chemistry and Physics departments. If you’re interested in both subjects, you can study them together as a double major.

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Assignment Brief 1: Describe the functions of laboratory apparatus, standard laboratory techniques as well as the principles involved in sampling and preparing laboratory samples.

There are many different types of laboratory apparatus, each with its specific function. Some common types of apparatus include beakers, flasks, pipettes, and test tubes. Standard laboratory techniques involve using these pieces of equipment to accurately measure and mix chemicals and samples.

When taking samples from a larger batch, it is crucial to maintain the integrity of the original material as much as possible. This can be done by using sterilized tools and ensuring that the containers used are clean and free of contaminants. Samples should also be homogenized to ensure that they are representative of the larger batch. This is especially important when performing tests that require small amounts of material, such as when doing genetic studies.

Preparing laboratory samples can be a complex process, depending on the type of material and the desired result. In general, however, samples need to be transferred to clean containers, properly labelled, and stored in a way that maintains their integrity. For example, biological samples should be kept refrigerated to prevent degradation. It is also important to take into account the shelf life of the material being sampled, as some substances can degrade over time.

Assignment Brief 2: Explain the principles and applications of volumetric, gravimetric and basic chromatography analyses to solve the reliability of experimental data.

Volumetric analysis is a method of measuring the amount of a substance in a liquid sample. The concentration of the substance in the sample is determined by its volume. This type of analysis is used to determine the purity of a compound or to quantitate it. 

Gravimetric analysis is a method of measuring the amount of a substance in a solid sample. The concentration of the substance in the sample is determined by its weight. This type of analysis is used to determine the purity of a compound or to quantitate it. 

Chromatography is a technique used to separate and identify compounds in solution. There are many different types of chromatography, but all rely on differential migration rates for different substances to achieve separation. This type of analysis is used in many different fields, including forensics, environmental science, and pharmaceuticals. 

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Assignment Brief 3: Describe the functions of laboratory apparatus, standard laboratory techniques as well as the principles involved in sampling and preparing laboratory samples. 

Laboratory apparatus is used to perform various scientific experiments and tests. Standard laboratory techniques involve the use of specific instruments to measure, analyze, and observe different phenomena.

A principle involved in sampling and preparing laboratory samples is the need to avoid contamination. Contamination can occur when unwanted material or substances are introduced into a sample, which can affect the accuracy of the results. To avoid contamination, it is important to take precautions such as using clean materials and taking measures to prevent dust or other particles from entering the sample.

Another principle involved in sampling and preparing laboratory samples is the need to be representative of the population. A representative sample is one that accurately reflects the characteristics of the population from which it is drawn. To ensure that a sample is representative, it is important to use a method of selection that randomizes the selection process. This will help to avoid bias in the sample.

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