Physical Laboratory Techniques Overview

Research Materials & Procedures: Physical Laboratory Techniques

• This presentation covers techniques and procedures used in the physical laboratory.
• The presentation includes an energizer, introduction, background information, example studies, and a mini-game/quiz.
• The members of Group 6 are Ameerah Raymundo, Marteena Yago, Elaine Bonita, Sarah Coraza, Morgan Yu, and Angel Sicat.

What is Physical Laboratory Techniques?

• Physical laboratory techniques are methods, procedures, and sets of instructions used in physical and experimental sciences.
• Techniques often focus on measuring physical properties of substances, such as density and temperature.
• Separation techniques for mixtures are typically part of physical lab techniques.

Background Information

• Physical lab procedures manipulate substances without altering chemical structures.
• Focus is on measuring physical properties like density and temperature.
• Common methods include filtration, chromatography, distillation, and centrifugation.

Basic Physical Laboratory Techniques

• Techniques and tools used in physical laboratory contexts are discussed.

Weighing

• Weighing is the process of identifying the heaviness of an object.
• Various tools, like balances and scales, ascertain the force of gravity on an object.
• Types of weighing scales include analytical balances, equal arm balances, platform scales, top-loading balances, triple-beam balances, and ultra-micro balances.

Filtration

• Filtration separates solids from liquids or gases.
• A filter medium passes certain substances while blocking others.
• Used in lab to purify samples or remove unwanted components from mixtures.

Chromatography

• Chromatographic techniques allow for the separation, identification, and purification of components in a mixture.
• Uses interaction differences between components.
• Types: Thin layer, column, and paper chromatography.

Centrifugation

• A mechanical method using centrifugal force to separate mixture components based on density.
• High-speed spinning causes denser substances to move outwards and lighter ones to stay in the center.
• Effectively isolates cells, sediments, or particles in solutions.

Distillation

• Distillation separates liquid mixtures based on different boiling points.
• Heats a mixture to vaporize the components which evaporate then condense to separate liquids.
• Purifies the resultant liquid.

Materials Used in Physical Laboratory Techniques

• Includes items such as centrifuges, chromatography columns, burettes, micropipettes, balances, thermometers, and pipettes.

Materials Review

• Centrifuges are laboratory or industrial devices that use centrifugal force to separate mixture components based on density.
• Chromatography columns are cylindrical devices that contain a stationary phase for separating substances.
• Burettes are laboratory tools for accurate liquid measurements and dispensing.

Measurement Tools

• Burettes, micropipettes, triple/double beam balances, thermometers, and pipettes are discussed as important measurement tools.

Mini Review Game and Quiz

• Practice questions that assess knowledge of the information covered in the presentation.

This quiz provides an overview of physical laboratory techniques and procedures essential for experimental sciences. It covers methods for measuring properties of substances and separating mixtures, along with example studies and an engaging mini-game. Ideal for understanding the practical applications of physical laboratory methods.