√ Acid-Base Indicators: Definition, Types and Examples
Acid Base Indicators: Definition, Types and Examples - On this occasion About Knowledge will discuss Acid Base Indicators. This discussion explains the meaning of acid-base indicators, their types and examples briefly and clearly. For more details, please see the article about acid-base indicators below.
Acid Base Indicators: Definition, Types and Examples
An acid-base indicator is a complex compound that can react with acid-base compounds. This will cause a certain reaction to occur when there is an acid and base solution, giving it a certain color.
From this indicator it will be known whether there are acidic or basic properties. This indicator can also be used to determine the strength level of an acid and base.
There are several indicators that are made from natural ingredients, but there are also indicators that are made synthetically in the laboratory. Below are several types of acid-base indicators and examples, including:
Types of Acid Base Indicators
There are several types of acid base indicators that are widely used, including:
Litmus Paper
Litmus paper is the indicator most often used to determine acids and bases. This is because litmus paper is more efficient and practical and the price is more affordable or cheaper. There are 2 (two) types of litmus paper, namely blue litmus and red litmus.
You can find out acid-base compounds using litmus paper by observing the reaction of the solution with the color change on the litmus paper. A basic solution will show the reaction on the paper turns blue, while an acid solution will show the litmus paper red
Alkaline solutions will change the color of red litmus paper to blue, while acid solutions will change the color of blue litmus paper to red. Litmus paper will show a neutral color (salt) without showing any significant changes to the original color of the paper.
Natural Indicator
There are several types of plants that can act as natural indicators, such as mangosteen peel, hibiscus flowers, water henna, purple cabbage, turmeric and baogenvile flowers.
Whether or not a plant can be a natural indicator depends on the color change when the plant extract is dropped into an alkaline or acidic solution.
Indicator Solution
An indicator solution is a type of indicator that can be used to determine the acid-base properties of a compound. This can determine whether or not there are acid-base properties of a substance. Generally, this indicator solution is used in the form of a solution where the nature of the acid or base will be easier to detect.
The indicators that are often used in laboratories include:
- Bromothymol Blue (BTB)
- Phenolphthalein (PP) Indicator Solution
- Methyl Orange (Mo)
- Methyl Red (Mm)
Below are several other pH indicators that are often used in a laboratory. The indicators below will show a change in the color of a solution at a certain pH value.
PH meter
A pH meter is a tool for measuring the pH of a solution quickly and more accurately. In a pH meter there is an electrode that can be inserted into an acid-base solution which will measure the pH value. The pH value can easily be seen directly through the numbers on the digital screen on the pH meter.
Universal Indicator
Universal indicators are indicators that have a high level of confidence. This indicator consists of various indicators with different colors for each pH value between 1 and 14. Universal indicators can be in the form of a solution and some are in the form of paper. There are standard colors for determining pH measurements between 1-14 on universal indicators.
The way to use a universal indicator is to dip the indicator paper into the solution The pH value will be checked or by dropping a universal indicator into the solution detected. The next step is to wait for the color change which will appear on the standard color listed.
That's the explanation about Acid Base Indicators: Definition, Types and Examples, hopefully it can be useful and broaden your insight.
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