When it comes to laboratory equipment, understanding the difference between a muffle furnace and an air oven is crucial.
These two pieces of equipment serve different purposes and operate under different conditions.
Let's break down the key differences to help you make an informed decision.
What is the difference between muffle furnace and air oven? 5 Key Points to Know
1. Purpose and Design
A muffle furnace is designed primarily for burning down samples to assess impurities.
An air oven, also known as a hot air oven, is mainly used for dry sterilization, estimating the behavior of test materials after heat treatment, and preparing samples for testing.
2. Temperature Range
A muffle furnace generates high temperatures, with a maximum temperature of 1,473 K (1,200 °C; 2,192 °F).
An air oven operates at lower temperatures compared to a muffle furnace.
3. Heat Source
The heat source for a muffle furnace is a flame from a burner.
An air oven typically uses electric heating elements.
4. Construction
A muffle furnace consists of a metal container that can be fused by heating to high temperatures, with a cylindrical chamber and sliding doors at both ends.
An air oven is usually made of brick or metal.
5. Common Uses
A muffle furnace is commonly used for burning down samples and assessing impurities.
An air oven is commonly used for drying materials in sample preparation, moisture content determinations, and in the kitchen for baking and roasting food.
Continue exploring, consult our experts
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