What is a muffle furnace and how is it used in laboratory and industrial applications?
A muffle furnace is a high-temperature heating device commonly used in laboratories and industrial settings for applications such as ashing, sintering, heat treatment, and material testing. It operates by enclosing the sample in a chamber heated by electric coils, keeping the material isolated from combustion by-products or direct flame. This ensures uniform heating and precise temperature control, often reaching up to 1200°C or higher.
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