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taregg
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same question.
Auto-ignition temperature refers to the minimum temperature at which a substance will spontaneously ignite without an external source of ignition.
Sulfur's auto-ignition temperature is significant because it indicates the temperature at which sulfur can ignite on its own, without the need for an external source of heat or flame. This can be important for safety considerations when handling sulfur.
Sulfur's auto-ignition temperature of 248-266C is relatively high compared to other substances. For example, gasoline has an auto-ignition temperature of about 246C, while paper has an auto-ignition temperature of only about 218C.
Several factors can affect sulfur's auto-ignition temperature, including the purity and form of the sulfur (solid, liquid, or gas), the presence of impurities, and the atmospheric conditions (such as oxygen levels).
Sulfur's auto-ignition temperature is typically determined through laboratory testing, where the substance is heated gradually until it ignites. The temperature at which ignition occurs is then recorded as the auto-ignition temperature.