Heating pad
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A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted
An electric heating pad
A sodium acetate heat pad
Sodium acetate
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Sodium acetate is a chemical compound with formula CH3COONa, also abbreviated NaOAc. It is the sodium salt of acetic acid. This salt is colorless, deliquescent, and hygroscopic.
Heating pad
…heat such as the enthalpy change of solution of calcium chloride dissolving. The most common reusable heat pads contain a supersaturated solution of sodium acetate in water. Crystallization is triggered by flexing a small flat disc of notched ferrous metal embedded in the liquid. Pressing the disc releases very…
Sodium acetate
A crystal of sodium acetate trihydrate (length 1.7 centimetres)