Effects of Caustic Soda on the Human Body

Effects of Caustic Soda on the Human Body

?Alkalis have a decomposing effect on proteins, which may gradually penetrate

the deep tissues unless the adhered alkali is completely removed. In particular,

if the eyes are exposed to an alkali, since eye tissue is rapidly affected causing

a lowering or loss of vision, great care should be taken.

?Even a dilute solution can affect the tissue of the skin if it repeatedly comes

into contact with the skin, which may cause dermatitis or chronic eczema.

?If the concentration of the solution is high, the affected tissue rapidly decomposes.

?If the solution is swallowed by mistake, it causes inflammation in the mouth,

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throat, esophagus, or stomach.

?The inhalation of caustic soda dust or mist causes various degrees of injury in

the respiratory tract. Thus, the allowable concentration of caustic soda dust or

mist in the air in a working area is specified as 2 mg/m3 (upper limit).

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