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安全情報

説明

Yttrium barium copper oxide (YBCO) is a crystalline compound with important property of high temperature superconductor above the boiling point (77 K) of liquid nitrogen. YBCO is sensitive to air and moisture. Exposures to YBCO have been reported to cause skin irritation, serious eye irritation, and respiratory irritation. Symptoms of systemic copper poisoning may include capillary damage, headache, cold sweat, weak pulse, kidney and liver damage, central nervous system excitation followed by depression, jaundice, convulsions, paralysis, and coma. Death may occur from shock or renal failure. Chronic copper poisoning is typified by hepatic cirrhosis, brain damage and demyelination, kidney defects, and copper deposition in the cornea as exemplified by humans with Wilson s disease. It has also been reported that copper poisoning has led to haemolytic anaemia and accelerates arteriosclerosis.