| 摘要 |
The present invention discloses the method for cleaning a medical instrument using a treatment liquid, wherein the treatment liquid contains: (A) an alkanolamine in an amount of 0.004 to 1% by mass, (B) a nonionic surfactant in an amount of 0.002 to 1% by mass, (C) a polyhydric alcohol in an amount of 0.004 to 10% by mass, (D) an alkaline protease in an effective amount, and (E) water, and has a pH of not lower than 9.
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