| 摘要 |
PROBLEM TO BE SOLVED: To minimize the wear of a probe tip and cleanly remove a foreign matter in a short time. SOLUTION: This cleaning method for probe comprises heating a mixture of 70-95% water and 30-5% sulfuric acid in a temperature range of 50-85 deg.C, and dipping at least the tip of a probe arranged on a support body in the heated mixture. Accordingly, a foreign matter as rubbing dust adhered to the tip is dissolved and extinguished in a short time, but the tip is not dissolved.
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