| 摘要 |
PROBLEM TO BE SOLVED: To provide the processing method of cleaning liquid for cleaning or washing an article to which flux is stuck or cleaning liquid or washing liquid for effectively removing the corruption component of washing liquid. SOLUTION: Cleaning liquid or washing liquid for cleaning or washing the article to which flux is stuck is processed with synthesis zeolite. Thus, the use life of cleaning liquid or washing liquid can be prolonged twice or above.
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