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zychen85

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[求助] EC除水后变色 EMC除水后纯度降低

生产中发现EC多次反复循环除水后,色度变高很大 从10左右变到100以上  另外EMC 多次反复循环除水后 纯度从4个9降到2个9  不知道大家有没有遇到类似的问题,是什么原因导致的呢  一直没弄明白(PS:混合溶剂包反复循环除水未发现色泽异常)
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