... : Five polar ring passivity and 316 stainless steel conductivity PoolPool size: ≤ 1.0μlOutput voltage: -5000~5000mv adjustableRange: 10 ... column.5.2 U.S. imports ALLTECH cation column, can carry on betaine, Li +, Na +, NH4 +, K +, Mg2 +, Ca2 +, Sr2 +, Ba2 +, ... regeneration of anion micro-membrane suppressor, not-for-acid, on-line automatic regeneration, uninterrupted use, simple operation and long ...