... ion exchange to high desalination Lab low organics type ultrapure water machine (30L/h single stage RO)Characteristics1,Microcomputer ... water quality in real time.3,Full automatic complete machine sterilization.4,Print water quality in real time (optional ... AES,buffer solution, High-purity standard solutions,quantitative analysis of microelement/toxicity test, race mineral analysis, HPLC,TOC analysis ...