... 4)America ASTM NCCL CAP standard Application HPLC,IC,ICP-MS,TOC analysis,organic nanlysis,CF-AAS,Toxicology research, capillary electrophoresis ... pure water unit ♦Automatic micro-computer system, multi-menu operating, ♦Super-large LCD display, the resolution is 240*128, animation mode ... workshopWarehourse ultra pure water unit used in HPLC IC ICP-MS TOC analysis