... certificate 4)USA ASTM NCCL CAP standard Application HPLC,IC,ICP-MS,CF-AAS Phtsics, electrochemical and interface research ... -Self-maintenance of the reverse osmosis membrane *Save space, the tank is built-in the system *The system recirculates water when the system is not in ... pack, you'll see at a glance what is need *For ease-of use,the main purification technologies are contained in an innovative ...