Abstract
Diaflo ultrafilters have been studied for the fractionation of organic matter in natural water. One method for their use, including pretreatment, is described. The filter retention is not only depending on the weight of the molecule but also on the charge as shown by experiments with dyestuffs and inorganic ions. For pure solutions of phosphate and nitrate the retentions were 77 and 27% respectively. Filter UM 2, with a nominal molecular weight cutoff at 1,000, retained coloured and total organic matter to 94 and 91% respectively. UM 10 (10,000) retained coloured matter to 88%. Through filtrations the binding of calcium to organic in water was found to be 1 to 10%.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
