Abstract
A procedure for the determination of calcium in natural waters is presented which is faster, more precise, and more accurate than those previously described. Photometric weight titration with ethylenediamine‐tetraacetate ion in the presence of ammonium purpurate is employed following isolation of the calcium by ion‐exchange chromatography. Calcium is separated from magnesium and strontium by the use of acetylacetone as a complexing elutant.Samples of sea water from the Bahamas region were examined by this procedure, and good agreement was found with reported values determined by the classical triple oxalate procedure. The calcium content is one per cent higher than that which would be expected from the accepted calcium‐chlorinity ratio. In addition, samples from the Chesapeake Bay indicate that the sea water source for this region has a greater calcium content than would be expected from the accepted calcium‐chlorinity ratio for sea water.
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.
