Catalog: Sodium determination by direct potentiometry made easy with Metrohm's two Na ISE | |
| direct measurement the determination of sodium with the sodium ise is a ... selective rapid accurate and favorably-priced method as is the case for all ion- ... sample solution however the influence of possible interfering ions must be taken ... information about the ionic strength of the solution is normally not available ... means that the activity coefficient of the measuring ion is not known as a ... the normally required concentration of the respective ion however in such ... work is carried out with a solution of fixed ionic strength both the ... the sample are treated with a solution of high ionic strength a so-called isa or ... the standard addition method its range of application is widespread the electrode ... for measurements in a wide range of matrices from waste water up to urine ... | |
