Direct potentiometric determination of sodium ion in blood. III. Influence of (bi) carbonate.
FB Boink, P Bijster, KL Vink, AH Maas - Clinical chemistry, 1985 - academic.oup.com
We measured the emf of a sodium ion-selective electrode in NaCl-NaHCO3 solutions (160
mmol of Na+, 160-120 mmol of Cl-, and 0-40 mmol HCO3-per liter) with a home-built cell in …
mmol of Na+, 160-120 mmol of Cl-, and 0-40 mmol HCO3-per liter) with a home-built cell in …
Direct potentiometric determination of sodium ion in blood. II. Influence of cations.
P Bijster, KL Vink - Clinical chemistry, 1984 - academic.oup.com
We measured the emf of NaCl solutions (120-160 mmol/L), with and without the addition of
KCl (5-20 mmol/L), CaCl2 (2-8 mmol/L), or MgCl2 (1-4 mmol/L). Measurements were made …
KCl (5-20 mmol/L), CaCl2 (2-8 mmol/L), or MgCl2 (1-4 mmol/L). Measurements were made …
Direct potentiometric determination of sodium ion in blood. I. Potentiometric response in simple sodium chloride solutions.
P Bijster, KL Vink - Clinical chemistry, 1984 - academic.oup.com
We measured the emf of NaCl solutions (120-160 mmol/L) with a home-built cell in steady-
state and with some commercial direct potentiometric analyzers about 20 s after the sample …
state and with some commercial direct potentiometric analyzers about 20 s after the sample …
[引用][C] Evidence for formation of bicarbonate complexes with Na+ and K+ under physiological conditions.
RL Coleman, CC Young - Clinical chemistry, 1981 - academic.oup.com
A previous communication(1) hypothesized that values for serum sodium and potassium ion
concentrations as measured by ion-selective electrode di-rect potentiometry(ISE/DP) should …
concentrations as measured by ion-selective electrode di-rect potentiometry(ISE/DP) should …
[PDF][PDF] Evaluation of an instrument (Nova-1) for direct potentiometric analysis of sodium and potassium in blood and their indirect potentiometric determination in urine.
JH Ladenson - Clinical chemistry, 1979 - Citeseer
Materials and Methods Direct potentiometric analysis of sodium and potassium was done
with an Orion SS/30 sodium/potassium analyzer (Orion Biomedical, Inc., 11 Blackstone St …
with an Orion SS/30 sodium/potassium analyzer (Orion Biomedical, Inc., 11 Blackstone St …
Determination of sodium and potassium with ion-selective electrodes.
N Fogh-Andersen, PD Wimberley, J Thode… - Clinical …, 1984 - academic.oup.com
We compared different sample-handling techniques for measurement of Na+ and K+ with
ion-selective electrodes (ISE). Imprecision was less for venous blood (with a minimum of …
ion-selective electrodes (ISE). Imprecision was less for venous blood (with a minimum of …
[引用][C] The apparent suppression of Na/K data obtained with ion-selective electrodes is due to junction potential and activity coefficient effects, not bicarbonate binding.
JD Czaban, AD Cormier, KD Legg - Clinical chemistry, 1982 - academic.oup.com
Biomedical, Newton, MA) ion-selective electrode type of analyzer relative to that obtained
with flame photometry. They were concerned because their results were in disagreement …
with flame photometry. They were concerned because their results were in disagreement …
Ion effects in measurement of ionized calcium with a calcium-selective electrode.
RA Kaufman, NW Tietz - Clinical Chemistry, 1980 - academic.oup.com
We examined the performance characteristics of an improved electrode for measurement of
ionized calcium (Orion Research, Inc.) with respect to interferences by Na+, K+, Li+, Mg2+ …
ionized calcium (Orion Research, Inc.) with respect to interferences by Na+, K+, Li+, Mg2+ …
[引用][C] More on determination of ionized calcium in blood with ion-selective electrodes.
C Sachs - Clinical chemistry, 1987 - academic.oup.com
As early as the late sixties, we were able to provide such a service with the first syringe-
pump Orion equipment, especially for patients undergoing hemodialysis (2, 3). This success …
pump Orion equipment, especially for patients undergoing hemodialysis (2, 3). This success …
Influence of erythrocytes on direct potentiometric determination of sodium and potassium
P Bijster, HL Vader, CLJ Vink - Annals of Clinical …, 1983 - journals.sagepub.com
We have shown that the sodium concentration in whole blood measured by direct
potentiometry is higher than in plasma. The 'erythrocyte-effect', already described by …
potentiometry is higher than in plasma. The 'erythrocyte-effect', already described by …