Benzalkonium interference with test methods for potassium and sodium
TR Koch, JD Cook - Clinical chemistry, 1990 - academic.oup.com
Six automated instruments that measure sodium and potassium were tested for interference
from two compounds used in catheters. Tridodecylmethylammonium heparin did not …
from two compounds used in catheters. Tridodecylmethylammonium heparin did not …
Discrepancies between sodium concentrations measured by the Kodak Ektachem 700 and by dilutional and direct ion-selective electrode analyzers
JA Stone, JR Moriguchi, DR Notto, PE Murphy… - Clinical …, 1992 - academic.oup.com
We have identified rare (approximately 0.2% of all samples), but clinically significant,
discrepancies between serum or plasma sodium concentrations measured with the Kodak …
discrepancies between serum or plasma sodium concentrations measured with the Kodak …
[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 …
Automated analyzer for the determination of potassium and sodium in whole blood
RA Durst - Clinica Chimica Acta, 1977 - Elsevier
An automated analyzer for the measurement of potassium and sodium in whole blood has
been developed and evaluated. The sensors used in this instrument are the sodium glass …
been developed and evaluated. The sensors used in this instrument are the sodium glass …
The Technicon RA-1000 evaluated for measuring sodium, potassium, chloride, and carbon dioxide.
RH Ng, M Altaffer, R Ito, BE Statland - Clinical chemistry, 1985 - academic.oup.com
We evaluated the Technicon RA-1000" random-access" analyzer for the measurements of
sodium, potassium, and carbon dioxide by an indirect potentiometric method (ion-selective …
sodium, potassium, and carbon dioxide by an indirect potentiometric method (ion-selective …
Relationship between activity and concentration measurements of plasma potassium
DM Band, J Kratochvil, PAP Wilson, T Treasure - Analyst, 1978 - pubs.rsc.org
An ion-selective electrode incorporating valinomycin in a poly (vinyl chloride) membrane
was used for examining potassium in blood and plasma. Using an electrode cell …
was used for examining potassium in blood and plasma. Using an electrode cell …
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 …
Determination of potassium ion concentration in serum using a highly selective liquid-membrane electrode
LAR Pioda, W Simon, HR Bosshard, HC Curtius - Clinica Chimica Acta, 1970 - Elsevier
A simple method for the direct determination of the K+ concentration in undiluted blood
serum is described. The reproducibility of single determinations using the readings after 60 …
serum is described. The reproducibility of single determinations using the readings after 60 …
Interference from heparin in commercial heparinised tubes in the measurement of plasma sodium by ion selective electrode: a note of caution
SW Mann, A Green - Annals of clinical biochemistry, 1986 - journals.sagepub.com
Method Sodium and potassium concentrations were measured in both whole blood and
plasma from a series of 21 patient samples using a Corning 902 ISE. The difference …
plasma from a series of 21 patient samples using a Corning 902 ISE. The difference …
Errors in determination of potassium in physiological fluids with valinomycin electrodes
DD Koch, JH Ladenson - Analytical chemistry, 1983 - ACS Publications
Sir: Theaccurate determination of potassium for both clinical and research purposes is of
recognized importance. In thepast such determinations were performed by flame …
recognized importance. In thepast such determinations were performed by flame …