Ion-selective electrode determination of sodium and potassium in blood and urine

SAH Khalil, GJ Moody, JDR Thomas - Analytical Letters, 1986 - Taylor & Francis
Abstract The Beckman Electrolyte 2 Analyzer (E2A) has been studied for its response to
sodium and potassium content in various laboratory prepared pH-adjusted mixtures of metal …

Low anion gap.

RL Jurado, C del Rio, G Nassar, J Navarette… - Southern medical …, 1998 - europepmc.org
Background The purpose of this review is to provide a differential diagnosis for a low anion
gap. Methods We describe the anatomy of the anion gap. Also, we follow-up with a review of …

Bicarbonate interference on cobas 6000 c501 chloride ion-selective electrodes

T Schiemsky, I Brandt - Clinical Chemistry and Laboratory Medicine …, 2018 - degruyter.com
Measurement of chloride in plasma is of interest in the assessment of acid-base
disturbances and is essential to calculate the anion gap thereby estimating the amount of …

Use of anion gap for the quality control of electrolyte analyzers

GS Cembrowski, JO Westgard… - American Journal of …, 1983 - academic.oup.com
A simple model for the simulation of patient Na, CO2, Cl, and anion gap was formulated from
patient electrolyte data. Analytical error, either random or systematic, was incorporated into …

Potentiometric measurements of ionized calcium in anaerobic whole blood, plasma, and serum evaluated.

J Wandrup, J Kvetny - Clinical chemistry, 1985 - academic.oup.com
The measurements of ionized calcium and pH in paired samples of anaerobic capillary
whole blood, venous whole blood, venous plasma, and venous serum have been evaluated …

Establishing the direct-potentiometric" normal" range for Na/K: residual liquid junction potential and activity coefficient effects.

JD Czaban, AD Cormier, KD Legg - Clinical chemistry, 1982 - academic.oup.com
The observed reference ranges for sodium and potassium as determined by direct
potentiometry vary from instrument to instrument, depending on the composition of the …

[PDF][PDF] Measurement of serum sodium and potassium with direct ion-selective electrode systems

K Dewitte, D Stöckl, LM Thienpont - Clin Chim Acta, 1999 - academia.edu
In a recent article in this journal, Rodriguez-Garcia et al.[1] reported about transferability of
results for serum sodium and potassium between different analysers. Four of the seven …

Evaluation of the analytical performances of the novel Beckman Coulter AU5800

G Lippi, M Dipalo, R Musa, P Avanzini, C Ferrarini… - Clinical …, 2012 - Elsevier
OBJECTIVES: To assess the analytical performance of Beckman Coulter AU5800. DESIGN
AND METHODS: Imprecision, linearity and comparison studies were performed on 12 …

[引用][C] In Reply: The Apparent Suppression of Na/K Data Obtained with Ion-Selective Electrodes Is Due to Junction Potential and Activity Coefficient Effects, Not …

RL Coleman, CC Young - Clinical Chemistry, 1982 - academic.oup.com
We are pleased to see that Coleman and Young agree with our original exhortation
concerning the need to establish the ranges for sodium and potassium in normal samples …

Response of ion-selective sodium and potassium electrodes in the Beckman Astra 4 and Astra 8 analyzers.

P Fievet, A Truchaud, J Hersant… - Clinical Chemistry, 1980 - academic.oup.com
We tested the response of ion-selective sodium and potassium electrodes that are a part of
the new multi-channel chemical analyzers, Astra 8 and Astra 4 (Beckman). For this we used …