Activity and interference effects in measurement of ionized calcium with ion-selective electrodes.
JM Grima, MJ Brand - Clinical chemistry, 1977 - academic.oup.com
We assessed the magnitude of the errors in ionized-calcium measurements resulting from
changes in electrolyte composition for three different ion-selective electrodes: the Orion …
changes in electrolyte composition for three different ion-selective electrodes: the Orion …
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+ …
Aqueous and serum-based materials compared for use as simulated calibrators for three ionized calcium analyzers.
J Toffaletti, C Bird, C Berg, B Abrams - Clinical chemistry, 1986 - academic.oup.com
To determine if bias between different ionized calcium analyzers could be decreased, we
analyzed 10 control fluids during a study in which ionized calcium was measured in more …
analyzed 10 control fluids during a study in which ionized calcium was measured in more …
Preparation of material to control precision of calcium selective electrodes
JA Fyffe, AS Jenkins, CJ Bolland… - Annals of Clinical …, 1981 - journals.sagepub.com
A simple procedure is described for the preparation of a stable precision quality control
material for use in the measurement of levels of ionised calcium in serum at or near the …
material for use in the measurement of levels of ionised calcium in serum at or near the …
A source of error with the calcium-specific ion electrode. Solvent effects in aqueous solution
RG Burr - Clinica Chimica Acta, 1973 - Elsevier
Interference with the function of the Orion serum calcium-specific ion electrode was found to
result from the presence of 10− 4 to 10− 2 mole/l of a variety of organic bases and other …
result from the presence of 10− 4 to 10− 2 mole/l of a variety of organic bases and other …
Ionized calcium in normal serum, ultrafiltrates, and whole blood determined by ion-exchange electrodes
EW Moore - The Journal of clinical investigation, 1970 - Am Soc Clin Investig
Ion-exchange calcium electrodes represent the first practical method for the direct
measurement of ionized calcium [Ca++] in biologic fluids. Using both “static” and “flow …
measurement of ionized calcium [Ca++] in biologic fluids. Using both “static” and “flow …
[引用][C] Higher values for ionized calcium with a new type of electrode for Orion SS-20.
S Ohman, L Larsson - Clinical chemistry, 1978 - academic.oup.com
Since 1976 we have used the Orion SS-20 for routine determination of serum ionized
calcium. Our reference range was 0.96-1.16 mmol/liter, based on serum samples from 110 …
calcium. Our reference range was 0.96-1.16 mmol/liter, based on serum samples from 110 …
Determination of serum ionic calcium with an ion-selective electrode: Evaluation of methodology and normal values
TK Li, JT Piechocki - Clinical chemistry, 1971 - academic.oup.com
Ionized calcium in serum has been determined potentiometrically by using a calcium ion-
selective electrode in a flow-through configuration. For 397 normal human adults the mean …
selective electrode in a flow-through configuration. For 397 normal human adults the mean …
Measurement of ionized calcium in serum with ion-selective electrodes: a mature technology that can meet the daily service needs.
GN Bowers Jr, C Brassard, SF Sena - Clinical chemistry, 1986 - academic.oup.com
This article reviews key advances in ion-selective electrode technology that have made
potentiometric measurements of ionized calcium (Ca2+) reliable and precise. Our use of two …
potentiometric measurements of ionized calcium (Ca2+) reliable and precise. Our use of two …
Apparent binding of ionized calcium by various buffers.
JA Crowell, GN Bowers Jr - Clinical chemistry, 1985 - academic.oup.com
Using different substance concentrations in an aqueous 1.25 mmol/L solution of CaCl2 plus
NaCl to a final solution ionic strength of 160 mmol/L, we tested six buffers for their effect on …
NaCl to a final solution ionic strength of 160 mmol/L, we tested six buffers for their effect on …
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