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  • Body fluids  (1)
  • Flame ionisation detection  (1)
  • Springer  (2)
  • 1985-1989  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Determination of cyanogen and cyanogen chloride using gas chromatography with a flame ionisation detector (1986)
    Springer
    Chromatographia 21 (1986), S. 161-164 
    Details
    ISSN: 1612-1112
    Keywords: Gas chromatography ; Flame ionisation detection ; Cyanogen ; Cyanogen chloride
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The response of a flame ionisation detector (FID) to cyanogen ((CN)2) and cyanogen chloride (CNCI) has been studied. The lower limits of detection for (CN)2 and CNCl were 6×10−12 moles and 2×10−11 moles respectively. In a comparative study a thermal conductivity detector gave as its lower limit of detection for both (CN)2 and CNCl 4×10−11 moles. Both detectors showed excellent linearity over the range 0 to 10 micromoles. The ratio of the gradients of the FID calibrations (CN)2/CNCI were found to be approximately two suggesting the response depended on the cyanide group. The response and stability of the FID was investigated as a function of air and hydrogen flow-rates. The response increased with increasing air flow-rate for both (CN)2 and CNCI up to 300cm3min−1, thereafter no significant increase was observed. On raising the hydrogen flow from 10 to 25cm3min−1 only a slight increase in the sensitivity of the FID towards both (CN)2 and CNCI was observed. At higher flow rates the response for (CN)2 increased markedly whereas at the same flow rates the response for CNCI increased only slightly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02311746
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  • 2
    Electronic Resource
    Electronic Resource
    Continuous measurement of blood hydration during ultrafiltration using optical methods (1987)
    Springer
    Medical & biological engineering & computing 25 (1987), S. 317-323 
    Details
    ISSN: 1741-0444
    Keywords: Blood hydration ; Blood volume ; Body fluids ; Haemodialysis ; Optical absorption ; Ultrafiltration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract An optical blood hydration monitor for use with extracorporeal haemodialysis circuits is described. Studies in five stable haemodialysis patients demonstrate good correlations between measured blood water, haemoglobin concentration and optical attenuation during ultrafiltration. There are no significant errors introduced as a result of a changing extracorporeal circuit pressure and errors resulting from a changing state of oxygenation of haemoglobin are small. Changes in blood volume effected by ultrafiltration may be deduced if it is assumed that these are due solely to shifts of water into or out of the vascular compartment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02447431
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