A stable isotope dilution gas chromatography-mass spectrometry method using enriched 65Cu as an internal standard is described for the determination of Cu in urine and serum. Chelating agents N,N'-ethylenebis-(trifluoroacetylacetoneimine) [H2(enTFA2)] and lithium bis(trifluoroethyl)dithiocarbamate [
Determination of α-keto acids as silylated oximes in urine and serum by combined gas chromatography-mass spectrometry
✍ Scribed by Hans J. Sternowsky; John Roboz; Ferenc Hutterer; Gerald Gaull
- Book ID
- 115819950
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 637 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0009-8981
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract Amino acid (AA) enantiomers were determined as __N(O)__‐pentafluoropropionyl‐(2)‐propyl esters by chiral gas chromatography–mass spectrometry (GC‐MS) in 24 h samples of the urine of three healthy volunteers and in their blood sera. In urine the largest amounts were determined for D‐Ser
GC-MS is one of the recommended analytical techniques for the identification and confirmation of opiates in urine. A method for the qualitative detection and quantitation of codeine and morphine in urine samples by this technique has been developed. This method is also suitable for the detection of