Internal standard versus external standard calibration: an uncertainty case study of a liquid chromatography analysis
Traditionally, in the cigarettes industry, the determination of ammonium ion in the mainstream smoke is performed by ion chromatography. This work studies this determination and compares the results of this technique with the use of external and internal standard calibration. A reference cigarette s...
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| Other Authors: | , , , |
| Format: | article |
| Language: | eng |
| Published: |
2010
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| Subjects: | |
| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000400041 |
| Country: | Brazil |
| Oai: | oai:scielo:S0100-40422010000400041 |