It's qualiative analysis using chemicals.
2007-05-26 02:58:12 · 4 answers · asked by SOSH 1 in Science & Mathematics ➔ Chemistry
Other than spectroscopy and chromatography, there is a home testing kit (qualitative only) for caffeine developed by the University of Washington.
http://www.eurekalert.org/pub_releases/2006-05/acs-htk051006.php
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* THEOPHYLLINE, NEONATAL
Includes: Caffeine
This method should be used for all patients 5 months of age or less.
Specimen: 0.3 mL serum or plasma, refrigerate
Collection Container: Red or green top tube (micro tubes)
Test Performed: 7 days/week
Turnaround: 24 hours
Method: EIA(Enzyme Immuno Assay), LC(Liquid Chromatography)
THERAPEUTIC RANGE:
Theophylline: 6-11 µg/mL
Caffeine:
Neonate: 8-20 µg/mL
Premature Apnea: 6-13 µg/mL
Adult: 3-15 µg/mL
TOXIC LEVELS:
Theophylline:
0 - 5 months: >15 µg/mL
Adult: >20 µg/mL
Caffeine:
0 - 5 months: >20 µg/mL
Adult: >50 µg/mL
2007-05-26 03:19:42 · answer #1 · answered by QuiteNewHere 7 · 0⤊ 0⤋
Caffeine can be extracted in analtical chestry by chemical extraction by ysing to solvents one from the same properties of caffeine i mean organic solvent and the inorganic solvent and this method is more effective when we do several extractions
2007-05-26 03:15:50 · answer #2 · answered by Anonymous · 0⤊ 0⤋
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2016-11-05 11:03:23 · answer #3 · answered by ? 4 · 0⤊ 0⤋
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2007-05-26 03:04:48 · answer #4 · answered by Anonymous · 0⤊ 0⤋