Application of the H-point standard additions method by using absorbance increment values as analytical signals
✍ Scribed by Pilar Campins Falco; Francisco Bosch Reig; Jorge Verdu-Andres
- Book ID
- 118996071
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 589 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0039-9140
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📜 SIMILAR VOLUMES
The basis of the H-point standard addition method in the cases where the analyte determination requires the use of an absorbent reagent is considered. The method evaluates and eliminates the blank bias error present in such procedures by using the absorbance increment at two selected wavelengths as
The simultaneous determmatlon of theophylhne and paraxanthme m urine samples by the H-pomt standard additions method (HPSAM) IS described Samples are extracted with Cl, solid-phase extraction cartndges and chromatographed using a Hypersd Cl,-ODS column and a mobile phase conslstmg of acetomtnle-phos