| 281 |
|
Spectrophotometric determination of nitrate and nitrite in soil and water samples with a diazotizable aromatic amine and coupling agent using column preconcentration on naphthalene supported with ion-pair of tetradecyldimethylbenzylammonium and iodide
|
Horita, K
|
Elsevier Pub. Co
|
1997
|
|
|
|
| 282 |
|
Spectrophotometric determination of oxygen stoichiometry in YBCO superconducting bulk samples/
|
Nedeltcheva, T
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 283 |
|
Spectrophotometric determination of rhenium as perrhenate by extraction with amiloride hydrochloride
|
Burns, D. T
|
Elsevier Pub. Co
|
1996
|
|
|
|
| 284 |
|
Spectrophotometric determination of sulphur dioxide and hydrogen sulphide in gas phase by sequential injection analysis technique/
|
Kass, M
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 285 |
|
Spectrophotometric determination of tantalum by extraction as tetrabutylammonium hexathiocyanatotantalate(V)/
|
Burns, D Thorburn
|
Elsevier Pub. Co
|
2000
|
|
|
|
| 286 |
|
Spectrophotometric determination of total uronic acids in seawater using cation-exchange separation and pre-concentration by lyophilization/
|
Hung, Chin-Chang
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 287 |
|
Spectrophotometric determination of trace bromide by its catalytic effect on the tetrabase-chloramine T reaction
|
Tomiyasu, T
|
Elsevier Pub. Co
|
1996
|
|
|
|
| 288 |
|
Spectrophotometric determination of vitamin C with iron(II)-4-(2-pyridylazo)resorcinol complex/
|
Arya, S P
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 289 |
|
Spectrophotometric flow-batch determination of aluminum in plant tissues exploiting a feedback mechanism/
|
Honorato, Ricardo S
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 290 |
|
Spectrophotometric flow-injection analysis of the total base number in lubricants by using acid-base buffers/
|
Jyonosono, Keiko
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 291 |
|
Spectrophotometric method for determination of germanium in foods with new color reagent trimethoxylphenylfluorone/
|
Zaijun, Li
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 292 |
|
Spectrophotometric, potentiometric and chromatographic pKa values of polyphenolic acids in water and acetonitrile-water media/
|
Beltran, J. L
|
Elsevier Pub. Co
|
2003
|
|
|
|
| 293 |
|
Spectrophotometric resolution of ternary mixtures of Dexamethasone, Polymyxin B and Trimethoprim in synthetic and pharmaceutical formulations/
|
Lemus Gallego, J M
|
Elsevier Pub. Co
|
2001
|
|
|
|
| 294 |
|
Spectrophotometry of nucleic acids by their effect on the complex of cobalt(II) with 4-[(5-chloro-2-pyridyl)azo]-1,3-diaminobenzene
|
Huang, C. Z
|
Elsevier Pub. Co
|
1997
|
|
|
|
| 295 |
|
Spectroscopic factors optimization in electrothermal atomic absorption spectrometry via an optimal experimental design matrix
|
Le Garrec, H
|
Elsevier Pub. Co
|
1997
|
|
|
|
| 296 |
|
Spectroscopic studies of proton-transfer and metal-ion binding of a solution-phase model for silica-immobilized 8-hydroxyquinoline/
|
Uibel, R. H
|
Elsevier Pub. Co
|
2003
|
|
|
|
| 297 |
|
Spin-spin relaxation time determination of intermediate states in heterogeneous products from free induction decay NMR signals
|
Le Botlan, D. J
|
Elsevier Pub. Co
|
1997
|
|
|
|
| 298 |
|
Spline wavelet analysis for voltammetric signals
|
Zou, X
|
Elsevier Pub. Co
|
1997
|
|
|
|
| 299 |
|
Square-wave voltammetric stripping analysis of bismuth(III) at a poly(4-vinylpyridine)/mercury film electrode
|
Zen, J.-M
|
Elsevier Pub. Co
|
1996
|
|
|
|
| 300 |
|
Square-wave voltammetric stripping analysis of lead(II) at a Nafion[R]/copper-mercury film electrode
|
Zen, J.-M
|
Elsevier Pub. Co
|
1996
|
|
|
|