Analysis of systematic errors in calibrating glass electrodes with H+ as a concentration probe S. FiolF. ArceM. Sastre de Vicente Original Papers Pages: 469 - 472
Separation and determination of micromolar ammonia, nitrite, and nitrate from a single small sample G. T. RichardsonJ. A. DaviesJ. G. Edwards Original Papers Pages: 473 - 474
Liquid anion-exchange separation of vanadium from malonate media R. R. RaoS. M. Khopkar Original Papers Pages: 475 - 481
Determination of zirconium, barium, lanthanum, aluminium, sodium, hafnium and fluorine in fluorozirconate glasses O. AbollinoE. MentastiM. Braglia Original Papers Pages: 482 - 487
Spectrophotometric determination of manganese in low-alloy steels after its extraction as triphenylsulphonium permanganate D. Thorburn BurnsM. HarriottS. A. Barakat Original Papers Pages: 488 - 490
In situ detection of monovalent copper in aerosols by photoemission M. AmmannR. HauertH. Burtscher Original Papers Pages: 491 - 496
Inter-laboratory comparison of methods used for analysing polycyclic aromatic hydrocarbons (PAHs) in soil samples Iris BlankenhornDirk MeijerRobert J. van Delft Original Papers Pages: 497 - 504
Determination of 129I in large soil samples after alkaline wet disintegration K. BunzlW. Kracke Original Papers Pages: 505 - 508
Simultaneous determination of perylene and benzo[g,h,i]perylene by synchronous fluorescence using a micellar system A. Bermejo Martín-LázaroJ. Hernández GarcíaJ. J. Santana Rodríguez Original Papers Pages: 509 - 512
Comparison of collinear and transverse photothermal deflection spectroscopy for trace analysis of pesticides in water B. BohnertW. FaubelH. J. Ache Original Papers Pages: 513 - 517
Spectrophotometric determination of microquantities of Carbidopa using the Carbidopa-iron(III)-phenylfluorone ternary complex in micellar medium Prodromos B. IssopoulosPantelis T. Economou Original Papers Pages: 518 - 522
Caffeine and theobromine in coffee, tea and cola-beverages M. C. GennaroC. Abrigo Original Papers Pages: 523 - 525
Effectiveness of palladium as a chemical modifier for the determination of lead in biological materials and foodstuffs by graphite furnace atomic absorption spectrometry Wim PenninckxDesire L. MassartJohanna Smeyers-Verbeke Original Papers Pages: 526 - 531
The integrated multivariate approach for the development of dry reagent strips for quantitative clinical analysis M. EhrlichD. WienkeG. Kateman Original Papers Pages: 532 - 540
Direct potentiometric immunoelectrodes Ursula PfeiferWolfram Baumann Original Papers Pages: 541 - 549
Fluorometric determination of hydrogen peroxide with peroxidase and 1-methyl-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid Takafumi OhtaYuki YamauchiShoji Takitani Original Papers Pages: 550 - 552