Is good laboratory practice necessarily good analytical practice? Is GLP necessarily GAP? Wolfgang MerzRolf Wittlinger Original Papers Pages: 11 - 16
Laboratory accreditation: The operation of an established scheme Brian E. Broderick Original Papers Pages: 17 - 21
Progress in the quality assurance of environmental trace organic analysis David E. WellsAlan G. Kelly Original Papers Pages: 23 - 36
A journey through the hazards of possible errors in the analysis of trace elements in body fluids and tissues Rita Cornelis Original Papers Pages: 37 - 44
An improved radiometric assay of plant peroxidases based in the decarboxylation of indole-3-[1-14C]acetic acid Romualdo MunozMaria A. PedrenoAlfonso Ros-Barceló Original Papers Pages: 45 - 52
Cellulose fibrous sorbents with conformationally flexible aminocarboxylic groups for preconcentration of metals Grigory I. TsysinIrina V. MikhuraYury A. Zolotov Original Papers Pages: 53 - 60
Polarographic and spectrophotometric determination of isocarboxazid and tranylcypromine sulphate through treatment with nitrous acid Fathalla BelalFawzia A. IbrahimFatma A. Aly Original Papers Pages: 61 - 69
New external reagents for the simultaneous microdetermination of carbon, hydrogen and mercury Youssef A. GawargiousHassan N. A. HassanManal S. Kamel Original Papers Pages: 71 - 78
Spectrophotometric and derivative spectrophotometric determination of copper (II) with dithizone in aqueous phase Brajesh KumarHar Bhajan SinghRattan Lal Sharma Original Papers Pages: 79 - 87
Screened indicators in anhydrous acetic acid medium: Chromatic evaluation of their transitions José BarbosaElisabeth BoschMartí Rosés Original Papers Pages: 89 - 99