GEOSTANDARDS NEWSLETTER
Contents List for Volume 15, 1991

NUMBER 1 (APRIL 1991)

Hall, G.E.M. and Riddle, C.
Guest Editorial: "Geoanalysis 90" sets the stage for renewed international cooperation in the analysis of geological materials.
Geostandards Newsletter (1991), 15: 1-2. TEXT

Abbey, S.
On the evaluation of rock reference materials - a "five-mode" approach.
Geostandards Newsletter (1991), 15: 3-12. ABSTRACTS

Kane, J.S.
Derivation of recommended values: an opinion.
Geostandards Newsletter (1991), 15: 13-21. ABSTRACTS

Johnson, W.M.
Use of geochemical reference materials in a quality control/quality assurance program.
Geostandards Newsletter (1991), 15: 23-31. ABSTRACTS

Kane, J.S.
Quality control and reference sample data bases.
Geostandards Newsletter (1991), 15: 33-42. ABSTRACTS

Frost, J.E.K.
Determination of elemental concentrations in nine CMEA rock and ore standards, in NBS 98 plastic clay and in fired clay gent (FCG) by instrumental neutron activation analysis.
Geostandards Newsletter (1991), 15: 43-50. ABSTRACTS

Bottazzi, P., Ottolini, L. and Vannucci, R.
Determination of rare earth elements in sixteen silicate reference samples by secondary ion mass spectrometry using conventional energy filtering technique.
Geostandards Newsletter (1991), 15: 51-57. ABSTRACTS

Shaw, D.M. and Smith, P.L.C.
Concentrations of B, Sm, Gd and H in 24 reference materials.
Geostandards Newsletter (1991), 15: 59-66. ABSTRACTS

Berkovits, L.A. and Parshin, A.K.
A set of far east magmatic rock reference samples: DV.
Geostandards Newsletter (1991), 15: 67-76. ABSTRACTS

Berkovits, L.A. and Obolyaninova, V.G.
A set of sedimentary rock reference samples: GPOS.
Geostandards Newsletter (1991), 15: 77-83. ABSTRACTS

Berkovits, L.A., Obolyaninova, V.G, Parshin, A.K. and Romanovskaya, A.R.
A system of sediment reference samples: OO.
Geostandards Newsletter (1991), 15: 85-109. ABSTRACTS

Potts, P.J. and Rogers, N.W.
Determination of trace elements in selected geological reference materials by instrumental neutron activation analysis.
Geostandards Newsletter (1991), 15: 111-116. ABSTRACTS

Rosman, K.J.R. and Kempt, N.K.
Determination of copper, zinc, cadmium and lead in marine sediments SD-M-2/TM and BCSS-1 and dogfish muscle DORM-1 by isotope dilution mass spectrometry.
Geostandards Newsletter (1991), 15: 117-119. ABSTRACTS

Clarke, W.B. and Downing, R.G.
Determination of lithium in 13 geochemical reference materials by thermal-neutron capture and helium-3 mass spectrometry.
Geostandards Newsletter (1991), 15: 121-124. ABSTRACTS

Terashima, S.
Determination of platinum and palladium in sixty-eight geochemical reference samples by flameless atomic absorption spectrometry.
Geostandards Newsletter (1991), 15: 125-128. ABSTRACTS

Verma, S.P.
Determination of thirteen rare-earth elements by high-performance liquid chromatography in thirty and of K, Rb, Cs, Sr and Ba by isotope dilution mass spectrometry in eighteen international geochemical reference samples.
Geostandards Newsletter (1991), 15: 129-134. ABSTRACTS

Petrov, L.L., Kornakov, Y.N., Persikova, L.A., Vlasov, A.V., Malykh, V.V. and Prokopjeva, A.Z.
Two reference samples for assessing analytical data reliability in geochemical investigations.
Geostandards Newsletter (1991), 15: 135-137. ABSTRACTS

Croudace, I.W. and Marshall, S.
Determination of rare earth elements and yttrium in nine geochemical reference samples using a novel group separation procedure involving mixed-acid elution ion-exchange chromatography.
Geostandards Newsletter (1991), 15: 139-144. ABSTRACTS

Hannington, M.D. and Gorton, M.P.
Analysis of sulfides for gold and associated trace metals by direct neutron activation with a low-flux reactor.
Geostandards Newsletter (1991), 15: 145-154. ABSTRACTS

Yurimoto, H., Sakaguchi, I., Nishida, N. and Sueno, S.
Determination of nickel in GSJ standard rock samples using secondary ion mass spectrometry.
Geostandards Newsletter (1991), 15: 155-159. ABSTRACTS

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