Spectrophotometric and flame atomic absorption spectrometric determination of zinc in milk and milk products : comparison of methods / J. Koops, H. Klomp and D. WesterbeekThe cadmium and lead contents of Dutch milk : comparison of the results obtained by Zeeman-corrected, stabilized-temperature platform furnace atomic absorption spectroscopy and differential-pulse anodic-stripping voltammetry : a reassessment / J. Koops, H. Klomp and D. WesterbeekDetermination of selenium in milk by spectrofluorometry and by Zeeman-corrected, stabilized-temperature platform-furnace atomic-absorption spectroscopy : comparison of results / J. Koops, H. Klomp and D. WesterbeekArsenic in Dutch milk powder : determination by atomic absorption spectroscopy after cold trapping of generated hydride / J. Koops, D. Westerbeek and C. de GraafProperties of artificial casein micelles / [by] D.G. Schmidt, J. Koops and D. WesterbeekEffect of the molecular weight of [kappa]-carrageenan on the retardation of fat separation in evaporated milk / Th.H.M. Snoeren, J. Koops and D. WesterbeekSimple flame photometric method for the calibration of loops in use for the enumeration of bacteria in milk / J. Koops and D. WesterbeekRapid routine determination of the lead content of sterilized canned evaporated milk by flameless atomic absorption spectrophotometry / J. Koops and D. WesterbeekDetermination of lead and cadmium in pasteurized liquid milk by flameless atomic absorption spectrophotometry / J. Koops, and D. WesterbeekSpectrophotometric determination of nickel with furildioxime, with special reference to milk and milk products and to the relaese of nickel from stainless steel by acidic dairy products and by acid cleaning / J. Koops, H. Klomp and D. WesterbeekFlameless atomic absorption spectrometric determination of the lead and cadmium contents of Gouda and Edam cheese produced in the Netherlands / J. Koops and D. WesterbeekDetermination of tin in sterilized canned evaporated milk by a spectrophotometric procedure with quercetin, and by atomic absorption spectrometry applying direct dilution and a nitrous oxide/acetylene flame / J. Koops, H. Klomp and D. WesterbeekMercury in milk and milk products / Nederlands Instituut voor Zuivelonderzoek