1986-01-01Zeitschriftenartikel
Simultaneous Spectrophotometric Calibration of Wavelength and Absorbance in an Interlaboratory Survey Using Holmium Oxide (HO2O3) in Perchloric Acid as Reference, Compared with p-Nitrophenol and Cobaltous Sulphate Solutions (1978-1984)
Jansen, A. P.; Kampen, E. J. van; Steigstra, H.; Ploeg, P. H. W. van der; Zwart, A.