Determination of palladium in silver, copper, selenium and anode sludge by atomic-absorption spectrometry after extraction of tri-n-octylmethylammonium tetrabromopalladateIwao Tsukahara; Minoru Tanaka · 1980

Extraction-spectrophotometric determination of traces of antimony in copper and lead metals and in lead-base alloy with pyrocatechol violet and tri-n-octylamineIwao Tsukahara; Masanao Sakakibara; Minoru Tanaka · 1977

Determination of silver in copper and lead metals and alloys and in zinc and selenium by atomic-absorption spectrometry after separation by extraction of the tri-n-octylmethylammonium—silver bromide complexIwao Tsukahara; Minoru Tanaka · 1980