ISO 7834 iron ores - Determination of arsenic content - Molybdenum blue spectrophotometric method = minerais de fer - dosage de l´arsenic - methode spectrophotometrique au bleu de molybdene
International Organization for Standardization
Geneve ISO 1987
Localização:
EPBC - Esc. Politécnica-Bib Central
(RN ISO 7834 )(Acessar)
ISO 317 manganese ores and concentrates - determination of arsenic content - spectrometric method = minerais et concentrés de manganèse - dosage de l'arsenic ...
International Organization for Standardization
Geneve ISO 1984
Localização:
EPBC - Esc. Politécnica-Bib Central
(RN ISO 317 )(Acessar)