ISO 4294:1978
Manganese ores and concentrates — Determination of copper content — Extraction-photometric and photometric methods

Standard No.

ISO 4294:1978

Release Date

1978

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 4294:1984

Latest

ISO 4294:1984

ISO 4294:1978 history

• 1984 ISO 4294:1984 Manganese ores and concentrates; Determination of copper content; Extraction-spectrometric and spectrometric methods
• 1978 ISO 4294:1978 Manganese ores and concentrates — Determination of copper content — Extraction-photometric and photometric methods