GB/T 14949.1-1994
Manganese ores- Determination of chromium content (English Version)

Standard No.

GB/T 14949.1-1994

Language

Chinese, Available in English version

Release Date

1994

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 14949.1-1994

Replace

GB 1520-1979

Scope

This standard specifies the diphenylcarbazide photometric method for the determination of chromium. This standard applies to the determination of chromium in manganese ore. Measuring range: ≤0.100%.

GB/T 14949.1-1994 history

• 2021 GB/T 14949.6-2021 Manganese ores—Determination of copper, lead and zinc content—Flame atomic absorption spectrometric method
• 1994 GB/T 14949.6-1994 Manganese ores- Determination of copper,lead and zinc contents
• 0000 GB 1520-1979

GB/T 14949.1-1994 -All Parts