This standard specifies the gravimetric method for the determination of carbon dioxide. This standard applies to the determination of the amount of carbon dioxide in manganese ore. Measuring range: 0.10% to 18.00%.
GB/T 14949.11-1994 history
2021GB/T 14949.11-2021 Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method
1994GB/T 14949.11-1994 Manganese ores- Determination of carbon dioxide content