GB/T 7730.9-1988
Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content (English Version)

Standard No.

GB/T 7730.9-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

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

Status

Be replaced 2008-11

Replace By

GB/T 5686.7-2008

Latest

GB/T 5686.7-2022

Scope

This standard applies to the determination of sulfur content in ferromanganese and blast furnace ferromanganese. Measuring range: 0.015% to 0.045%.

GB/T 7730.9-1988 history

• 2022 GB/T 5686.7-2022 Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization method
• 2008 GB/T 5686.7-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of sulfur content. Infrared absorption method and combustion-neutralization method
• 1988 GB/T 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content

GB/T 7730.9-1988 Methods for chemical analysis of ferromanganese and blast furnace ferromanganese--The combustion-neutralization titration method for the determination of sulfur content was changed to GB/T 5686.7-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of sulfur content. Infrared absorption method and combustion-neutralization method.

GB/T 7730.9-1988 -All Parts