GB/T 5686.4-2008
Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of phosphorus content. Molybdenum blue photometric method and alkali content titrimetric method (English Version)

Standard No.

GB/T 5686.4-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

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

Status

Be replaced 2023-02

Replace By

GB/T 5686.4-2022

Latest

GB/T 5686.4-2022

Replace

GB/T 7730.3-1997 GB/T 8654.5-1988 GB/T 5686.4-1998

Scope

WARNING: Personnel applying this standard should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part specifies the determination of phosphorus content in ferromanganese, silicon manganese alloy, ferromanganese nitride, metallic manganese and electrolytic manganese by molybdenum blue photometric method and alkali titration method. This part is applicable to the determination of phosphorus content in ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. The determination range (mass fraction): 0.003% to 0.650%. Method 1: molybdenum blue photometry, suitable for the determination of silicon content in ferromanganese, manganese-silicon alloy, ferromanganese nitride, and manganese metal, the measurement range (mass fraction) is 0.001-0.60%; method 2: alkaline method, applicable to For the determination of ferromanganese alloy, the determination range (mass fraction) is 0.080% to 0.650%.

GB/T 5686.4-2008 Referenced Document

• GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*， 2015-09-11 Update

GB/T 5686.4-2008 history

• 2022 GB/T 5686.4-2022 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of phosphorus content—Molybdenum blue spectrophotometric method and bismuth phosphomolybdate b
• 2008 GB/T 5686.4-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of phosphorus content. Molybdenum blue photometric method and alkali content titrimetric method
• 1998 GB/T 5686.4-1998 Methods for chemical analysis of silicomanganese --The phosphomolybdenum blue phtometric method for the determination of phosphorus content
• 1997 GB/T 7730.3-1997 Methods for chemical analysis of ferromanganese. The determination of phosphorus content
• 1988 GB/T 8654.5-1988 Methods for chemical analysis of manganese metal--The molybdenum blue photometric method for the determination of phosphorus content

GB/T 5686.4-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of phosphorus content. Molybdenum blue photometric method and alkali content titrimetric method has been changed from GB/T 7730.3-1997 Methods for chemical analysis of ferromanganese. The determination of phosphorus content.

GB/T 5686.4-2008 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal. Determination of phosphorus content. Molybdenum blue photometric method and alkali content titrimetric method has been changed from GB/T 8654.5-1988 Methods for chemical analysis of manganese metal--The molybdenum blue photometric method for the determination of phosphorus content.

GB/T 5686.4-2008 -All Parts