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 (English Version)
- Standard No.
- GB/T 5686.4-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 5686.4-2022
- Replace
- GB/T 5686.4-2008
- Scope
- This document describes methods for the determination of phosphorus in ferromanganese, manganese-silicon alloys, ferromanganese nitride, and manganese metal by molybdenum blue spectrophotometry and bismuth phosphomolybdenum blue spectrophotometry. This document is applicable to the determination of phosphorus content in ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. Measuring range (mass fraction): 0.0030%~0.650%. Method 1: molybdenum blue spectrophotometry, suitable for the determination of phosphorus content in ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese, the measurement range (mass fraction): 0.0030%~0.450%; method 2: bismuth phosphorus molybdenum The blue spectrophotometric method is suitable for the determination of phosphorus content in ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. The measurement range (mass fraction): 0.0030%~0.650%.
GB/T 5686.4-2022 Referenced Document
- GB/T 12806 Laboratory glassware.One-mark volumetric flasks
- GB/T 12807 Laboratory glassware一Graduated pipettes
- GB/T 12808 Laboratory glass instrument single marked line pipette
- GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis
- GB/T 6682 Water for analytical laboratory use.Specification and test methods
GB/T 5686.4-2022 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 5686.4-2022 -All Parts
GB/T 5686.1-2022 Ferromanganese，ferromanganese-silicon，nitrogen-bearing ferromanganese and manganese metal—Determination of manganese content—Potentiometric method， titrimetric method after ammonium nitrate oxidation
GB/T 5686.2-2022 Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal—Determination of silicon content—Molybdenum blue spectrophotometric method, silicon potassium fluoride titri
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
GB/T 5686.5-2023 Determination of carbon content of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese by infrared absorption method, gas volume method, gravimetric method and coulometric method
GB/T 5686.6-1988 Methods for chemical analysis of silicomanganese alloy--The gasometric method for the determination of carbon content
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
GB/T 5686.8-1988 Methods for chemical analysis of silicomanganese alloy--The combustion-neutralization titration method for the determination of sulfur content
GB/T 5686.9-2023 Determination of the contents of ferromanganese, manganese-silicon alloys, ferromanganese nitride and metallic manganese-manganese, silicon, phosphorus and iron by wavelength dispersive X-ray fluorescence spectrometry (cast glass plate method)