GB/T 4333.2-1988
Methods for chemical analysis of ferrosilicon--The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content (English Version)
- Standard No.
- GB/T 4333.2-1988
- 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
- 2024-04
- Replace By
- GB/T 4333.2-2023
- Latest
- GB/T 4333.2-2023
- Replace
- GB 4333.2-1984
- Scope
- This standard specifies the bismuth phosphomolybdenum blue spectrophotometric method for the determination of phosphorus content. This standard applies to the determination of phosphorus in ferrosilicon. Measuring range: 0.010% to 0.060%.
GB/T 4333.2-1988 history
- 2023 GB/T 4333.2-2023 Determination of ferrosilicon and phosphorus content bismuth phosphorus molybdenum blue spectrophotometry
- 1988 GB/T 4333.2-1988 Methods for chemical analysis of ferrosilicon--The reduced molybdobismuthylphosphoric acid photometric method for the determination of phosphorus content
- 0000 GB 4333.2-1984
GB/T 4333.2-1988 -All Parts
GB/T 4333.1-2019 Ferrosilicon—Determination of silicon content—Perchloric acid dehydration gravimetric method and potassium fluosilicate volumetric method
GB/T 4333.10-2019 Ferrosilicon—Determination of carbon content—Infrared absorption method
GB/T 4333.2-2023 Determination of ferrosilicon and phosphorus content bismuth phosphorus molybdenum blue spectrophotometry
GB/T 4333.3-1988 Methods for chemical analysis of ferrosilicon--The potassium periodate photometric method for the determination of manganese content
GB/T 4333.4-2007 Ferrosilicon-Determination of aluminium content-The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method
GB/T 4333.5-2016 Ferrosillicon—Determination of silicon, manganese, aluminium, calcium, chromium and iron contents—Wavelength dispersive X-ray fluorescence spectrometry (Fused cast bead method)
GB/T 4333.6-2019 Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method
GB/T 4333.7-2019 Ferrosilicon—Determination of sulfur content—Infrared absorption method and chromatographic separation-barium sulfate gravimetric method
GB/T 4333.8-2022 Ferrosilicon—Determination of calcium content—Flame atomic absorption spectrometry
GB/T 4333.9-1988 Methods for chemical analysis of ferrosilicon--The flame atomic absorption spectrometric method for the determination of aluminium content