GB/T 5059.11-2025Ferromolybdenum - Determination of molybdenum, silicon, copper and iron contents - Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method) (English PDF)
钼铁 钼、硅、铜和铁含量的测定 波长色散X-射线荧光光谱法（熔铸玻璃片法）
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 31, 2025
Implementation date
May 1, 2026
Scope
GB/T 5059.11-2025 is the English-translated version of 钼铁 钼、硅、铜和铁含量的测定 波长色散X-射线荧光光谱法（熔铸玻璃片法）.
GB/T 5059.11-2025 is the Chinese standard "Ferromolybdenum - Determination of molybdenum, silicon, copper and iron contents - Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)".
Its scope clause reads: This document specifies the method for determining the content of molybdenum, silicon, copper, and iron in ferromolybdenum using wavelength dispersive X-ray fluorescence spectrometry (fused glass slide method).
This document applies to the determination of molybdenum, silicon, copper, and iron content in ferromolybdenum. The determination ranges for each element are shown in Table 1.
Table 1 Elements and Measurement Range Analytical element determination range (mass fraction)/% Molybdenum (Mo) 52.00~65.00 Silicon (Si) 0.300~2.000 Copper (Cu) 0.120~2.100 Iron (Fe) 30.00~45.00. Its clauses include terms and definitions.
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Document preview — GB/T 5059.11-2025
National Standard of the People's Republic of China
- ICS
- 77.100
- Classification
- H 11
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
1 Scope
This document specifies the method for determining the content of molybdenum, silicon, copper, and iron in ferromolybdenum using wavelength dispersive X-ray fluorescence spectrometry (fused glass slide method).
This document applies to the determination of molybdenum, silicon, copper, and iron content in ferromolybdenum. The determination ranges for each element are shown in Table 1.
Table 1 Elements and Measurement Range
Analytical element determination range (mass fraction)/%
Molybdenum (Mo) 52.00~65.00
Silicon (Si) 0.300~2.000
Copper (Cu) 0.120~2.100
Iron (Fe) 30.00~45.00
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 4010 Sample collection and preparation for chemical analysis of ferroalloys
GB/T 6379.1 Accuracy (Correctness and Precision) of Measurement Methods and Results - Part 1.General Principles and Definitions
GB/T 6379.2 Accuracy (correctness and precision) of measurement methods and results - Part 2.Determining the repeatability of standard measurement methods
Basic methods of sex and representation
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 8170 Rules for rounding off numerical values and the representation and determination of limiting values
GB/T 16597 General Rules for X-ray Fluorescence Spectrometry in Metallurgical Products
GB/T 24484 Methods for collecting and preparing ferromolybdenum samples
JJG810 Wavelength Dispersive X-ray Fluorescence Spectrometer
3 Terms and Definitions
This document does not contain any terms or definitions that need to be defined. […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4010Ferroalloys sampling and preparation of samples for chemical analysis
- GB/T 6379.1Accuracy (trueness and precision) of measurement methods and results -- Part 1: General principles and definitions
- GB/T 6379.2Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
- GB/T 6682Water for analytical laboratory use - Specification and test methods
- GB/T 8170Rules of rounding off for numerical values & expression and judgement of limiting values
- GB/T 16597Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods
Editions of GB/T 5059.11
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5059.11-2025 | Ferromolybdenum - Determination of molybdenum, silicon, copper and iron contents - Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method) | current edition | Current |
This page sells the current edition, GB/T 5059.11-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 16597-2019 — Analytical methods of metallurgical products—General rule for X-ray fluorescence spectrometric methods
GB/T 24484-2009 — Sampling and preparation of the ferromolybdenum samples
GB/T 4010-2015 — Ferroalloys sampling and preparation of samples for chemical analysis
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GB/T 5059.11-2025
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