GB/T 223.5-2008Steel and iron -- Determination of acid-soluble silicon and total silicon content -- Reduced molybdosilicate spectrophotometric method (English PDF)
钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 19, 2008
Implementation date
April 1, 2009
Scope
GB/T 223.5-2008 is the English-translated version of 钢铁 酸溶硅和全硅含量的测定 还原型硅钼酸盐分光光度法.
GB/T 223.5-2008 is a Chinese recommended national standard. Its English version is available from this page.
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Document preview — GB/T 223.5-2008
National Standard of the People's Republic of China
- ICS
- 77.080.01
Contents
- Foreword3
- 1 Scope5
- 2 Normative references5
- 3 Principles6
- 4 Reagents and materials6
- 5 Instruments and equipment7
- 6 Taking and preparation of specimens8
- 7 Analytical procedures8
- 8 Expression of results12
- 9 Test report13
- Appendix A (Informative) International joint trial additional information15
- Appendix B (Informative) Diagram of precision data17
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 29606-2026Stainless steel vacuum flasks
- GB/T 11264-2025Hot-rolled light rails
- GB/T 18669-2025Steel for ship anchor chain and offshore mooring chain cables
- GB/T 20065-2025Screw-thread steel bars for the prestressing of concrete
- GB/T 24238-2025Hot-rolled steel wire rod for prestressed steel wire and strand
- GB/T 28906-2025Hot-rolled steel wire rod for cold heading
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Related Standards
GB/T 223.11-2008 — Iron, steel and alloy -- Determination of chromium content -- Visual titration or potentiometric titration method
GB/T 223.13-2025 — Iron, steel and alloy - Determination of vanadium content - Titrimetric method and spectrophotometric method
GB/T 223.14-2000 — Methods for chemical analysis of iron, steel and alloy. The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
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GB/T 223.5-2008
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