GB/T 4333.4-2007Ferrosilicon - Determination of aluminium content - The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method (English PDF)
硅铁 铝含量的测定 铬天青S分光光度法、EDTA滴定法和火焰原子吸收光谱法
This is a limited preview
Buy now to download the full PDF (15 pages)
Need quotation for your management?
Get a formal quotation for GB/T 4333.4-2007 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 11, 2007
Implementation date
February 1, 2008
Scope
GB/T 4333.4-2007 is the English-translated version of 硅铁 铝含量的测定 铬天青S分光光度法、EDTA滴定法和火焰原子吸收光谱法.
GB/T 4333.4-2007 is the Chinese standard "Ferrosilicon - Determination of aluminium content - The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method".
Its scope clause reads: GB/T 4333 provisions of this part of the chromium azure S spectrophotometric determination of silicon EDTA titration and flame atomic absorption spectrometry Iron aluminum content.
This section applies to the determination of ferrosilicon aluminum content. Chromium Azure S Spectrophotometry range (mass fraction). 0.10% to 0.60%; EDTA titration range (mass fraction).
0.60% - 5.00%; flame atomic absorption spectrometry range (mass fraction). 0.05% to 5.00%. Its clauses include method one.
Found what you need?
Document preview — GB/T 4333.4-2007
National Standard of the People's Republic of China
- ICS
- 77.100
- Classification
- H 11
- Replacing
- GB/T 4333.5-1997
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Method One
- 3.1 Principle
- 3.2 Reagents and materials
1 Scope
GB/T 4333 provisions of this part of the chromium azure S spectrophotometric determination of silicon EDTA titration and flame atomic absorption spectrometry
Iron aluminum content.
This section applies to the determination of ferrosilicon aluminum content. Chromium Azure S Spectrophotometry range (mass fraction). 0.10% to 0.60%;
EDTA titration range (mass fraction). 0.60% - 5.00%; flame atomic absorption spectrometry range (mass fraction).
0.05% to 5.00%.
2 Normative references
The following documents contain provisions which, through reference to GB/T 4333 this section, constitute provisions of this part. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 4010 alloy chemical analysis and preparation of samples
3 Method One
Chromium Azure S Spectrophotometry
3.1 Principle
Sample with nitric acid, hydrofluoric acid dissolution, perchloric acid smoke, then dilute hydrochloric acid medium to precipitate cupferron iron, vanadium, titanium and other elements. again
At a pH (5.8 ± 0.4) in hydrochloric acid solution with hexamethylenetetramine buffer solution, aluminum and chrome azure S purple envelope and was formed,
Spectrophotometer 550nm wavelength measured absorbance.
3.2 Reagents and materials
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled water or its equivalent purity water.
3.2.1
sodium bisulfate, solid.
3.2.2
nitrate, rho1.42g/mL.
3.2.3
perchloric acid, rho1.67g/mL.
3.2.4
hydrofluoric acid, rho1.15g/mL.
3.2.5
hydrochloric acid, rho1.19g/mL.
3.2.6
hydrochloric acid, 1 + 9.
3.2.7
hydrochloric acid, 20 + 1.
3.2.8
hydrochloric acid, 60 + 1.
3.2.9
hydrochloric acid, 99 + 1.
3.2.10
ammonia, 1 + 9, stored in a plastic bottle.
3.2.11 ammonium fluoride solution, 20g/L
Stored in plastic bottles.
3.2.12 hexamethylenetetramine solution, 200g/L
Weigh 200g of hexamethylenetetramine dissolved in water, dilute to 1L, stored in plastic bottles.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
Similar standards
Editions of GB/T 4333.4
| Edition | Title | Revision | Status |
|---|---|---|---|
| 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 | current edition | Current |
| GB/T 4333.5-1997 | Ferrosilicon - Determination of aluminium content - The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method | previous edition | Superseded |
This page sells the current edition, GB/T 4333.4-2007. Earlier editions are listed for reference only.
How to Download GB/T 4333.4-2007
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
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 4333.3-1988 — Methods for chemical analysis of ferrosilicon. The potassium periodate photometric method for the determination of manganese content
GB/T 4333.6-2019 — Ferrosilicon - Determination of chromium content - Diphenylcarbazide spectrophotometric method
Secure payment via Stripe
Payments accepted
GB/T 4333.4-2007
$165.00