GB/T 3260.5-2013Methods for chemical analysis of tin - Part 5: Determination of antimony content - The malachite green photometric method (English PDF)
锡化学分析方法 第5部分：锑量的测定 孔雀绿分光光度法
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 3260.5-2013 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 17, 2013
Implementation date
September 1, 2014
Scope
GB/T 3260.5-2013 is the English-translated version of 锡化学分析方法 第5部分：锑量的测定 孔雀绿分光光度法.
GB/T 3260.5-2013 is the Chinese standard "Methods for chemical analysis of tin - Part 5: Determination of antimony content - The malachite green photometric method".
Its scope clause reads: GB/T 3260 provisions of this part of the malachite green spectrophotometric method tin antimony content. This section applies to the determination of tin in the antimony content.
Determination of the range of 0.00050% to 0.0500%. Its clauses include method summary; reagents.
Found what you need?
Document preview — GB/T 3260.5-2013
National Standard of the People's Republic of China
- ICS
- 77.120.60
- Classification
- H 13
- Replacing
- GB/T 3260.5-2000
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Method summary
- 3 Reagents
- 3.6 stannous chloride solution (100g/L)
- 3.11 Antimony standard stock solution
- 3.12 Antimony standard solution
- 4.1 Sample
1 Scope
GB/T 3260 provisions of this part of the malachite green spectrophotometric method tin antimony content.
This section applies to the determination of tin in the antimony content. Determination of the range of 0.00050% to 0.0500%.
2 Method summary
Samples with hydrochloric acid and hydrogen peroxide dissolved in hydrochloric acid medium, antimony anions generated green and malachite green complex, which is extracted in toluene,
Spectrophotometer measuring the absorbance at a wavelength of 635nm.
3 Reagents
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.1
hydrochloride (rho1.19g/mL).
3.2
Hydrogen peroxide (30%).
3.3
toluene.
3.4
hydrochloride (53).
3.5
phosphate (19).
3.6 stannous chloride solution (100g/L)
Weigh 10g of stannous chloride (SnCl2 · 2H2O), added 20mL of hydrochloric acid (3.2), dissolved by heating, cooling
However, dilute with water to 100mL.
3.7
sodium nitrite solution (140g/L).
3.8
urea solution (400g/L).
3.9
malachite green solution (2g/L).
3.10
over anhydrous sodium sulfate.
3.11 Antimony standard stock solution
Weigh 0.2742g antimony potassium tartrate (KSbOC4H4O6 · 1/2H2O) placed in 250mL beaker, add
Into 100mL of hydrochloric acid (3.4), stirring to dissolve, transferred to 1000mL volumetric flask with hydrochloric acid (3.4) Wash the beaker and dilute to volume, mix uniform. This solution 1mL containing 100µg antimony.
3.12 Antimony standard solution
Pipette 25.00mL antimony standard stock solution (3.11) in 500mL volumetric flask (3.4) diluted to the mark with hydrochloric acid
Degree, and mix. This solution 1mL containing 5µg antimony.
Step 4 Analysis
4.1 Sample
Table 1 sample was weighed, accurate to 0.0001g.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 3260.5
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3260.5-2013 | Methods for chemical analysis of tin - Part 5: Determination of antimony content - The malachite green photometric method | current edition | Current |
| GB/T 3260.5-2000 | Methods for chemical analysis of tin - Part 5: Determination of antimony content - The malachite green photometric method | previous edition | Superseded |
This page sells the current edition, GB/T 3260.5-2013. Earlier editions are listed for reference only.
How to Download GB/T 3260.5-2013
- 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 3260.6-2013 — Methods for chemical analysis of tin - Part 6: Determination of arsenic contents - Malachite green arsenic molybdenum heteropoly acid photometric method
GB/T 3260.4-2013 — Methods for chemical analysis of tin -- Part 4: Determination of lead content -- Flame atomic absorption spectrometric method
GB/T 3260.7-2013 — Methods for chemical analysis of tin - Part 7: Determination of aluminium content - Electrothermal atomic absorption spectrometric method
Secure payment via Stripe
Payments accepted
GB/T 3260.5-2013
$85.00