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SN/T 3469.5-2014: Determination of platinum and palladium in imported sintered copper material of coarse smelting. Inductively coupled plasma mass spectrometry
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SN/T 3469.5-2014: Determination of platinum and palladium in imported sintered copper material of coarse smelting. Inductively coupled plasma mass spectrometry

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Determination of platinum and palladium in imported sintered copper material of coarse smelting. Inductively coupled plasma mass spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of imported crude copper smelting or sintered material of platinum, palladium content Inductively Coupled Plasma Mass Spectrometry Issued on. 2014-04-09 2014-11-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 3469 is divided into six parts. --- Part 1. imports of crude refining of copper or a sintered material Determination of short iodometry; --- Part 2. imports of copper smelting or sintered material in the fluorine content - Ion selective electrode method; --- Part 3. Determination of copper material in the sulfur content of imported crude refining or sintering frequency combustion infrared absorption method; --- Part 4. Imported crude refining or sintered copper material gold, silver content determination by flame atomic absorption spectrometry; --- Part 5. Imported crude copper smelting or sintered material of platinum, palladium content by inductively coupled plasma mass spectrometry; --- Part 6. imported crude copper smelting or sintered material testing procedures. This section SN/T Section 53469 of. This section drafted in accordance with GB/T 1.1-2009 given rules. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section was drafted by. People's Republic of China Tianjin Entry-Exit-Entry Inspection and Xinjiang People's Republic of China Quarantine Bureau. The main drafters of this section. Hood new, Wang Haoyun, Xiao Kui, Liu, Wang Hong, Li Quan Bin, Wang Zhaorui, Zhao Jiangyong. Determination of imported crude copper smelting or sintered material of platinum, palladium content Inductively Coupled Plasma Mass Spectrometry

1 Scope

SN/T 3469 provisions of this part of the inductively coupled plasma mass spectrometry imported crude copper smelting or sintered material of platinum, palladium content method. This section applies to imported crude refining or sintered material in the determination of copper, platinum, palladium content detection limit. Pt was 0.13μg/kg, Pd was 0.11μg/kg.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 2007.1 minerals in bulk sampling, preparation General manual sampling methods Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample addition of hydrochloric acid, nitric acid decomposition of hypothermia after filtration through activated carbon - anion resin adsorption enrichment. Ashing activated carbon - anion tree Fat, with dilute hydrochloric acid, dissolve after capacity was measured in the plasma mass spectrometer.

4 Reagents and materials

Unless otherwise indicated in the analysis using only recognized as analytical reagents, test water standards in line with GB/T 6682 provided a Grade water. 4.1 hydrochloride (1.19g/mL). 4.2 nitrate (1.42g/mL). 4.3 Hydrofluoric acid (1.15g/mL). 4.4 with dilute hydrochloric acid (19). 4.5 platinum, palladium standard stock solution (1000μg/mL), each element standard solution used directly or formulated in accordance with national standards GB/T 602 method Reference material. 4.6 platinum, palladium mixed standard solution series. serial dilution of platinum, palladium standard stock solution elements (4.5), configured as platinum, palladium concentrations 0.00μg/L, 2.00μg/L, 5.00μg/L, 20.00μg/L, 50.00μg/L series of mixed standard solution. 4.7 Anion Exchange Resin.201 × 7 type styrenic strongly basic anion exchange resin (60 mesh to 80 mesh), with 30% (V/V) of Hydrochloric acid soak 24h, it fully swollen after the transformation, washed three times, soaked in water use. 4.8 Activated Carbon. A commercially available powdered activated carbon with 50% (V/V) hydrochloric acid, 50% (V/V) hydrofluoric acid soaking, plus a Buchner funnel suction pump After filtration, washed three times, drained, dried at 110 ℃ spare. 4.9 medium speed filter paper. ...