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SN/T 4028-2014: Determination of calciumm, agnesium, aluminium, silicon, titanium, cobalt, stibium, and zinc in plastic and plastic products - Microwave ashing-inductively coupled plasma optical emission spectrometry method
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SN/T 4028-2014	English	259	Add to Cart	3 days [Need to translate]	Determination of calciumm, agnesium, aluminium, silicon, titanium, cobalt, stibium, and zinc in plastic and plastic products - Microwave ashing-inductively coupled plasma optical emission spectrometry method

SN/T 4028-2014: Determination of calciumm, agnesium, aluminium, silicon, titanium, cobalt, stibium, and zinc in plastic and plastic products - Microwave ashing-inductively coupled plasma optical emission spectrometry method

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(Determination of plastic and its products, calcium, magnesium, aluminum, silicon, titanium, cobalt, antimony and zinc Microwave Ashing - inductively coupled plasma atomic emission spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Plastics and articles of calcium, magnesium, aluminum, silicon, titanium, cobalt, Antimony and zinc by microwave ashing - Inductively Coupled Plasma atomic emission spectrometry Determinationofcalcium, magnesium, aluminium, silicon, titanium, cobalt, stibium, andzincinplasticandplasticproducts-Microwave Issued on. 2014-11-19 2015-05-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard is mainly drafted by. People's Republic of China Ningbo Exit Inspection and Quarantine. The main drafters of this standard. Wu bud, Ye Jia Mei, Lin Zhenxing, Wang Hao, Luo Chuan, Zhang Ying, Tie Shan, Sun Jun Meng. Plastics and articles of calcium, magnesium, aluminum, silicon, titanium, cobalt, Antimony and zinc by microwave ashing - Inductively Coupled Plasma atomic emission spectrometry

1 Scope

This standard specifies the plastic and its products in the microwave ashing inductively coupled calcium, magnesium, aluminum, silicon, titanium, cobalt, antimony and zinc content of the plasma emission light Spectroscopy methods. This standard is suitable for plastics and products - Determination of calcium, magnesium, aluminum, silicon, titanium, cobalt, antimony and zinc, the lower limit of detection are magnesium, titanium, zinc. 0.1mg/kg, cobalt. 0.2mg/kg, Ca. 0.5mg/kg, Al, Si. 1.0mg/kg, antimony. 2.0mg/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 Laboratory use specifications and test methods GB/T 6682 Analysis JJG015 inductively coupled plasma atomic emission spectrometer test procedures

3 Method summary

The samples were microwave ashing, dilithium tetraborate/lithium fluoride melt flux residue is dissolved in the molten mixture of tartaric acid And hydrochloric acid solution and diluted with water to volume. Test solution by inductively coupled plasma emission spectrometer to determine the elements of the working curve content.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade, water as a secondary water GB/T 6682 regulations. 4.1 dilithium tetraborate (Li2B4O7). 4.2 lithium fluoride (LiF). 4.3 tartaric acid. 4.4 hydrochloric acid (ρ = 1.19g/mL), pure class distinctions. 4.5 flux, take 9g dilithium tetraborate (4.1) and 1g lithium fluoride (4.2), and mix. 4.6 hydrochloric acid solution (496, volume ratio). 4.7 tartaric acid solution. Weigh accurately tartaric 4g, (4.6) was dissolved in hydrochloric acid, dilute to 1L. 4.8 calcium, magnesium, aluminum, silicon, titanium, cobalt, antimony, zinc single element stock solution (1000mg/L). each element standard solution according to GB/T 602 method Hotels System, or directly with the national standard material. ...