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SN/T 2081-2008 English PDF

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SN/T 2081-2008: Determination of impurities in alumina-Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution
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SN/T 2081-2008English239 Add to Cart 3 days [Need to translate] Determination of impurities in alumina-Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution Valid SN/T 2081-2008

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Basic data

Standard ID SN/T 2081-2008 (SN/T2081-2008)
Description (Translated English) Determination of impurities in alumina-Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard H25
Classification of International Standard 77.040
Word Count Estimation 9,936
Date of Issue 2008-04-29
Date of Implementation 2008-11-01
Quoted Standard GB/T 602; GB/T 6682; JJG 015
Regulation (derived from) National-accreditation-Science [2012] 57
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the alumina, sodium, potassium, calcium, silicon, iron, titanium, manganese, zinc, copper, vanadium, chromium, boron and other 12 kinds of elements. This standard applies to alumina, sodium, potassium, calcium, silicon, iron, titanium, manganese, zinc, copper, vanadium, chromium, boron and other 12 kinds of element content.

SN/T 2081-2008: Determination of impurities in alumina-Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution


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Determination of impurities in alumina-Inductively coupled plasma atomic emission spectrometric method (ICP-AES) with microwave dissolution Exit inspection and quarantine industry standard book People's Republic of China Determination of aluminum oxide content of impurity elements Microwave Digestion and ICP-AES method Posted 2008-04-29 2008-11-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B are informative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Jiang Yu, Wang Tong wins, including Min, Hou Jin, Zhi-Yong Wei, Lee and Wu Yang, full-Lin, Zhang Mei, Zhong Zhiguang, Xiao Dahui. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of aluminum oxide content of impurity elements Microwave Digestion and ICP-AES method

1 Scope

This standard specifies the method of alumina, sodium, potassium, calcium, silicon, iron, titanium, manganese, zinc, copper, vanadium, chromium, boron and other 12 kinds of elements. This standard applies to the determination of alumina, sodium, potassium, calcium, silicon, iron, titanium, manganese, zinc, copper, vanadium, chromium, boron and other 12 kinds of nutrient contents. Determination Fan As shown in Table 1 around the content. Table 12 Elements of measurement range in% Element measurement range (mass fraction) Na 0.056 ~ 0.929 K 0.0018 ~ 0.107 Ca 0.0081 ~ 0.105 Si 0.0033 ~ 0.114 Fe 0.0061 ~ 0.074 Ti 0.00034 ~ 0.018 Element measurement range (mass fraction) Mn 0.00005 ~ 0.0080 Zn 0.00055 ~ 0.0368 Cu 0.0015 ~ 0.0137 V 0.00018 ~ 0.0077 Cr 0.0015 ~ 0.0106 B 0.00026 ~ 0.0026

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. 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

Using a closed pressurized microwave sample dissolution method, the sample is dissolved phosphoric acid, the solution was diluted to a certain volume after volume, measured by ICP-AES solution Analyte solution strength characteristic spectral lines to determine its content from the working curve.

4 Reagents

Unless otherwise stated, the method used reagents were gifted class pure reagents, test water to comply with two water GB/T 6682 regulations. 4.1 Phosphate. (ρ = 1.69g/mL). 4.2 aluminum. high purity aluminum scrap, aluminum content ≥99.999% (with a small amount of concentrated nitric acid pre-dip, washed with water after the addition of nitric acid, anhydrous ethanol or Washed twice with acetone, dried). 4.3 single element standard stock solution. 12 kinds of single-element standard solution of sodium, potassium, calcium, silicon, iron, titanium, manganese, zinc, copper, vanadium, chromium, boron, etc. can be used directly Using certified reference materials, or prepared according to GB/T 602 method, its concentration were 1000μg/mL. 4.4 K, Ca, B mixed standard stock solution. accurately Pipette respectively K, Ca, B stock standard solution (4.3) 10mL, 10mL, 1mL set

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