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SN/T 3916-2014 English PDF

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SN/T 3916-2014: Determination of molybdenum, iron, lead, copper, silicon, calcium in molybdenum concentrates by X-ray fluorescence spectrometry
Status: Valid
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SN/T 3916-2014English239 Add to Cart 3 days [Need to translate] Determination of molybdenum, iron, lead, copper, silicon, calcium in molybdenum concentrates by X-ray fluorescence spectrometry Valid SN/T 3916-2014

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Basic data

Standard ID SN/T 3916-2014 (SN/T3916-2014)
Description (Translated English) Determination of molybdenum, iron, lead, copper, silicon, calcium in molybdenum concentrates by X-ray fluorescence spectrometry
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard D43
Classification of International Standard 73.060
Word Count Estimation 9,970
Date of Issue 4/9/2014
Date of Implementation 11/1/2014
Quoted Standard GB/T 6682; GB/T 16597
Regulation (derived from) State inspection certification (2014) 210
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the molybdenum concentrate molybdenum, iron, lead, copper, silicon, calcium content of wavelength dispersive X-ray fluorescence spectrometry. This standard applies to the determination of molybdenum in molybdenum concentrate, iron,

SN/T 3916-2014: Determination of molybdenum, iron, lead, copper, silicon, calcium in molybdenum concentrates by X-ray fluorescence spectrometry


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Determination of molybdenum, iron, lead, copper, silicon, calcium in molybdenum concentrates by X-ray fluorescence spectrometry People's Republic of China Entry-Exit Inspection and Quarantine Standards The molybdenum concentrate molybdenum, iron, lead, copper, silicon, calcium element Determination of X-ray fluorescence spectrometry Determinationofmolybdenum, iron, lead, copper, silicon, calciuminmolybdenum 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

This standard was drafted according to GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Committee. This standard was drafted. Xinjiang People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Qin Ting, Zhang Xulong, Wan Yong Liang, Yang Zhong, all small shield, hot Zi Wan, Zhu Xia. The molybdenum concentrate molybdenum, iron, lead, copper, silicon, calcium element Determination of X-ray fluorescence spectrometry

1 Scope

This standard specifies the molybdenum concentrate molybdenum, iron, lead, copper, silicon, calcium content of wavelength dispersive X-ray fluorescence spectrometry. This standard applies to the determination of molybdenum in molybdenum concentrate, iron, lead, copper, silicon, calcium content, the content of each element measuring range in Table 1. Table 1 Measuring range% (mass fraction) Element measurement range Mo 42 ~ 59 Fe 1.0 ~ 10.0 Pb 0.05 ~ 3.0 Cu 0.05 ~ 3.0 Si 0.70 ~ 7.48 Ca 0.1 ~ 4.0

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. Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 16597 metallurgical product analysis X-ray Fluorescence Spectrometry General

3 Method summary

With lithium tetraborate as a flux, lithium bromide as a release agent for preparing molybdenum concentrate sample piece, at the chosen instrument optimized conditions, with X-ray fluorescence Spectrophotometer measured X-ray fluorescence intensity measured elements characteristic lines, according to the X-ray fluorescence intensity and analyte to be Quantitative relationship between the measured element contents, calculate the amount of analyte.

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 lithium tetraborate (LiB4O7). burning 2h at 650 ℃, placed in a desiccator storage backup. 4.2 lithium bromide (LiBr). at 105 ℃ baking 1h, placed in a desiccator storage backup. 4.3 lithium nitrate (LiNO3). at 105 ℃ drying 2h, placed in a desiccator storage backup. 4.4 lithium bromide solution. 120mg/mL, weighed 60g bromide, accurate to 1mg, dissolved in 200mL water and diluted to 500mL. 4.5 P-10 mixture. containing 90% argon and 10% methane (by volume).

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