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SN/T 3911-2014 PDF English

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SN/T 3911-2014: Determination of water soluble fluorine in building sands - Ion chromatography
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SN/T 3911-2014English209 Add to Cart 3 days [Need to translate] Determination of water soluble fluorine in building sands - Ion chromatography

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Basic data

Standard ID SN/T 3911-2014 (SN/T3911-2014)
Description (Translated English) Determination of water soluble fluorine in building sands - Ion chromatography
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Q13
Classification of International Standard 91.100.10
Word Count Estimation 8,849
Date of Issue 4/9/2014
Date of Implementation 11/1/2014
Quoted Standard GB/T 2007.2; GB/T 6379.2; GB/T 6682
Regulation (derived from) State inspection certification (2014) 210
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the ion chromatographic method using gravel soluble fluorine ion content of the building. This standard applies to the determination of sand and gravel for construction of water-soluble fluoride content, methods, scope of 2.00 mg/k

SN/T 3911-2014: Determination of water soluble fluorine in building sands - Ion chromatography



---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.
(Construction sand and gravel content of soluble fluorine ion by ion chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of soluble fluorine ion content of sand used in construction Ion Chromatography 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 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 was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Wangzhen Kun, Wang Jin, Zangshi Yang, Su-Mei Wang, newly Hood, Mo Yuqing. Determination of soluble fluorine ion content of sand used in construction Ion Chromatography

1 Scope

This standard specifies the ion chromatographic method using gravel soluble fluorine ion content of the building. This standard applies to the determination of sand and gravel for construction of water-soluble fluoride content, methods, scope of 2.00mg/kg ~ 200mg/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. GB/T 2007.2 bulk minerals sampling and sample preparation General GB/T 6379.2 measurement methods and results of Accuracy (trueness and precision) - Part 2. Determine the standard measurement method to repeat Of the basic methods of reproduction (ISO 5725-2.1994, IDT) Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Sample direct water immersion, ultrasonic extraction, in which the water-soluble fluoride ions dissolved in water was determined by ion chromatography. Retention time given Resistance, external standard method for quantitative.

4 Reagents and materials

4.1 Water. Water line with a GB/T 6682 regulations. 4.2 standard stock solution of fluoride ion (1000mg/L). purchase of certified reference materials. 4.3 Fluoride standard solution (100mg/L). dispensing standard stock solution of fluoride ion (4.2) 10.00mL in 100mL flask In (5.9), dilute to the mark and mix. 5. Apparatus 5.1 Ion Chromatography. Electrical conductivity detector. 5.2 Centrifuge. with temperature control function, speed is not less than 9000r/min. 5.3 Analysis of balance. a sense of the amount of 1mg. 5.4 ultrasonic cleaning device. power not less than 500W. 5.5 IC-RP column and IC-Na column. 5.6 nylon filter. 0.22μm. 5.7 Syringe. 5mL. 5.8 steel flask. 50mL. 5.9 PP flask. 100mL. ...

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