SN/T 2297.1-2009 English PDF

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SN/T 2297.1-2009: Chemical analysis methods of gypsum and gypsum products for import and export. Part 1: Determination of strontium content
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2297.1-2009	319	Add to Cart	3 days	Chemical analysis methods of gypsum and gypsum products for import and export. Part 1: Determination of strontium content	Valid

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Basic data

Standard ID: SN/T 2297.1-2009 (SN/T2297.1-2009)
Description (Translated English): Chemical analysis methods of gypsum and gypsum products for import and export. Part 1: Determination of strontium content
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Q62
Classification of International Standard: 91.100.10
Word Count Estimation: 12,169
Date of Issue: 2009-07-07
Date of Implementation: 2010-01-16
Quoted Standard: GB/T 620; GB/T 6682; GB/T 9776
Regulation (derived from): National Quality Inspection (2010) 290; industry standard filing Notice 2010 No. 10 (No. 130 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the inductively coupled plasma- atomic emission spectroscopy (ICP-AES), inductively coupled plasma mass spectrometry (ICP-MS) and flame atomic absorption spectrometry (FAAS) determination of gypsum and gypsum products in the strontium content approach. This standard applies to gypsum and gypsum products in the detection of strontium content.

SN/T 2297.1-2009: Chemical analysis methods of gypsum and gypsum products for import and export. Part 1: Determination of strontium content

---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.
Chemical analysis methods of gypsum and gypsum products for import and export.Part 1. Determination of strontium content People's Republic of China Entry-Exit Inspection and Quarantine Standards Import and export of gypsum and chemical analysis of gypsum products Determination of strontium content. Part 1 Part 1. Determinationofstrontiumcontent Posted 2009-07-07 2010-01-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2297 "Importers gypsum and gypsum products, chemical analysis method" series of standards is divided into four parts. --- Part 1. Determination of strontium content; --- Part 2. Determination of organic matter; --- Part 3. Determination of sulfide content; --- Part 4. Determination of volatile sulfur compounds. This section SN/T 2297 "Importers gypsum and gypsum products, chemical analysis method" series of standards - Part 1. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section is responsible for drafting unit. People's Republic of China Tianjin Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Fujian Entry-Exit Inspection and Quarantine Bureau, China Academy of Inspection and Quarantine, China Entry-Exit Inspection and Quarantine Association, People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau. The main drafters of this section. Benny Lau from Jia Xiaochuan, Zhao Zhuo, Zhou, Zhang Shu, Yang Yan, Wei Hongbing, Liang Ming, Lu Zhigang, Sun Shujun, Ding Yu, Han Wei. The first part of the Department of Inspection and Quarantine issued by industry standards. Import and export of gypsum and chemical analysis of gypsum products Determination of strontium content. Part 1

1 Scope

This section SN/T 2297 specifies the inductively coupled plasma-atomic emission spectroscopy (ICP-AES), inductively coupled plasma mass spectrometry (ICP-MS) and flame atomic absorption spectrometry (FAAS) gypsum and gypsum products in the method for the determination of strontium. This section applies to the detection of gypsum and gypsum products strontium content.

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 620 HF Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 9776 building plaster

3 Terms and definitions

GB/T 9776 defined by the following terms and definitions apply to this document. 3.1 Gypsum calcinedgypsum Natural gypsum or industrial by-product gypsum dehydration treatment was to β hemihydrate calcium sulfate (β-CaSO4 · 1/2H2O) as a main component, Without any pre-admixtures or additives powdered cementitious material. A method of inductively coupled plasma atomic emission spectrometry

4 Method summary

Sample with an appropriate acid dissolved, diluted to a certain volume, the test solution injected into the plasma torch flame, and as light source. Plasma Body corresponding element spectrometer wavelength, light intensity measured to determine its content from the calibration curve.

5 Reagents and materials

Unless otherwise indicated, all reagents superior grade pure water GB/T 6682 provisions of secondary water. Nitrate 5.1 (ρ1.42g/mL). 5.2 hydrochloride (11). 5.3 Hydrofluoric acid (ρ1.14g/mL). 5.4 perchloric acid (ρ1.76g/mL). ......

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