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SN/T 2297.8-2015: Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2297.8-2015 | English | 189 |
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Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography
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SN/T 2297.8-2015
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Basic data | Standard ID | SN/T 2297.8-2015 (SN/T2297.8-2015) | | Description (Translated English) | Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | Q62 | | Classification of International Standard | 91.100.10 | | Word Count Estimation | 8,833 | | Date of Issue | 2015-02-09 | | Date of Implementation | 2015-09-01 | | Quoted Standard | GB/T 602; GB/T 6682 | | Regulation (derived from) | State-Quality-Inspection-Accreditation [2015] 59 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the method for the determination by ion chromatography gypsum and gypsum products in water-soluble fluoride and chloride content. This standard applies to the determination of gypsum and gypsum products in water-soluble fluoride and chloride content. Measurement range of fluorine and chlorine content: 12 mg/kg ~ 1 600 mg/kg. | SN/T 2297.8-2015: Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography
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(Gypsum and gypsum products Analysis - Part 8. Water-soluble fluoride, chloride content - Ion Chromatography)
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Gypsum and gypsum products Analysis
Part 8. Water-soluble fluorides, chlorides
Determination by ion chromatography
Part 8. Determinationofwatersolublefluorideandchloridecontent-
Issued on. 2015-02-09
2015-09-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 2297 "gypsum and gypsum products analysis" is divided into eight sections.
--- 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;
--- Part 5. Determination of sulfur content by gas chromatography - mass spectrometry;
--- Part 6. Determination of elemental sulfur;
--- Part 7. arsenic, mercury content by atomic fluorescence spectrometry;
--- Part 8. Water-soluble fluoride, chloride content by ion chromatography.
This section SN/T 2297 Part 8.
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. People's Republic of China Fujian Exit Inspection and Quarantine, Longyan.
The main drafters of this standard. Zhong Jian Hai, Chen Jinfeng, Zhang Jin, Chen Jie, Zhengrui Juan, Zhang Yanyan, Liu Mingjian, Ya sister.
Gypsum and gypsum products Analysis
Part 8. Water-soluble fluorides, chlorides
Determination by ion chromatography
1 Scope
SN/T 2297 provisions of this part of the determination of gypsum and gypsum products in water-soluble fluoride and chloride content of ion chromatography
method.
This section applies to the determination of gypsum and gypsum products in water-soluble fluoride and chloride content. Fluorine and chlorine content measurement range.
12mg/kg ~ 1600mg/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
3 Method summary
Ultrasonic extraction of water samples, after clarification of the supernatant was measured by dilution with ion chromatography to be placed. Retention time qualitative, external standard method
Quantified.
4 Reagents and materials
Unless otherwise indicated, the reagents used in the analysis were of analytical grade, test water should be consistent with a water GB/T 6682 stipulated requirements.
4.1 sodium carbonate.
4.2 sodium bicarbonate.
4.3 single element standard solution (1000μg/mL). fluorine and chlorine standard solution according to GB/T 602 method of preparation, or the direct purchase of certified reference
substance.
4.4 fluoro standard stock solution (100μg/mL). pipette accurately Pipette fluoro standard solution (4.3) 10mL to 100mL volumetric flask
Diluted with water to volume, and mix.
4.5 standard chlorine stock solution (100μg/mL). pipette Pipette accurate chlorine standard solution (4.3) 10mL to 100mL volumetric flask
Diluted with water to volume, and mix.
4.6 mixed standard solution (fluorine, chlorine concentration was 10μg/mL). Pipette fluoro standard stock solution (4.4) and chlorine standard stock solution (4.5), respectively
10mL placed in 100mL volumetric flask, and dilute with water to volume, and mix.
4.7 filter, 0.22μm, nylon.
5. Apparatus
5.1 ion chromatograph with suppressor and conductivity detector.
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