GB/T 24876-2010 English PDF

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GB/T 24876-2010: Determination of seven anions in water from livestock and poultry farm -- Ion chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24876-2010	139	Add to Cart	3 days	Determination of seven anions in water from livestock and poultry farm -- Ion chromatography	Valid

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Basic data

Standard ID: GB/T 24876-2010 (GB/T24876-2010)
Description (Translated English): Determination of seven anions in water from livestock and poultry farm -- Ion chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B40
Classification of International Standard: 65.020
Word Count Estimation: 6,687
Date of Issue: 2010-06-30
Date of Implementation: 2011-01-01
Quoted Standard: GB/T 5750.2; GB/T 6682
Regulation (derived from): National Standard Approval Announcement 2010 No.2 (Total No.157)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the ion chromatographic determination of fluoride in water livestock, chloride, nitrite ion) bromide, . Sulfate ions and phosphate ions seven anions way, nitrate ions. This standard applies to the simultaneous determination of livestock wastewater seven anions.

GB/T 24876-2010: Determination of seven anions in water from livestock and poultry farm -- 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.
Determination of seven anions in water from livestock and poultry farm. Ion chromatography ICS 65.020 Y 32 National Standards of People's Republic of China Determination of livestock sewage Seven anion Ion Chromatography 2010-06-30 issued 2011-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released National standard Determination of livestock sewage Seven anion Ion Chromatography

Foreword

Appendix A of this standard is an informative annex. The standard proposed by the People's Republic of China Ministry of Agriculture. This standard by the National Standardization Technical Committee of animal husbandry. This standard was drafted. Shandong Province Livestock Environmental Quality Monitoring Center. The main drafters of this standard. Li Junling, war Ming Yu, Gong Lingling, Solving the, Li Guihua, Li Qiang, Yang Zhiqiang, Li Bin. Determination of livestock sewage Seven anion Ion Chromatography

1 Scope

This standard specifies the ion chromatography livestock waste water fluoride ion (F-), chlorine ion (Cl-), nitrite (NO2-), Bromide ion (Br-), nitrate ion (NO3-), sulfate ion (by SO42-) and phosphate ions (of PO43-) seven kinds of anionic method. This standard applies to livestock sewage F-, synchronous Cl-, NO2-, Br-, NO3-, SO42- and PO43- seven kinds of anions Determination. The quantitative limit. When the injection volume was 25μL time, F -, NO3 - N was 0.1mg/L, Cl-, NO2 - N, Br-, SO42- and PO43- of 0.5mg/L.

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. GB/T 5750.2 drinking water standard test method for water sample collection and preservation Laboratory use specifications and test methods GB/T 6682 Analysis

3 PRINCIPLE OF THE METHOD

Sample after solid phase extraction column purification using anion exchange separation column with potassium hydroxide solution as eluent, followed by separation of inorganic anion Ion F-, Cl-, NO2-, Br-, NO3-, SO42- and PO43-, electric conductivity detector for detecting the peak of the standard sample solution Liquid chromatographic peaks each ion compared to the retention time qualitative and quantitative peak area.

4 Reagents and materials

Unless otherwise indicated in the analysis using only analytical reagent water in line with GB/T 6682 a water policy. 4.1 methanol. 4.2 potassium hydroxide. 4.3 Mobile phase. You can use the automatic eluent generator, or formulated as described below. 4.3.1 The mobile phase working fluid Ⅰ. Weigh accurately 0.56g of potassium hydroxide (4.2) dissolved, constant volume 1000mL volumetric flask. concentration Of 10mmol/L. 4.3.2 The mobile phase working fluid Ⅱ. \u200b\u200bWeigh accurately 1.96g of potassium hydroxide (4.2) dissolved, constant volume 1000mL volumetric flask. concentration Of 35mmol/L. 4.4 standard stock solution. NO2 - N concentration of 100mg/L, F-, Br-, NO3 - N, PO43-, Cl-, SO42- concentration 1000mg/L. 4.5 Mixed operation of standard solution. accurate Pipette F-, Br-, NO3, respectively - N, PO43-, Cl-, SO42- stock standard solution (4.4) 10mL to 100mL same volumetric flask with water to volume, shake a concentration of 100mg/L. Pipette accurately and the mixed solution NO2 - N stock standard solution (4.4) each to the same 50mL 100mL flask, shake, F-, NO2 - N, Br-, NO3 - N, PO43-, Cl- and SO42- concentration was 50.0mg/L. Using now. 4.6 SPE Column. C18 column, 3mL/600mg; weak cation exchange column, 3mL/600mg. ......

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