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US$209.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 0736.14-2011: Test method of import and export fertilizers. Part 14: Determination of trace inorganic anions by ion chromatography method Status: Valid
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| SN/T 0736.14-2011 | English | 209 |
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Test method of import and export fertilizers. Part 14: Determination of trace inorganic anions by ion chromatography method
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SN/T 0736.14-2011
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Basic data | Standard ID | SN/T 0736.14-2011 (SN/T0736.14-2011) | | Description (Translated English) | Test method of import and export fertilizers. Part 14: Determination of trace inorganic anions by ion chromatography method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | G20 | | Word Count Estimation | 8,833 | | Date of Issue | 2011-05-31 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 6682; SN/T 0736.1 | | Regulation (derived from) | National-Quality-Inspection-accreditation (2011) 291 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of chloride ion in fertilizer, nitrite ions, nitrate ions, ion chromatographic method sulfate ions and phosphate ions. This section applies to the import and export of inorganic fertilizer, organic-inorganic compound fertilizers trace chloride, nitrite ions, nitrate ions, determination of sulfate ions and phosphate ions. |
SN/T 0736.14-2011: Test method of import and export fertilizers. Part 14: Determination of trace inorganic anions by ion chromatography method ---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.
Test method of import and export fertilizers Part 14. Determination of trace inorganic anions by ion chromatography method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers fertilizer test methods - Part 14. Ion
Determination of trace inorganic anions
Testmethodofimportandexportfertilizers-Part 14. Determinationoftrace
Issued on. 2011-05-31
2011-12-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 0736 "Importers fertilizer test methods" standard series is divided into 14 parts.
--- Part 1. sampling and sample preparation;
--- Part 2. Determination of moisture;
--- Part 3. Determination of particle size;
--- Part 4. Flame atomic absorption spectrometric method for the determination of sodium content;
--- Part 8. Determination of shrinkage diurea content;
--- Part 10. Determination of the free acid;
--- Part 11. automatic analyzer nitrogen content;
--- Part 12. Determination of Arsenic, chromium, cadmium, mercury, lead by inductively coupled plasma mass spectrometry;
--- Part 13. Flame atomic absorption spectrometric method for the determination of copper, zinc, iron, manganese, magnesium, cobalt, nickel content;
--- Part 14. Determination of Inorganic anions by ion chromatography.
This section SN/T 0736 "Importers fertilizer test methods" Part 14 series of standards.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section was drafted by. People's Republic of China Shaanxi Exit Inspection and Quarantine, People's Republic of China Entry-Exit Inspection and Houma
Quarantine Bureau.
The main drafters of this section. Chang-Zhao, Zhang Lin, love mountain music, Zhang Xinzhi, Cai Yan, ZHAO Lin Qiang.
The first part of the Department of Inspection and Quarantine issued by industry standards.
Importers fertilizer test methods - Part 14. Ion
Determination of trace inorganic anions
1 Scope
This section provides the import and export of fertilizers chloride, nitrite, nitrate, sulfate ions and phosphate ions ions
Chromatographic method.
This section applies to the import and export of inorganic fertilizers, organic and inorganic compound fertilizer trace chloride, nitrite, nitrate ion, sulfate
Determination of ions and phosphate ions.
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
SN/T 0736.1 fertilizer import and export inspection methods of sampling and sample preparation
Principle 3
Ultrasonic extraction of inorganic fertilizer, organic-inorganic compound fertilizer by ultrasonic extraction, centrifugation, solid phase extraction column separation methods such as extraction and purification.
Potassium hydroxide solution as eluent anion exchange column, the conductivity detector. Retention time qualitative, external standard.
4 Reagents
Unless otherwise specified, in line with an analysis of water for the water GB/T 6682 regulations.
4.1 Chloride (of Cl-) standard solution (1000mg/L, water-base).
4.2 nitrite ion (NO-2) standard solution (1000mg/L, water-base).
4.3 nitrate ions (NO-3) standard solution (1000mg/L, water-base).
4.4 Sulfate ion (with SO2-4) standard solution (1000mg/L, water-base).
4.5 phosphate ions (PO3-4) standard solution (1000mg/L, water-base).
4.6 Chloride (Cl-, the same below) and nitrite (in NO-2, the same below) mixed standard solution. Pipette accurately chloride ion (Cl-)
And nitrite (NO-2) standard solution each 5mL in 100mL volumetric flask, dilute to the mark, and this solution 1mL chlorine
Ion, nitrite ion each 50.0μg.
4.7 Nitrate (with NO-3, the same below), sulfate (SO2-4 in dollars, the same below) and phosphate (in PO3-4, the same below) using standard mix
Solution. accurate Pipette nitrate ions (NO-3), sulfate ion (SO2-4) and phosphate ions (PO3-4) standard solution 10mL to
100mL volumetric flask, dilute to the mark, 1mL solution containing nitrate ion, sulfate ion, phosphate ion each 100.0μg.
5. Apparatus
5.1 Ion chromatograph. including conductivity detector with suppressors, high capacity anion exchange column, 25μL loop.
5.2 ultrasonic cleaner.
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