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YC/T 248-2008 English PDF

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YC/T 248-2008: Tobacco and tobacco products-- Determination of inorganic anion. Ion chromatographic method
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YC/T 248-2008English189 Add to Cart 3 days [Need to translate] Tobacco and tobacco products-- Determination of inorganic anion. Ion chromatographic method Valid YC/T 248-2008

PDF similar to YC/T 248-2008


Standard similar to YC/T 248-2008

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Basic data

Standard ID YC/T 248-2008 (YC/T248-2008)
Description (Translated English) Tobacco and tobacco products-- Determination of inorganic anion. Ion chromatographic method
Sector / Industry Tobacco Industry Standard (Recommended)
Classification of Chinese Standard X85
Classification of International Standard 65.160
Word Count Estimation 7,762
Date of Issue 4/14/2008
Date of Implementation 2008-04-14
Quoted Standard GB/T 5606.1; GB/T 6682; GB/T 19616; YC/T 31
Issuing agency(ies) State Tobacco Monopoly Administration
Summary This standard specifies the tobacco and tobacco products in the C1-, NO3-, SO42-, PO43-four kinds of inorganic anion ion chromatographic method. This standard applies to tobacco and tobacco products in the C1-, NO3-, SO42-, PO43-four kinds of inorganic anion determination.

YC/T 248-2008: Tobacco and tobacco products-- Determination of inorganic anion. Ion chromatographic 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.
Tobacco and tobacco products-- Determination of inorganic anion.Ion chromatographic method ICS 65.160 X85 Record Number. 23587-2008 People's Republic of China tobacco industry standards Tobacco and tobacco products Determination of inorganic anions Ion Chromatography Posted 2008-04-14 2008-04-14 implementation State Tobacco Monopoly Bureau issued

Foreword

Appendix A of this standard is an informative annex. This standard was proposed by the State Tobacco Monopoly Bureau. This standard by the National Standardization Technical Committee on Tobacco (TC144) centralized. This standard was drafted. National Tobacco Quality Supervision and Inspection Center, China Tobacco Hunan Industrial Co., Ltd., Guangdong tobacco industry limited liability Any company, Shanghai Tobacco (Group) Company. The main drafters of this standard. Gang Tang Ling, Wu Ming-Jian, Su Tuo line, Hu Qingyuan, Hu Jing, Han, Sun Wenliang, Shen light forest. Tobacco and tobacco products Determination of inorganic anions Ion Chromatography

1 Scope

This standard specifies the tobacco and tobacco products Cl-, NO3-, SO42-, PO43- four kinds of ion chromatographic method for determination of inorganic anions. This standard applies to tobacco and tobacco products Cl-, NO3-, SO42-, PO43- measured four kinds of inorganic anions.

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 5606.1 cigarette - Part 1. Sampling GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987) General principles GB/T 19616 batches of raw tobacco samples (GB/T 19616-2004, ISO 4874.2000, MOD) Preparation and water YC/T 31 samples of tobacco and tobacco products - Determination oven method Principle 3 Ultrasonic extraction with water sample Cl-, NO3-, SO42-, PO43- after four kinds of anion extract by anion exchange separation, Conductivity detection quantitative analysis.

4 Reagents and materials

4.1 Reagents 4.1.1 Cl- standard solution, 1000μg/mL. 4.1.2 NO3- standard solution, 1000μg/mL. 4.1.3 SO42- standard solution, 1000μg/mL. 4.1.4 PO43- standard solution, 1000μg/mL. 4.1.5 sodium hydroxide solution, 50% (mass fraction). 4.2 reagent preparation 4.2.1 The mobile phase preparation Mobile phase A. 60mmol/L sodium hydroxide solution. Mobile phase B. water. 4.2.2 single stock standard solution Each single standard stock solution preparation, concentration was 100μg/mL, stored at 0 ℃ ~ 4 ℃ conditions, can be stored for 4 weeks. 4.2.3 Mixed operation of standard solution Formulated in accordance with Table 1 mixed working standard solution, and should be ready to use that is equipped. Table 1 # 1 # 1-4 Mixed operation of standard solutions from a single standard Stock solution (4.2.2) mixing diluted formulation; 5 # 6 # ~ Mixed operation of standard solution (4.1.1), NO3- by the standard solution standard solution Cl- (4.1.2), SO42- standard solution (4.1.3), PO43- standard solution (4.1.4) diluted formulation after mixing.

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