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SN/T 1911-2007 English PDF

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SN/T 1911-2007: Determination of lead and arsenic contents in paper used for cigarettes for import-export by ICP-AES
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
SN/T 1911-2007	English	199	Add to Cart	3 days [Need to translate]	Determination of lead and arsenic contents in paper used for cigarettes for import-export by ICP-AES	Valid	SN/T 1911-2007

PDF similar to SN/T 1911-2007

Standard similar to SN/T 1911-2007

GB/T 12729.2 SN/T 0803.6 GB 2635 SN/T 1146.2

Basic data

Standard ID	SN/T 1911-2007 (SN/T1911-2007)
Description (Translated English)	Determination of lead and arsenic contents in paper used for cigarettes for import-export by ICP-AES
Sector / Industry	Commodity Inspection Standard (Recommended)
Classification of Chinese Standard	B35
Classification of International Standard	65.160
Word Count Estimation	6,633
Date of Issue	2007-05-23
Date of Implementation	2007-12-01
Quoted Standard	GB/T 6379; SN/T 0874
Regulation (derived from)	National-accreditation-Science [2011] 63
Issuing agency(ies)	General Administration of Customs
Summary	This standard specifies the cigarette paper import and export of lead and arsenic content by inductively coupled plasma atomic emission spectrometric method. This standard applies to cigarette paper import and export of lead, arsenic content.

SN/T 1911-2007: Determination of lead and arsenic contents in paper used for cigarettes for import-export by ICP-AES

---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 lead and arsenic contents in paper used for cigarettes for import-export by ICP-AES Exit inspection and quarantine industry standard book People's Republic of China Determination of cigarette paper import and export of lead, arsenic content Inductively coupled plasma atomic emission spectrometry Posted 2007-05-23 2007-12-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Yunnan Exit Inspection and Quarantine. The main drafters of this standard. Liang Wenjun, Cao Hong, Yangling Chun, Dan Ming, Qi Xiaoyan, Liu Yongjia, Ma Zhiyun Liu Jun. This standard is the first release of the entry-exit inspection and quarantine industry standards. Determination of cigarette paper import and export of lead, arsenic content Inductively coupled plasma atomic emission spectrometry

1 Scope

This standard specifies the inductively coupled plasma atomic cigarette paper import and export of lead, arsenic content emission spectrometry (abbreviated ICP-AES) Determination method. This standard is applicable to the determination cigarette paper import and export of lead, arsenic content in.

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 6379 the accuracy of the test methods and results SN/T 0874 inspection of import and export of paper and paperboard

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Cigarette paper for cigarettes, including. cigarette paper plate, tipping paper, tipping base paper, wrap. Principle 4 Paper samples by acid digestion heated to remove organics. Sample solution in lead and arsenic into the nebulizer to form an aerosol, is loaded high temperature argon High-frequency plasma, ionize, resulting in characteristic lines, inductively coupled plasma atomic emission spectroscopy (ICP-AES) read out a strong line Degree, the strength of lead, arsenic content is proportional to the amount determined by the statutory standard curve.

5 Reagents and materials

Unless otherwise indicated, the reagents used in the analysis are excellent pure, double distilled water. 5.1 mixed acid of nitric acid + perchloric acid (4 + 1). amount of nitric acid 400mL, 100mL added perchloric acid, and mix. 5.2 nitric acid (1 + 1). Measure 100mL nitric acid was slowly added 100mL of water, and mix. 5.3 Nitrate (2 + 98). the amount of 2mL nitric acid was slowly added 98mL of water, and mix. 5.4 lead, arsenic standard solution. the use of national lead, arsenic standard reagents (GB W), concentration was 1mg/mL, measured with nitric acid (2 + 98) progressively diluted to 0.0μg/mL, 0.5μg/mL, 1.0μg/mL, 1.5μg/mg, 2.0μg/mL standard solution;

6 Instruments

6.1 Instrument. plasma atomic emission spectroscopy (ICP-AES). 6.2 temperature control heating plate. 6.3 Carrier gas. argon, purity of not less than 99.995%.

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