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SN/T 3339-2012 English PDF

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SN/T 3339-2012: Determination of heavy metal content on import and export textile. Inductively coupled plasma atomic emission spetrometric method (ICP-AES)
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
SN/T 3339-2012	English	239	Add to Cart	3 days [Need to translate]	Determination of heavy metal content on import and export textile. Inductively coupled plasma atomic emission spetrometric method (ICP-AES)	Valid	SN/T 3339-2012

Standard similar to SN/T 3339-2012

SN/T 5268

Basic data

Standard ID	SN/T 3339-2012 (SN/T3339-2012)
Description (Translated English)	Determination of heavy metal content on import and export textile. Inductively coupled plasma atomic emission spetrometric method (ICP-AES)
Sector / Industry	Commodity Inspection Standard (Recommended)
Word Count Estimation	9,944
Quoted Standard	GB/T 602; GB/T 6682
Regulation (derived from)	National Quality Inspection (2012) 777; industry standard filing Notice 2013 No. 4 (No. 160 overall)
Issuing agency(ies)	General Administration of Customs
Summary	This standard specifies the textile heavy metals lead (Pb), cadmium (Cd), Nickel (Ni), chromium (Cr), cobalt (Co), copper (Cu), antimony (sb), arsenic (As), mercury (Hg) the total amount of nine kinds of elements by inductively coupled plasma emission spe

SN/T 3339-2012: Determination of heavy metal content on import and export textile. Inductively coupled plasma atomic emission spetrometric method (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 heavy metal content on import and export textile.Inductively coupled plasma atomic emission spetrometric method (ICP-AES) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of total textile import and export of heavy metals Inductively Coupled Plasma Atomic Emission Spectrometry Inductivelycoupledplasmaatomicemissionspectrometricmethod (ICP-AES) Issued on. 2012-12-12 2013-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

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 Guangdong CIQ. The main drafters of this standard. Xu Min, Zeng Jiaxin, Zhang Zhuo, wheat Xiaoxia, Ren Zhonghai, Xiaojin Feng, Jiang Kaiming. Determination of total textile import and export of heavy metals Inductively Coupled Plasma Atomic Emission Spectrometry

1 Scope

This standard specifies the textiles Heavy Metal Lead (Pb), cadmium (Cd), Nickel (Ni), chromium (Cr), cobalt (Co), copper (Cu), antimony (sb), Inductively coupled plasma total arsenic (As), mercury (Hg) Determination of 9 Elements of emission spectrometry. This standard applies to all kinds of textile materials.

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 Principle 3 The sample was added concentrated nitric acid, concentrated hydrochloric acid and hydrogen peroxide, microwave digestion, the digestion fluid volume, inductively coupled plasma emission spectrometry (ICP-OES) assay solution of lead (Pb), cadmium (Cd), Nickel (Ni), chromium (Cr), cobalt (Co), copper (Cu), antimony (Sb), arsenic (As), mercury ( hg) 9 Elements of concentration, calculate the total amount of heavy metals in the sample.

4 Reagents

Unless otherwise specified, use only the gifted class pure reagents. The purity of the water at least up to three GB/T 6682 provisions of distilled or deionized Water requirements. 4.1 nitric acid (ρ = 1.42g/mL). 4.2 Hydrogen peroxide (ρ = 1.11g/mL). 4.3 hydrochloric acid (ρ = 1.19g/mL). 4.4 lead, cadmium, nickel, chromium, cobalt, copper, antimony, arsenic, mercury standard stock solution (100μg/mL). according to GB/T 602 formulated or direct purchase of certified standard Reference material. 4.5 nitric acid - a mixed solution of hydrochloric acid. amount of 120mL nitric acid (4.1), and slowly poured into 840mL water and then weighed 40mL hydrochloric acid solution (4.3) and mix together. 4.6 lead, cadmium, nickel, chromium, cobalt, copper, antimony, arsenic, mercury standard solution. Pipette 0mL, 1.0mL, 2.0mL, 5.0mL, 10.0mL Lead, cadmium, nickel, chromium, cobalt, copper, antimony, arsenic, mercury standard stock solution (4.4) in a 100mL plastic flask and then with nitric acid - hydrochloric acid mixed Solution (4.5) diluted to the mark, and mix. This standard solution series concentrations were. 0μg/mL, 1.0μg/mL, 2.0μg/mL, 5.0μg / mL, 10.0μg/mL. Standard working solution from light below 4 ℃, valid for one month.

5 Equipment

5.1 high-pressure microwave digestion closed with Teflon or other suitable pressure tank (maximum working pressure of not less than 7MPa).

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