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SN/T 3249-2012 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3249-2012: Imitation jewelry and accessory. Determination of Lead, Cadmium and Barium. Flame atomic absorption spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3249-2012	189	Add to Cart	3 days	Imitation jewelry and accessory. Determination of Lead, Cadmium and Barium. Flame atomic absorption spectrometric method	Valid

Similar standards

GB 19593 GB/T 18043 GB 11887 SN/T 3249.4 SN/T 3249.3 SN/T 3249.2

Basic data

Standard ID: SN/T 3249-2012 (SN/T3249-2012)
Description (Translated English): Imitation jewelry and accessory. Determination of Lead, Cadmium and Barium. Flame atomic absorption spectrometric method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Y88
Word Count Estimation: 7,713
Quoted Standard: GB/T 6682; GB/T 22788-2008; SN/T 2046-2008
Regulation (derived from): National Quality Inspection (2012) 643; industry standard filing Notice 2013 No. 1 (No. 157 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the imitation jewelry alloys, polymers, coatings, ceramics, glass, crystal, and other similar materials of lead, cadmium, barium total content by flame atomic absorption spectrometric method. This standard applies to imitation jewe

SN/T 3249-2012: Imitation jewelry and accessory. Determination of Lead, Cadmium and Barium. Flame atomic absorption spectrometric 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.
Imitation jewelry and accessory.Determination of Lead, Cadmium and Barium.Flame atomic absorption spectrometric method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of imitation jewelry of lead, cadmium, barium content Flame Atomic Absorption Spectrometry Issued on. 2012-10-23 2013-05-01 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. Please note that some of the content of this document may involve patents. Distribution of this document Institutions do not assume the responsibility to identify these patents. This standard by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Guangdong Entry-Exit Inspection and Quarantine Shandong People's Republic of China Bureau, Chinese Academy of Inspection and Quarantine. The main drafters of this standard. Liuchong Hua Fang Han, Xing force, Zhang, Huang Li Na, birch, Yangdan Hua. Determination of imitation jewelry of lead, cadmium, barium content Flame Atomic Absorption Spectrometry

1 Scope

This standard specifies the alloy simulation jewelry, polymer, coatings, ceramics, glass, crystal and other similar materials as lead, cadmium, barium total content Flame atomic absorption spectrometric method. This standard applies to imitation jewelry alloys, polymers, coatings, ceramics, glass, crystal and other materials of lead, cadmium, barium Determination, Cadmium Lead, barium limit was 20mg/kg, 2mg/kg and 30mg/kg.

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 Determination of GB/T 22788-2008 toy surface coatings of the total lead content SN/T 2046-2008 Plastics and articles thereof measured inductance of lead, mercury, chromium, cadmium, barium, arsenic coupled plasma atomic emission light Spectroscopy Principle 3 Sample pulverized After acid digestion, atomic absorption spectrometer, external standard method for quantitative determination of lead, cadmium, barium.

4 Reagents

Unless otherwise specified, use only analytical reagent and in line with two water GB/T 6682 regulations. 4.1 nitric acid (65% mass fraction). 4.2 hydrochloric acid (37% mass fraction). 4.3 fluoroboric acid (40% mass fraction). 4.4 Hydrofluoric acid (40% mass fraction). 4.5 boric acid (4% mass fraction). 4.6 Hydrogen peroxide (30% mass fraction). 4.7 KCl. 20g/L. 4.8 nitric acid (119). 4.9 Standard solution. lead, cadmium, barium standard solution (1000μg/mL), with a traceable certificate. 4.10 standard solution. Pipette a volume of standard stock solution (4.9) in 100mL volumetric flask (4.8) with nitric acid diluted to the mark Degree of mixing, so that the concentration meets requirements of Table 1. Wherein the element barium standard solution should be added 10mL potassium chloride solution (4.7), such that Dilution constant volume of a solution containing 2g/L KCl. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3249-2012_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3249-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 3249-2012_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3249-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.