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SN/T 4666-2016 English PDF

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US$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 4666-2016: Import and export textiles--Determination of hexavalent chromium--HPLC-ICP-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4666-2016	229	Add to Cart	3 days	Import and export textiles--Determination of hexavalent chromium--HPLC-ICP-MS method	Valid

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Basic data

Standard ID: SN/T 4666-2016 (SN/T4666-2016)
Description (Translated English): Import and export textiles--Determination of hexavalent chromium--HPLC-ICP-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: W55
Word Count Estimation: 10,162
Date of Issue: 2016-12-12
Date of Implementation: 2017-07-01
Regulation (derived from): State-Quality-Inspection-Accredidation (2016) No.590
Issuing agency(ies): General Administration of Customs

SN/T 4666-2016: Import and export textiles--Determination of hexavalent chromium--HPLC-ICP-MS 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.
(Textiles for import and export - Determination of hexavalent chromium - High performance liquid chromatography - inductively coupled plasma mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Industry Standard Highly efficient determination of hexavalent chromium in import and export textiles Liquid chromatography-inductively coupled plasma mass spectrometry HPLC-ICP-MSmethod Released on December 12,.2016 2017-07-01 implementation People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Hubei Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Guo Shaofei, Wang Peng, Ye Cheng, Chen Xiaoyu, Ling Yuetao, Wang Hui, Pan Ruihua, Wang Fan. Highly efficient determination of hexavalent chromium in import and export textiles Liquid chromatography-inductively coupled plasma mass spectrometry Warning - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies high performance liquid chromatography-inductively coupled plasma mass spectrometry (HPLC-ICP-ICP-MS) for extractable hexavalent chromium from textile extracts. MS) Method of determination. This standard applies to the determination of hexavalent chromium in various textile materials and their products.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods

3 Principle

After the sample was extracted with acidic sweat, the filtered extract was measured by high performance liquid chromatography-inductively coupled plasma mass spectrometry. Standard method of quantification.

4 reagents

Unless otherwise specified, the reagents used were of analytical grade and the water was the first grade water specified in GB/T 6682. 4.1 L-Histidine hydrochloride monohydrate (C6H9O2N3·HCl·H2O). 4.2 Sodium chloride. 4.3 Sodium dihydrogen phosphate dihydrate (NaH2PO4·2H2O). 4.4 Sodium hydroxide. 4.5 Tetrabutylammonium hydrogen sulfate. 4.6 Ammonia. Excellent grade. 4.7 Methanol. Chromatographic grade. 4.8 Nitric acid. excellent grade pure. 4.9 Sodium hydroxide solution (0.1mol/L). Weigh 0.4g of sodium hydroxide (4.4) and dilute to 100mL with water. 4.10 Ammonia solution (1 9). Measure 10 mL of ammonia water (4.6), slowly pour into 90 mL of water, and mix. 4.11 Acidic sweat. Weigh 0.5g L-histidine hydrochloride monohydrate (4.1), 5.0g sodium chloride (4.2) and 2.2g sodium dihydrogen phosphate dihydrate Compound (4.3), dissolved in water, add water to nearly 1000 mL, adjust the pH to 5.5 ± 0.2 with sodium hydroxide solution (4.9), and dilute to 1000 mL with water. The solution is now ready for use. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 4666-2016_English be delivered?

Answer: Upon your order, we will start to translate SN/T 4666-2016_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 4666-2016_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 4666-2016_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.