SN/T 1410-2004 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 1410-2004: Determination of lead content in naphtha. Graphite furnace atomic absorption spectrometric method Status: Valid
Basic dataStandard ID: SN/T 1410-2004 (SN/T1410-2004)Description (Translated English): Determination of lead content in naphtha. Graphite furnace atomic absorption spectrometric method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: E24 Classification of International Standard: 75.060 Word Count Estimation: 6,627 Date of Issue: 2004-06-01 Date of Implementation: 2004-12-01 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China Summary: This standard specifies the requirements of using graphite furnace atomic absorption spectrometric determination of trace lead in naphtha method. This standard applies to the lead content of naphtha 5ng/g ~ 80ng/g determination. SN/T 1410-2004: Determination of lead content in naphtha. Graphite furnace 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. Determination of lead content in naphtha.Graphite furnace atomic absorption spectrometric method Book of the People's Republic of China Entry and Exit Inspection and Quarantine Determination of lead content in naphtha Graphite furnace atomic absorption spectrometry Released on June.2004 Implementation of.2004-12-01 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued ForewordAppendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration. This standard was drafted. Liaoning Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China. The main drafters of this standard. Chen Xinyue, Sun Yanwei, Wu Jianguo, Man Qingxiang. This standard is the industry standard for inspection and quarantine issued for the first time. Determination of lead content in naphtha Graphite furnace atomic absorption spectrometry1 ScopeThis standard specifies the method for the determination of trace lead in naphtha by graphite furnace atomic absorption spectrometry. This standard applies to the determination of lead content in naphtha from 5 ng/g to 80 ng/g.2 Normative referencesThe terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 1884 Determination of density of crude oil and liquid petroleum products - Densitometric method GB/T 4756 petroleum liquid manual sampling method GB 6682 Analytical laboratory water specifications and test methods3 Method summaryThe sample is diluted with tetrahydrofuran, and an appropriate amount of iodine is added to convert various forms of lead into lead iodide, and nickel nitrate is used as a matrix modifier, and stone is used. Direct injection measurement by ink furnace atomic absorption spectrometry.4 instrumentsAtomic absorption spectrometer (atomic absorption spectrometer equipped with graphite furnace), under the normal working conditions of the instrument, those who can achieve the following indicators Can be used. Sensitivity. The characteristic quantity of cadmium is determined to be no more than 2 pg. Precision. The precision of cadmium determination is not more than 7%.5 reagents5.1 Lead nitrate. high purity reagent (≥99.99%). 5.2 Nitric acid. High purity reagent. 5.3 Iodine. Analytically pure. 5.4 Nickel. High purity reagent (≥99.99%). 5.5 Tetrahydrofuran. Analytically pure. 5.6 Iodine solution (50 mg/mL). 5 g of iodine was weighed and dissolved in 100 mL of tetrahydrofuran. 5.7 Nickel solution (20mg/mL). Weigh 2g of nickel, dissolve it in 10mL of nitric acid (1.1), heat to dryness, and dissolve it after cooling. In 100 mL of tetrahydrofuran. 5.8 Argon. purity ≥99.9%. 5.9 Water. Meet the requirements of the secondary water in GB 6682. 5.10 Lead standard stock solution (1mg/mL). Weigh 1.5984g of lead nitrate dissolved in 1% nitric acid and dilute to 1L with 1% nitric acid. 5.11 Lead standard working solution (1μg/mL). Dilute lead standard stock solution with tetrahydrofuran and prepare it on the day of use. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1410-2004_English be delivered?Answer: Upon your order, we will start to translate SN/T 1410-2004_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 1410-2004_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 1410-2004_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. 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