SN/T 4060-2014 English PDFUS$289.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 4060-2014: Determination of seleniate and selenite in export health care products Status: Valid
Basic dataStandard ID: SN/T 4060-2014 (SN/T4060-2014)Description (Translated English): Determination of seleniate and selenite in export health care products Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X04 Classification of International Standard: 67.050 Word Count Estimation: 11,166 Date of Issue: 12/1/2014 Date of Implementation: 5/1/2015 Quoted Standard: GB/T 6682 Regulation (derived from): State-Quality-Inspection-accreditation [2014] 614 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the form of selenium in health care [selenite Se (��) and selenium acid Se (��)] by liquid chromatography - tandem Inductively Coupled Plasma Mass Spectrometry. This standard applies to liquids, capsules, fish oil, flaky health selen SN/T 4060-2014: Determination of seleniate and selenite in export health care products---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 export health products and selenite selenium acid content) People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of selenium in health products exports acid and selenious acid content Issued on. 2014-11-19 2015-05-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThis 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 Beijing Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. peak, Lu Xiaoyu, Liu Yan, Kong Weiheng, Linyuan Hui, Li Jing, Chengxi Ming, Zhang Zhaohui. Determination of selenium in health products exports acid and selenious acid content1 ScopeThis standard specifies the form of selenium in health care [selenite Se (Ⅳ) and selenium acid Se (Ⅵ)] by liquid chromatography - tandem Inductively Coupled Plasma Mass spectrometry. This standard applies to liquids, capsules, fish oil, flaky health selenium acid, determination of selenium acid products in Central Asia.2 Normative referencesThe 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 Analysis3 PRINCIPLE OF THE METHODSodium hydroxide solution and extracted sample by sample, after purification by liquid chromatography on various forms of selenium were separated, and directly into the inductor Coupled Plasma Mass Spectrometry with standard series to compare quantitatively.4 Reagents and materialsUnless otherwise stated, all reagents superior grade of pure water to a water line with GB/T 6682 regulations. 4.1 methanol. 4.2 n-hexane. 4.3 concentrated aqueous ammonia. 4.4 ammonium bicarbonate. 4.5 0.1mol/L sodium hydroxide. accurate weighing 4.00g of sodium hydroxide water volume to 1000mL. 4.6 Mobile Phase A (2% methanol -10mmol/L ammonium bicarbonate, pH = 11). accurately weigh 0.79g of ammonium bicarbonate (4.4), dissolved in water, add Into 20mL of methanol (4.1), water volume to 1000mL, adjusted with ammonia (4.3) pH value of 11. Preparation day use. 4.7 standard stock solution. the concentration of sub-standard stock solution of selenate 68.9μg/mL, with sub-meter selenate; selenate stock standard solution Concentration of 75.1μg/mL, with selenate dollars. 4.8 standard working solution. Pipette Asia selenate standard stock solution (4.7) 1.45mL, selenate standard stock solution (4.7) 1.33mL to 100mL flask with water to volume lines, with mixed standard working solution with a concentration of 1.0mg/L. Pipette working standard Liquid 0.0mL, 1.0mL, 2.0mL, 4.0mL, 6.0mL, 8.0mL in a 100mL volumetric flask, add water to the mark, get ya Selenate, selenate solution concentration are 0.0mg/L, 0.01mg/L, 0.02mg/L, 0.04mg/L, 0.06mg/L, 0.08mg/L The mixed standard solution. When using the existing service. 4.9 filter. 0.45μm, aqueous phase. 5. Apparatus 5.1 liquid chromatography inductively coupled plasma mass spectrometry (HPLC-ICP/MS), with a collision cell or reaction cell. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4060-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 4060-2014_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 4060-2014_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 4060-2014_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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