SN/T 3844-2014 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 3844-2014: Determination of arbutin in fruit juice for export Status: Valid
Basic dataStandard ID: SN/T 3844-2014 (SN/T3844-2014)Description (Translated English): Determination of arbutin in fruit juice for export Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X24 Classification of International Standard: 67.080.10 Word Count Estimation: 11,110 Quoted Standard: GB/T 6682 Regulation (derived from): AQSIQ notification issued in 2014 on the first batch of 230 industry-standard entry-exit inspection and quarantine Issuing agency(ies): General Administration of Customs Summary: This Standard specifies the content of the juice arbutin liquid chromatography - tandem mass spectrometry and liquid chromatography methods. This Standard applies to apple juice, pomegranate juice, orange juice, grape juice, peach juice and fruit juice ar SN/T 3844-2014: Determination of arbutin in fruit juice for export---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 arbutin in fruit juice for export People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of export fruit juice arbutin Issued on. 2014-01-13 2014-08-01 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. 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 is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shaanxi Exit Inspection and Quarantine. This standard is the first major law drafter. Kong Xianghong, HE Qiang, music love mountains, Zhao Jian, Li Jianhua, Wu Shuangmin. The main drafters of this Standard Method II. He Qiang, Kong Xianghong, music love mountains, Zhao Jian, Li Jianhua, Wu Shuangmin. Determination of export fruit juice arbutin1 ScopeThis standard specifies the content of the juice arbutin liquid chromatography - tandem mass spectrometry and liquid chromatography methods. This standard applies to apple juice, pomegranate juice, orange juice, grape juice, peach juice and fruit juice arbutin Determination and confirmation.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 Analysis The first method by liquid chromatography - tandem mass spectrometry3 Method summaryAfter the dissolution of the sample with water, dried polystyrene - divinylbenzene copolymer SPE and amino solid phase extraction (SPE), liquid chromatography - Tandem mass spectrometer measured and confirmed, external standard.4 Reagents and materialsUnless otherwise specified, the reagents were of analytical grade water as a water line with GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 acetonitrile. chromatography. 4.3 anhydrous sodium. 650 ℃ burning 4h, stored in a sealed container in the back. 4.4 Acetonitrile - Methanol (11, volume ratio). Measure 500mL of methanol and 500mL of acetonitrile were mixed uniformly. 4.5 Standard substance Arbutin (Arbutin, C12H16O7, CAS. 497-76-7). purity ≥99%. 4.6 arbutin standard stock solution. accurately weighed amount of reference material arbutin, methanol made from standard stock solution 1000μg/mL of Liquid, 0 ℃ ~ 4 ℃, valid for six months. 4.7 arbutin standard solution. the determination of serial dilutions required with acetonitrile and compounded into a standard working solution of appropriate concentration. 0 ℃ ~ 4 ℃. 4.8 polystyrene - divinylbenzene copolymer SPE.200mg, 6mL or equivalent person. Before using successively with 5mL A Alcohol, 10mL water-activated, keep the cylinder moist. 4.9 Amino-SPE. 500mg, 3mL. Before using the column packing about 2cm high end of anhydrous sodium sulfate (4.3), with 5mL B Nitrile activation. Holding cylinder moist. 4.10 microporous membrane. 0.2μm, organic. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 3844-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 3844-2014_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 3844-2014_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 3844-2014_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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