SN/T 4049-2014 English PDFUS$389.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 4049-2014: Determination of chlorate in food for export - Ion chromatography method Status: Valid
Basic dataStandard ID: SN/T 4049-2014 (SN/T4049-2014)Description (Translated English): Determination of chlorate in food for export - Ion chromatography method Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X04 Classification of International Standard: 67.050 Word Count Estimation: 15,141 Date of Issue: 12/1/2014 Date of Implementation: 5/1/2015 Regulation (derived from): State-Quality-Inspection-accreditation [2014] 614 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the method of ion chromatography in food for export chlorate. This standard applies to the determination of perchlorate in food fresh longan, canned longan, dried longan, mango, mango juice, apple juice, mixed fruit and vegetable j SN/T 4049-2014: Determination of chlorate in food for export - Ion chromatography 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.(Food for export chlorate ion chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Food for export chlorate ion chromatography 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. 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 Guangdong CIQ. The main drafters of this standard. Pan Bingzhen, Xi Xinglin, Ouyang Lun, Pangshi Qi, Liu, Li Min, Li Xun, Chenxiu Ming, Liangrui Ting, Shuang. Food for export chlorate ion chromatography1 ScopeThis standard specifies the method of ion chromatography in food for export chlorate. This standard applies to fresh longan, canned longan, dried longan, mango, mango juice, apple juice, mixed fruit and vegetable juice, potatoes, wine, beer, small Flour, rice, milk, pork and fish and other foods Determination of chlorate.2 Method summarySample of chlorate ion (ClO-3) with pure water and extracted by solid phase extraction (SPE), using anion exchange chromatography column separation, ion chromatography Spectrum - measured conductivity detector, external standard.3 Reagents and materialsUnless otherwise specified, the reagents were of analytical grade, test water to high water, resistivity of 18.2MΩ · cm. 3.1 petroleum ether. boiling range 30 ℃ ~ 60 ℃. 3.2 glacial acetic acid. pure class distinctions. 3.3 3% (volume fraction) of glacial acetic acid solution. Take glacial acetic acid (3.2) 3mL, add water and dilute to 100mL. 3.4 potassium chlorate standard substance. purity of greater than 99%. 3.5 chlorate ion (ClO-3) standard stock solution (1.0mg/mL). Weigh accurately 0.1467g potassium chlorate (3.4), dissolved in water and constant volume To 100mL, dubbed containing ClO-3 1.0mg/mL standard stock solution, 0 ℃ ~ 4 ℃ preservation. This solution can also be employed certified reference materials Solution. 3.6 chlorate ion (ClO-3) intermediate standard solution. Imbibe 2.0mL of perchlorate standard stock solution (3.5) to 100mL volumetric flask, Volume with water, shake spare, ClO-3 at a concentration of 20mg/L, 0 ℃ ~ 4 ℃ preservation. 3.7 chlorate ion (ClO-3) standard solution. water as needed to apply the standard solution (3.6) diluted to 0.025mg/L, 0.05mg/L, 0.10mg/L, 0.20mg/L, 0.40mg/L, 1.00mg/L and 2.00mg/L standard curve solution. Now with Active.4 instruments and equipment4.1 Ion Chromatography. conductivity detector with gradient pump, automatic eluent generator. 4.2 Organization mashed machines. 4.3 stirrer. 4.4 Analysis of balance. a sense of the amount of 0.2mg. 4.5 ultrasonic extractor. 4.6 Centrifuge. 4500r/min, adaptation 50mL centrifuge tube. 4.7 C18 solid phase extraction column.200mg/3mL or equivalent person. 4.8 microporous membrane. 0.45μm, River. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 4049-2014_English be delivered?Answer: Upon your order, we will start to translate SN/T 4049-2014_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 4049-2014_English with my colleagues?Answer: Yes. 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