SN/T 2430-2010 English PDFUS$679.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 2430-2010: Determination of rhodamine B in foods for import and export Status: Valid
Basic dataStandard ID: SN/T 2430-2010 (SN/T2430-2010)Description (Translated English): Determination of rhodamine B in foods for import and export Sector / Industry: Commodity Inspection Standard (Recommended) Classification of Chinese Standard: X04 Classification of International Standard: 67.050 Word Count Estimation: 26,295 Date of Issue: 2010-01-10 Date of Implementation: 2010-07-16 Regulation (derived from): National Quality Inspection (2010) No. 13 Issuing agency(ies): General Administration of Customs Summary: This standard specifies the import and export food Rhodamine B liquid chromatography and liquid chromatography mass spectrometry/mass spectrometry method for detection and confirmation. This standard applies to Layu, bacon, sausage, juice, jam, chili powder, chili oil, candy, plum, onion and biscuits in the determination of rhodamine B and confirmation. SN/T 2430-2010: Determination of rhodamine B in foods for import and 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 rhodamine B in foods for import and export Exit inspection and quarantine industry standard book People's Republic of China Imported and exported food detection methods Rhodamine B Issued on. 2010-01-10 2010-07-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ForewordThe Standard Appendix A, Appendix B, Appendix C, Appendix D and Appendix E are informative appendices. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard by the People's Republic of China, Chongqing Entry-Exit Inspection and Quarantine is responsible for Hunan People's Republic of China Drafted. The main drafters of this standard. Wang Guomin, Lixian Liang, Zhang Lei, Mei-ling, Zhou Qiming, Li Ying State, Tang Bobin, Wei Ying, Dai Hua. Imported and exported food detection methods Rhodamine B1 ScopeThis standard specifies the rhodamine B in food import and export of liquid chromatography and liquid chromatography - mass spectrometry/mass spectrometry detection and confirmation methods. This standard applies to La Yu, bacon, sausage, juice, jam, chili powder, chili oil, candy, plum, onion and biscuit Rhodamine B Determination and confirmation.2 Method summaryEthyl acetate - cyclohexane to extract a sample of Rhodamine B, purified by gel chromatography purification systems, liquid chromatography - fluorescence detector or Liquid chromatography - mass spectrometry/mass spectrometer and validation, external standard peak area quantification.3 Reagents and materialsExcept where noted, all reagents were of analytical grade, double distilled water. 3.1 Methanol. HPLC fractions. 3.2 formic acid. HPLC fractions. 3.3 ethyl acetate. 3.4 cyclohexane. 3.5 ethyl acetate - cyclohexane (1 by volume ratio) solution. ethyl acetate (3.3), and cyclohexane (3.4) mixed in equal volumes. 3.6 0.2% formic acid. Take 2.0mL of formic acid (3.2), water volume to 1000mL. Rhodamine B 3.7 Standard. Formula C28H31ClN2O3, CAS number. 81-88-9, purity not less than 99.0%. 3.8 Rhodamine B standard stock solution. accurately weighed amount of Rhodamine B standard (3.6), prepared in methanol at a concentration of 100μg/mL of Standard stock solution. This solution was stored at 0 ℃ ~ 4 ℃ in the dark. 3.9 Blank sample extract. A blank sample, 6.1 and 6.2 in accordance with the extraction and purification of the resulting solution. 3.10 standard solution. as needed with a blank sample extract diluted stock standard solution to 5.0ng/mL, 10.0ng/mL, 20.0ng/mL, 50.0ng/mL, 100.0ng/mL of standard working solution. Put 0 ℃ ~ 4 ℃ stored. 3.11 0.22μm microporous membrane, organic.4 instruments and equipment4.1 high performance liquid chromatography with fluorescence detector. 4.2 High performance liquid chromatography - mass spectrometry/mass spectrometer ion source distribution (ESI). 4.3 Electronic balance. a sense of the amount of 0.01g and 0.1mg. 4.4 gel chromatography purification system (GPC). 4.5 Organization mashed machines. 4.6 ultrasonic cleaner. 4.7 Vortex Mixer. 4.8 rotary evaporator. 4.9 centrifuge. speed of not less than 5000r/min. 4.10 plug plastic centrifuge tube. 50mL. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 2430-2010_English be delivered?Answer: Upon your order, we will start to translate SN/T 2430-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of SN/T 2430-2010_English with my colleagues?Answer: Yes. The purchased PDF of SN/T 2430-2010_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+ countriesQuestion 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. |
