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SN/T 1948-2007 English PDF

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US$549.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 1948-2007: Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1948-2007	549	Add to Cart	3 days	Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method	Valid

Similar standards

NY/T 939 NY/T 2334 SN/T 2051 SN/T 5650 SN/T 5601 SN/T 1949

Basic data

Standard ID: SN/T 1948-2007 (SN/T1948-2007)
Description (Translated English): Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 17,161
Date of Issue: 2007-08-06
Date of Implementation: 2008-03-01
Regulation (derived from): National-accreditation-Science [2011] 63
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the food Cyclohexylamino sodium test sample preparation and liquid chromatography mass spectrometry/mass spectrometry. This standard applies to canned fruit, concentrated mountain grape juice, wine, cakes, candy, sweet sauce, pickles, Central sodium cyclamate detection and confirmation.

SN/T 1948-2007: Determination of sodium cyclamate in foods for import and export. HPLC-MS/MS 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 sodium cyclamate in foods for import and export.HPLC-MS/MS method Exit inspection and quarantine industry standard book People's Republic of China Detection imported and exported food cyclohexylamino sodium Liquid chromatography - mass spectrometry/mass spectrometry Posted 2007-08-06 2008-03-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A and Appendix B are informative. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. Jilin People's Republic of China Entry-Exit Inspection and Quarantine of Hunan People's Republic of China Bureau, People's Republic of China Yunnan Exit Inspection and Quarantine. The main drafters of this standard. Wang Mingtai, Mou Jun, Dai Hua, Ma Xiaogang, ZHANG Dai Hui, Zhou Xiao, Li Aijun, often Donghua. This standard is the first release of the entry-exit inspection and quarantine industry standards. Detection imported and exported food cyclohexylamino sodium Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the foods cyclohexylamino sodium (sodium cyclamate) test sample preparation and liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to canned fruit, mountain grape juice concentrate, white wine, cakes, candy, sweet sauce, pickles cyclohexylamino sodium detection And confirmation.

2 Method summary

Ultrasonic extraction of water samples, after centrifugation, the supernatant for liquid chromatography - mass spectrometry/mass spectrometer, external standard.

3 Reagents and materials

Unless otherwise specified, all reagents were of analytical grade water for ultra-pure water. 3.1 acetic acid. 3.2 acetonitrile. liquid chromatography. 3.3 0.1% acetic acid aqueous solution (volume fraction). amount of acetic acid 4mL, diluted with water to 4000mL. 3.4 cyclohexylamino sodium standard (SodiumCyclamate, C6H12NNaO3S, CAS number. 139-05-9). purity equal to or greater At 99%. 3.5 cyclohexylamino sodium stock standard solution. Accurately weigh an appropriate amount of sodium cyclohexylamino standards, formulated with water to a concentration of 500μg/mL of the standard stock solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 3.6 cyclohexylamino sodium intermediate standard solution. accurate Pipette a volume of cyclohexylamino sodium stock standard solution, formulated into water At a concentration of 1μg/mL of the intermediate standard solution, the solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 3.7 hexylamino sodium standard solution ring. accurate Pipette a volume of intermediate standard solution, it can be diluted with water as needed to apply Concentration of standard working solution. The solution was stored at 0 ℃ ~ 4 ℃ refrigerator. 3.8 0.45μm filter (aqueous phase).

4 instruments and equipment

4.1 liquid chromatography tandem mass spectrometer. with electrospray ionization (ESI) ion source. 4.2 Mixer. 4.3 ultrasonic extractor. 4.4 centrifuge.

5 Sample Preparation and Storage

5.1 Sample Preparation 5.1.1 Canned Fruit The original samples were taken at room temperature and open tank, the tank liquid and solids are separated and weighed. According to the ratio between the two representatives take 1kg Of the sample, by the organization stamp mill crushed, and then mix the sample separation unit clean container seals, as a sample, and indicate the mark. 5.1.2 wine, juice The original samples were taken 1kg mixed in a porcelain-like bucket and mix well, then mix in the sample separation unit clean container seals, as a sample, standard ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 1948-2007_English be delivered?

Answer: Upon your order, we will start to translate SN/T 1948-2007_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 1948-2007_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 1948-2007_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+ countries

Question 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.