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SN/T 3142-2012 English PDF

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US$519.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3142-2012: Determination of D-mannitol, maltose, xylitol, D-sorbitolin foods for export. LC-MS-MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3142-2012	519	Add to Cart	4 days	Determination of D-mannitol, maltose, xylitol, D-sorbitolin foods for export. LC-MS-MS method	Valid

Similar standards

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Basic data

Standard ID: SN/T 3142-2012 (SN/T3142-2012)
Description (Translated English): Determination of D-mannitol, maltose, xylitol, D-sorbitolin foods for export. LC-MS-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 20,296
Quoted Standard: GB/T 6682
Regulation (derived from): National Quality Inspection (2012) 237;
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the export of food of D- mannitol, maltitol, xylitol, D- sorbitol liquid chromatography mass spectrometry/mass spectrometry. This standard applies to white wine, soda water, biscuits, instant noodles, bean curd of D- mannitol, malt

SN/T 3142-2012: Determination of D-mannitol, maltose, xylitol, D-sorbitolin foods for export. LC-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 D-mannitol, maltose, xylitol, D-sorbitolin foods for export.LC-MS-MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Food exports D- mannitol, maltose, xylose Alcohols, detection of D- sorbitol Liquid chromatography - mass spectrometry/mass spectrometry DeterminationofD-mannitol, maltose, xylitol, Issued on. 2012-05-07 2012-11-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This 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. Release mechanism of the present document does not assume responsibility for the identification of these patents. 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 Wenzhou People's Republic of China Bureau, Xiamen People's Republic of China Exit Inspection and Quarantine. The main drafters of this standard. Mashu Min, Wang Mingtai, Han Chao, Zhou Xiao, Fangen Hua, Hu Tingting, Kangming Qin Rong will, Handa Chuan. Food exports D- mannitol, maltose, xylose Alcohols, detection of D- sorbitol Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the export of food products D- mannitol, maltose, xylitol, D- sorbitol liquid chromatography - mass spectrometry/mass spectrometry method. This standard applies to white wine, soda water, biscuits, instant noodles, bean curd in D- mannitol, measuring maltose, xylitol, sorbitol of D- Set and confirmed.

2 Normative references

The 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

3 Method summary

Ultrasonic liquid sample water extraction volume after centrifugation, solid and semi-solid samples were dissolved in water to volume, and then by solid phase extraction (SPE), sample Eluted after liquid volume for liquid chromatography - mass spectrometry/mass spectrometer and validation, external standard.

4 Reagents and materials

Reagent used in the method, unless otherwise specified, were of analytical grade; water as a water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 formic acid. Chromatographic pure. 4.3 acetonitrile. chromatography. 4.4 0.1% formic acid. 1mL acid dissolved in 1000mL water. 4.5 Eluent. acetonitrile 0.1% formic acid (11, volume ratio). a 500 mL acetonitrile (4.3) and 500mL0.1% aqueous formic acid (4.4) and mixed. Preparation before use. 4.6 Standard substance. D- mannitol (D-mannitol, CAS No. 69-65-8, C6H14O6), maltose (maltose, CAS No. 69-79- 4, C12H22O11), xylitol (xylitol, CAS No. 87-99-0, C5H12O5), D- sorbitol (D-sorbitol, CAS Number 50-70-4 C6H14O6) greater than or equal to 97% purity. 4.7 standard stock solution. accurately weighed amount of standard, with acetonitrile formulated into standard stock solution 1.0mg/mL in 0 ℃ ~ 4 ℃ Refrigerator. 4.8 standard solution. as required by acetonitrile 0.1% formic acid aqueous solution (4.5) diluted preparation of an appropriate concentration of standard working solution, active Now equipped. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3142-2012_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3142-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 3142-2012_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3142-2012_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.