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SN/T 3858-2014 English PDF

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US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 3858-2014: Determination of erythorbic acid in food for export. HPLC method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 3858-2014	419	Add to Cart	3 days	Determination of erythorbic acid in food for export. HPLC method	Valid

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Basic data

Standard ID: SN/T 3858-2014 (SN/T3858-2014)
Description (Translated English): Determination of erythorbic acid in food for export. HPLC method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 16,139
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 HPLC method Erythorbate of food for export. This Standard is applicable to the determination canned meat, canned fish, rice pudding, canned fruit, wine, vinegar, beer, milk erythorbate in.

SN/T 3858-2014: Determination of erythorbic acid in food for export. HPLC 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 erythorbic acid in food for export. HPLC method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of iso-ascorbic acid in food exports High Performance Liquid Chromatography HPLCmethod Issued on. 2014-01-13 2014-08-01 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. 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. Exit Inspection and Quarantine Technology Center Xiamen People's Republic of China, People's Republic of China Entry-Exit Inspection Zhenjiang Inspection and quarantine bureau. The main drafters. Zhang Zhigang, Chen Dajie, Zhao, Xudui Ming, Zhang Jin. Determination of iso-ascorbic acid in food exports High Performance Liquid Chromatography

1 Scope

This standard specifies the HPLC method Isoascorbate of food for export. This standard applies to canned meat, canned fish, rice pudding, canned fruit, wine, vinegar, beer, milk iso-ascorbic acid Determination.

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

Erythorbic acid sample extraction with water, after the catalytic dehydrogenation of activated carbon, and o-phenylenediamine derivatized material having strong fluorescence, with the Equipped with a fluorescence detector measured by HPLC, external standard.

4 Reagents and materials

Except where noted, all reagents were of analytical grade, test water shall meet the requirements of GB/T 6682 in one of the water. 4.1 acetonitrile. liquid chromatography. 4.2 methanol. 4.3 sodium acetate. 4.4 glacial acetic acid. 4.5 o-phenylenediamine. liquid chromatography. 4.6 dodecahydrate disodium hydrogen phosphate (Na2HPO4 · 12H2O). 4.7 phosphoric acid. 4.8 activated carbon powder.200 mesh. 4.9 Standard. erythorbate standards, purity not less than 99%, CAS Number. 89-65-6. 4.10 sodium acetate buffer solution. Weigh 30.13g of sodium acetate were dissolved in 80mL water, adjusting the pH to 5.0 with glacial acetic acid with water after a given Volume to 100mL, spare. Methanol solution of 4.11 20mmol/L o-phenylenediamine. Weigh 2.16g o-phenylenediamine, was dissolved in 1L of methanol, spare. 4.12 20mmol/LNa2HPO4 solution. Weigh 7.16gNa2HPO4 · 12H2O was dissolved in 1L of water, the pH is adjusted with phosphoric acid 7.0 to spare. 4.13 standard stock solution. weigh the amount erythorbate standard (accurate to 0.1mg), formulated with water to the stock solution 100mg/L, and avoid Save the light, save product after Standard and derivative time of 24h. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 3858-2014_English be delivered?

Answer: Upon your order, we will start to translate SN/T 3858-2014_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 3858-2014_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 3858-2014_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. 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.