|
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 | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3858-2014 | English | 419 |
Add to Cart
|
3 days [Need to translate]
|
Determination of erythorbic acid in food for export. HPLC method
| Valid |
SN/T 3858-2014
|
PDF similar to SN/T 3858-2014
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.
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+ 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 [email protected]. 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.
|