Path:
Home >
SN/T >
Page8 > SN/T 3545-2013
Price & Delivery
US$519.00 · In stock · Download in 9 secondsSN/T 3545-2013: Determination of various preservaives in foods for export
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| SN/T 3545-2013 | English | 519 |
Add to Cart
|
4 days [Need to translate]
|
Determination of various preservaives in foods for export
|
Click to Preview a similar PDF
Basic data
| Standard ID | SN/T 3545-2013 (SN/T3545-2013) |
| Description (Translated English) | Determination of various preservaives in foods for export |
| Sector / Industry | Commodity Inspection Standard (Recommended) |
| Classification of Chinese Standard | XO4 |
| Classification of International Standard | 67.050 |
| Word Count Estimation | 20,240 |
| Regulation (derived from) | AQSIQ notification issued in 2013 on the first batch of 179 entry-exit inspection and quarantine of industry standards; industry standard for filing Notice 2013 No. 9 (No. 165 overall) |
| Issuing agency(ies) | General Administration of Customs |
| Summary | This standard specifies the foods propionic acid, sorbic acid, benzoic acid, acetic acid dehydrogenation, the US-hydroxy benzoate, methyl paraben Shen, paraben, ethyl paraben Shen acid isobutylamide acetate, propyl paraben and gas chromatography and sampl |
SN/T 3545-2013: Determination of various preservaives in foods for 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 various preservaives in foods for export
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Export more preservatives in food measurement method
Issued on. 2013-03-01
2013-09-16 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. 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. People's Republic of China Liaoning Province Exit Inspection and Quarantine.
The main drafters of this standard. Dongzhen Lin, Mike Sui, Pang Yanhua, even Xu, Jiang Wei.
Export more preservatives in food measurement method
1 Scope
This standard specifies the foods propionic acid, sorbic acid, benzoic acid, dehydroacetic acid, p-hydroxy benzoate, methyl paraben, for
Ethyl paraben, isobutyl p-hydroxybenzoate, propyl paraben and butyl paraben more preservatives Gas Chromatography
Detection and sample preparation methods.
This standard applies to salted pepper, instant noodles, miso, milk, salted mushrooms, orange juice, cakes, soy sauce, wine and salted foods such as bracken more
Species Determination of preservatives content.
2 Method summary
Preservative in the sample under acidic conditions (vitriol) with ethyl acetate or acetonitrile (added anhydrous magnesium sulfate and sodium chloride salting) mentioned
Take, Pipette part extract was dried over anhydrous magnesium sulfate, determined by gas chromatography (GC), external standard.
3 Reagents and materials
Unless otherwise specified, the reagents used were HPLC grade.
3.1 acetonitrile.
3.2 ethyl acetate.
3.3 n-hexane.
3.4 Concentrated sulfuric acid. AR.
3.5 Sodium carbonate. AR.
3.6 Sodium chloride. AR.
3.7 anhydrous magnesium. AR; 650 ℃ burning 4h, stored in a sealed container in the back.
3.8 aqueous solution of sulfuric acid. 10% (volume fraction).
3.9 aqueous sodium carbonate solution. 0.20g/mL.
3.10 Standard preservative. purity of greater than or equal to 98%. For more information refer to the Material standard tables in Appendix A A.1.
3.11 Standard stock solution. namely, accurately weighed amount of preservative standards (4.10), paired with acetonitrile concentration of 10mg/mL standard
Quasi stock solution. Standard stock solution stored at 0 ℃ ~ 4 ℃ condition. Formulated once every 12 months.
3.12 mixed standard stock solution. Pipette appropriate amount of acid, sorbic acid, benzoic acid, dehydroacetic acid, methylparaben, hydroxy
Benzoate, propyl paraben, butyl paraben, p-hydroxy benzoate and parabens 10 kinds of isobutyl
Standard preservative stock solution with acetonitrile dubbed mixed standard stock solution at a concentration of 500μg/mL. Mixed standard stock solution at 0 ℃ ~
At 4 ℃ storage, preparation once every six months.
3.13 mixed standard working solution. mixed standard stock solution was diluted with acetonitrile to a suitable concentration of standard working solution. At 0 ℃ ~ 4 ℃
Storage conditions. Once every three months preparation.
4 instruments and equipment
4.1 Gas chromatograph. equipped with a flame ionization detector (FID).
...
