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SN/T 2655-2010: Determination of natamycin residue in fruit juice for import and export. HPLC
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2655-2010 | English | 389 |
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Determination of natamycin residue in fruit juice for import and export. HPLC
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SN/T 2655-2010
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PDF similar to SN/T 2655-2010
Basic data | Standard ID | SN/T 2655-2010 (SN/T2655-2010) | | Description (Translated English) | Determination of natamycin residue in fruit juice for import and export. HPLC | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.080.10 | | Word Count Estimation | 15,176 | | Date of Issue | 2010-11-01 | | Date of Implementation | 2011-05-01 | | Regulation (derived from) | National Quality Inspection (2010) 582 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the import and export of fruit juice natamycin HPLC method. This standard applies to imports of apple juice, orange juice, pear juice natamycin residues detected. | SN/T 2655-2010: Determination of natamycin residue in fruit juice for import and export. HPLC---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 natamycin residue in fruit juice for import and export.HPLC
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Importers juice natamycin Residue Detection
High Performance Liquid Chromatography
HPLC
Issued on. 2010-11-01
2011-05-01 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.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Henan Exit Inspection and Quarantine.
The main drafters of this standard. Liu Ya wind, Yuan Ping, Yang Jizhou, Liang Wei.
Importers juice natamycin Residue Detection
High Performance Liquid Chromatography
1 Scope
This standard specifies the import and export of fruit juice and Namibia HPLC method natamycin.
This standard applies to the import and export of apple juice, orange juice, pear juice natamycin residues detected.
2 Sample Preparation and Storage
2.1 Preparation of the sample
Take the right amount of juice samples, mixed evenly sampled.
Save 2.2 sample
Sample storage containers should be tightly sealed, set 0 ℃ ~ 4 ℃ cold standby. In the preservation and sample preparation sample, the sample should be prevented by
To taint admittance variation natamycin content.
3 Method summary
The sample was diluted with water by a certain percentage, after centrifugation, solid phase extraction, use with diode array detector (DAD) of high-performance liquid
Chromatograph testing, external standard.
4 Reagents and materials
Unless otherwise specified, the reagents were of analytical grade water for ultra-pure water.
4.1 Methanol. chromatographically pure.
4.2 Natamycin Standards (CAS No. 7681-93-8). Purity ≥99%.
4.3 natamycin standard solution. Accurately weigh an appropriate amount of natamycin standard, prepared in methanol standard solution 1000μg/mL of.
Diluted as needed with standard working solution with a suitable concentration of flow.
5. Apparatus
5.1 High performance liquid chromatograph. equipped with a diode array detector (DAD).
5.2 Centrifuge. maximum speed 5000r/min.
5.3 0.22μm filters.
5.4 C18 solid phase extraction column. 3mL.
6 measuring step
6.1 Sample Preparation
Accurately weigh 5g sample (accurate to 0.01g) in 50mL brown volumetric flask, with a 5% aqueous methanol to volume, mix,
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