SN/T 0528-2012 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 0528-2012	919	Add to Cart	4 days	Determination of diflubenzuron residue in food for export. HPLC-MS/MS method	Obsolete
SN 0528-1996	519	Add to Cart	4 days	Method for the determination of diflubenzuron residues in cereals for export	Obsolete

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Basic data

Standard ID: SN/T 0528-2012 (SN/T0528-2012)
Description (Translated English): Determination of diflubenzuron residue in food for export. HPLC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 23,221
Older Standard (superseded by this standard): SN 0528-1996
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 diflubenzuron residues in food by high performance liquid chromatography mass spectrometry/mass spectrometry. This standard applies to rice, corn, soybeans, wheat, peanuts (ren), oranges, apples, celery, onions, mushr

SN/T 0528-2012: Determination of diflubenzuron residue in food for export. HPLC-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 diflubenzuron residue in food for export.HPLC-MS/MS method People's Republic of China Entry-Exit Inspection and Quarantine Standards Replacing SN 0528-1996 Food exports diflubenzuron Residue Detection High performance liquid chromatography - mass spectrometry/mass spectrometry HPLC-MS/MSmethod Issued on. 2012-05-07 2012-11-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released ͚ࡻϧΓ ڞ হ ప ܧ ڒ ධᷭ Ting ᷭ⫘ 㵹 ૓͇૓ᴴ૓3 ܧ ऐ Ji 8͚ 䮑 㮘 㙟 ₸ ⪆ 䛼 ᷭ≸᫦∂ Cui ᩵⋟Ⱕ 㞟 䅞 7 䉕 䅞 ౺ 䉕 䅞 ∂ ਹਲ਼ ಒ ਺ ಓಘಕಛ ૞ ಕಓಔಕ ͚ ప ᴴ 3 ܧ ❵ ⹫ ܧ ❵ ࡄϙ ጯ᱊ 䭠 ࡧহ Ꭰ 䛹 㺬 㶄 ⩟ಕ त ಉಔಓಓಓಔಖಊ ࡄϙ ጯ 㺬 ೻ࡧ̶ 䛹 ⇠ࡄ 㶄 ಔಙ त ಉಔಓಓಓಗಘಊ 㑾 7 ಞ ੣੣੣ ಑ ੑ੊ ಔಙಛ಑ ੋਖ਼ ᰺ߎ☚㏬ ಞಓಔಓ ს ಙಛಘಕಕಓಓಙ ಕಓಔಕ Ꭱ ಔಓᰵ su ̭❵ Γ त ಞಔಘಘಓಙಙ ૖ ಕ ს ಕಗಔಓಗ

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces SN 0528-1996 "diflubenzuron residues in cereals for export." This standard compared with SN 0528-1996, in addition to editorial changes outside the main technical changes are as follows. --- Modify the standard name, changed its name to "food for export diflubenzuron residues in detection performance liquid chromatography - mass spectrometry/mass spectrometry"; --- Increasing the scope of the standard, in addition to cereal grains, the increase of fruits, vegetables, honey, livestock and poultry products; --- Revised standard pretreatment method, using acetonitrile extraction, dispersed solid phase extraction purification pretreatment methods; --- Modify the standard test method using high performance liquid chromatography - mass spectrometry/mass spectrometry. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Sichuan Exit Inspection and Quarantine. The main drafters of this standard. Hujiang Tao, Pei Shuai strong, Jin Jing, Yu Gang, Fang Zhi Sheng Yi, Li, Huang Yuying. This standard replaces the standards previously issued as follows. --- SN 0528-1996. Food exports diflubenzuron Residue Detection High performance liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard provides the food for export diflubenzuron a HPLC - MS/MS detection method. This standard applies to rice, corn, soybeans, wheat, peanuts (kernels), oranges, apples, celery, onions, mushrooms (fresh), honey, mushrooms (dry), Tea, chicken, beef, pork, liver diflubenzuron residues in the determination and confirmation.

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

The samples were extracted with acetonitrile Diflubenzuron dispersed after solid phase extraction, liquid chromatography - mass spectrometry/mass spectrometer and confirmed, the external standard method Quantified.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile. chromatography. 4.2 n-hexane. 4.3 glacial acetic acid. 4.4 anhydrous sodium acetate. 4.5 Sodium chloride. 450 ℃ burning 4h, sealed reserve. 4.6 anhydrous sodium. 650 ℃ burning 4h, storage desiccator. 4.7 anhydrous magnesium. 650 ℃ burning 4h, storage desiccator. 4.8 N- ethylenediamine (Primarysecondaryamine, PSA). PSA packing or equivalent, particle size 40μm. 4.9 octadecylsilane bonded phase (C18). C18 packing or equivalent, particle size 50μm. 4.10 Glacial acetic acid - acetonitrile (99.9 0.1, by volume). Take 0.1mL glacial acetic acid (4.3) in acetonitrile was added 99.9mL (4.1), mix Reserve. 4.11 diflubenzuron Standards (CAS Number. 35367-38-5). purity of greater than or equal to 96%. 4.12 diflubenzuron standard stock solution. accurately weighed amount diflubenzuron standard (accurate to 0.1mg), preparation of a concentration with acetonitrile (4.1) as Standard stock solution 1.0mg/mL, and set -18 ℃ refrigerator. 4.13 diflubenzuron standard solution. as needed with acetonitrile (4.1) standard stock solution (4.12) diluted to the appropriate concentration of the standard work Liquid Pro with the existing service. ......

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