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SN/T 0983-2013 English PDF

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SN/T 0983-2013: Determination of benfuresate residues in cereals for export
Status: Valid

SN/T 0983: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SN/T 0983-2013English499 Add to Cart 4 days [Need to translate] Determination of benfuresate residues in cereals for export Valid SN/T 0983-2013
SN/T 0983-2000English599 Add to Cart 4 days [Need to translate] Export a in cereals furosemide yellow grass residues Obsolete SN/T 0983-2000

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Basic data

Standard ID SN/T 0983-2013 (SN/T0983-2013)
Description (Translated English) Determination of benfuresate residues in cereals for export
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard X11
Classification of International Standard 67.060
Word Count Estimation 19,152
Older Standard (superseded by this standard) SN/T 0983-2000
Quoted Standard GB/T 6682
Regulation (derived from) National quality recognition (2013), No. 464; industry standard filing Notice No. 1 of 2014 (No. 169 overall)
Issuing agency(ies) General Administration of Customs
Summary This standard specifies a method for detecting residues in cereals Gap amount of yellow grass. This standard applies to rice, corn and wheat grass yellow bark residues determination and confirmation.

SN/T 0983-2013: Determination of benfuresate residues in cereals for export

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Determination of benfuresate residues in cereals for export People's Republic of China Entry-Exit Inspection and Quarantine Standards Instead of the SN/T 0983-2000 Determination of cereals for export furosemide yellow grass residues Issued on. 2013-08-30 2014-03-01 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. Instead of the standard SN/T 0983-2000 "furosemide yellow grass residues in cereals for export." This standard SN/T 0983-2000 phase Ratio, in addition to editorial changes, the major technical changes are as follows. --- Standard name from "cereals for export furosemide yellow grass residues in" to "Determination of cereals for export furosemide grass yellow residues"; --- Expand the scope of the standard testing; --- Deletion of a portion of the sample; --- Improved sample preparation techniques; --- Increasing the positive samples by gas chromatography - mass spectrometry confirmatory test. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Shandong CIQ. The main drafters of this standard. Gengjin Pei, Lee Soo-Yong, Yin road, Li Xiaoyu, Cao Peng, Yu Jie. This standard replaces the standards previously issued as follows. --- SN/T 0983-2000. Determination of cereals for export furosemide yellow grass residues

1 Scope

This standard specifies the method for detection of cereals for export furosemide grass yellow residues. This standard is applicable to the export of rice, wheat and corn determination furosemide yellow grass residues 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 sample was extracted with acetonitrile, the C18/NH2 SPE column series, concentrated, constant volume, using a gas chromatograph (GC-FPD) were measured, Gas chromatography - mass spectrometry (GC-MS) confirmed, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetone. chromatography. 4.2 hexane. chromatographically pure. 4.3 sodium chloride. 4.4 over anhydrous sodium sulfate. After burning 650 ℃ 4h, placed in a sealed container reserve. 4.5 over anhydrous sodium sulfate column. 7.5cm × 1.5cm (internal diameter) glass column, 5cm high built with anhydrous sodium sulfate. 4.6 C18 solid phase extraction column. 1000mg/6mL, or equivalent person. 4.7 NH2 group SPE. 1000mg/6mL, or equivalent person. 4.8 furosemide grass yellow standard (English name. benfuresate, C12H16O4S, CAS number. 68505-69-1). purity not less than 97.5%. 4.9 furosemide grass yellow standard solution. Accurately weigh an adequate amount of furosemide grass yellow standards, formulated with acetone to a concentration of 100μg/mL standard stock solution, Diluted as needed with acetone to the appropriate concentration of the standard working solution. 5. Apparatus 5.1 Gas chromatograph. equipped with a flame photometric detector (sulfur filter, wavelength 394nm). 5.2 Gas chromatography - mass spectrometry. equipped with electron impact ionization (EI). 5.3 Electronic balance. a sense of the amount of 0.01mg, 0.01g. 5.4 oscillator. 5.5 mill. 5.6 rotary evaporator. 5.7 micro syringe. 10μL. 5.8 nitrogen blowing instrument.

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