SN/T 4137-2015 English PDF

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SN/T 4137-2015: Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export. LC-MS/MS method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 4137-2015	279	Add to Cart	3 days	Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export. LC-MS/MS method	Valid

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Basic data

Standard ID: SN/T 4137-2015 (SN/T4137-2015)
Description (Translated English): Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export. LC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X20
Classification of International Standard: 67.120.30
Word Count Estimation: 12,175
Date of Issue: 2015-02-09
Date of Implementation: 2015-09-01
Quoted Standard: GB/T 6682
Regulation (derived from): State-Quality-Inspection-Accreditation [2015] 59
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the export of aquatic products in benzophenone and parabens (2, 4-dihydroxy benzophenone, 2, 2 ', 4, 4'-tetrahydroxy benzophenone, 2 - hydroxy-4-methoxy benzophenone, methyl paraben, ethyl paraben, propyl paraben and butyl paraben) residual amount of liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to octopus, fish, hijiki, seaweed, kelp, shrimp 2, 4-dihydroxy benzophenone, 2, 2 ', 4, 4'-tetrahydroxy benzophenone, 2-hydroxy - 4-methoxy-benzophenone, methyl paraben, ethyl paraben, propyl paraben and butyl paraben residues measured and confirmed.

SN/T 4137-2015: Determination of benzophenone and methyl p-hydroxybenzoate in aquatic products for export. LC-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.
(Aquatic products for export benzophenone and parabens Determination of residual liquid chromatography - mass spectrometry/mass spectrometry) People's Republic of China Entry-Exit Inspection and Quarantine Standards Aquatic products for export and benzophenone Determination of parabens Residues Liquid chromatography - mass spectrometry/mass spectrometry Issued on. 2015-02-09 2015-09-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with the rules of GB/T 1.1-2009 and GB/T 20001.4-2001 given. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of 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 Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Han Chao, Zhou Jin Xiu, Hubei Zhen, Chen Hsiang accurate, Dai Qi, Zhu Zhen Ou. Aquatic products for export and benzophenone Determination of parabens Residues Liquid chromatography - mass spectrometry/mass spectrometry

1 Scope

This standard specifies the export of aquatic products in benzophenone and parabens (2,4-dihydroxy benzophenone, 2,2 ', 4,4'-tetra hydroxyl Group benzophenone, 2-hydroxy-4-methoxy benzophenone, methyl paraben, ethyl paraben, propyl paraben and butyl paraben) Residues Liquid chromatography - mass spectrometry/mass spectrometry methods. This standard applies to octopus, fish, hijiki, seaweed, kelp, shrimp 2,4-dihydroxy benzophenone, 2,2 ', 4,4'-tetrahydroxy benzophenone Ketone, 2-hydroxy-4-methoxy benzophenone, measured methyl paraben, ethyl paraben, propyl paraben and butyl paraben and residues Confirmed.

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

Using isotope dilution technique, the sample methanol ultrasonic extraction, the extract was dried solid phase extraction (SPE), liquid chromatography - mass spectrometry/mass spectrometry Measured, internal standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade, water as a secondary water GB/T 6682 regulations. 4.1 Methanol. chromatographically pure. 4.2 acetonitrile. chromatography. Acetate 4.3. HPLC grade. Ammonia 4.4. content of 25%. 4.5 1% acetic acid solution. amount of 1mL acetic acid to 100mL volumetric flask with water to volume. 4.6 1% acetic acid - methanol (11 volume). amount of 50mL1% acetic acid solution (4.5) to 100mL volumetric flask with methanol to Scale. 4.7 2% ammonia in methanol. aqueous ammonia amount of 2mL to 100mL volumetric flask with methanol to volume. 4.8 20% methanol solution. Measure 20mL of methanol to 100mL volumetric flask with water to volume. 4.9 standard. 2,4-dihydroxy benzophenone (C13H10O3, CAS. 131-56-6), 2,2 ', 4,4'- tetrahydroxy-benzophenone (C13H10O5, CAS. 131-55-5), 2- hydroxy-4-methoxy benzophenone (C14H12O3, CAS. 131-57-7), methyl paraben (C8H8O3, CAS. 99-76-3), ethyl paraben (C9H10O3, CAS. 120-47-8), propyl paraben (C10H12O3, CAS. 94-13-3), Butylparaben ......

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