SN/T 5441-2022 in English

VALID

Determination of 'Tricaine,Benzocaine and Quinaldine residues in aquatic products for export - HPLC/MS/MS method

Issued on:2022-03-14
Implemented on:2022-10-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $490.00
$476.00

Standard No:	SN/T 5441-2022
Document status:	VALID
Title in English:	Determination of 'Tricaine,Benzocaine and Quinaldine residues in aquatic products for export - HPLC/MS/MS method
Title in Chinese:	出口水产品中三卡因、苯佐卡因、喹哪啶残留量的测定液相色谱-质谱/质谱法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2022-03-14
Implemented on:	2022-10-01
Professional Classification:	SN-Import&Export Inspection
Related Keywords:	aquatic products quinaldine residues anesthetic residues aquatic product safety increase method introduction technical background
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Introduction

Technical background of the standard

This standard is formulated to meet the control needs of anesthetic residues in exported aquatic products. As international requirements for aquatic product safety increase, a new simultaneous detection method for tricaine, benzocaine and quinaldine will be added in 2022.

Key Points of the Method

Analyte	CAS Number	Quantitative Ion Pair (m/z)	Detection Limit (μg/kg)
Tricaine	886-86-2	166.1/138.0	2.0
Benzocaine	94-09-7	166.1/94.0	2.0
Quinadine	91-63-4	144.1/128.0	2.0

Key Operation Procedures

Sample Pretreatment

Extraction with phosphate-methanol mixture and cleanup with HLB solid phase extraction column. The optimized recovery range is:

Fish matrix: 70.2%-112.0%
Crustacean: 71.2%-93.2%

Instrument conditions

Chromatographic column: C8 (150mm×2.1mm, 3μm), mobile phase is 0.1% formic acid water-acetonitrile gradient elution, total analysis time is 15min.

Implementation suggestions

High-fat samples need to add a -10℃ frozen centrifugation step
It is recommended to prepare a fresh matrix to match the standard curve for each batch of samples
Pay attention to ion source contamination and clean the mass spectrometer components regularly

More samples: NB/T 47013.2-2015 JGJ 94-2008 GB 50021-2001(2009)

Sample only — not a preview of SN/T 5441-2022

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