Standard No.:	NY/T 4350-2023
English Name:	Determination of 2-acetyl-1-pyrroline in rice by gas chromatography-tandem mass spectrometry
Chinese Name:	大米中2-乙酰基-1-吡咯啉的测定 气相色谱-串联质谱法
Professional Classification:	NY    Professional Standard - Agriculture
Source Content Issued by:	MOARA
Issued on:	2023-4-11
Implemented on:	2023-8-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4500 words
Translation Price(USD):	100.0
Delivery:	via email in 1 business day

NY/T 4350-2023 Determination of 2-acetyl-1-pyrroline in rice by gas chromatography-tandem mass spectrometry 1 Scope This document specifies a method for the determination of 2-acetyl-1-pyrroline in rice by gas chromatography-tandem mass spectrometry. This document is applicable to the determination of 2-acetyl-1-pyrroline in rice. 2 Normative references No normative references are listed in this document. 3 Terms and definitions No terms and definitions are listed in this document. 4 Principle After pulverizing and ultrasonic extraction with anhydrous ethanol, detect the specimen by gas chromatography-tandem mass spectrometry; conduct qualitative analysis based on retention time and relative abundance of characteristic ions and conduct quantitative analysis using the external standard method. 5 Reagents and materials 5.1 Reagents

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents and materials 6 Instruments and apparatus 7 Specimen preparation 8 Analytical procedure 9 Result calculation 10 Precision and sensitivity Annex A (Informative) Multiple reaction monitoring (MRM) chromatogram and ion pair diagram of 2-AP in rice