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GB/T 40459-2021: Qualitative screening of multi plant growth regulators in fertilizers - Liquid chromatography-tandem mass spectrometry method
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Qualitative screening of multi plant growth regulators in fertilizers - Liquid chromatography-tandem mass spectrometry method
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GB/T 40459-2021
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Basic data | Standard ID | GB/T 40459-2021 (GB/T40459-2021) | | Description (Translated English) | Qualitative screening of multi plant growth regulators in fertilizers - Liquid chromatography-tandem mass spectrometry method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G20 | | Word Count Estimation | 14,136 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40459-2021: Qualitative screening of multi plant growth regulators in fertilizers - Liquid chromatography-tandem mass spectrometry method
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Qualitative screening of multi plant growth regulators in fertilizers - Liquid chromatography-tandem mass spectrometry method
ICS 65.080
CCSG20
National Standards of People's Republic of China
Variety of plant growth regulators in fertilizers
Qualitative screening liquid chromatography-mass spectrometry
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee for Fertilizers and Soil Conditioners (SAC/TC105).
Drafting organizations of this document. Shandong Institute of Product Quality Inspection, Shanghai Institute of Chemical Industry Testing Co., Ltd., Yunnan Chemical Product Quality Supervision
Inspection Station, Shandong Agricultural University Fertilizer Technology Co., Ltd., Sichuan Guoguang Agrochemical Co., Ltd., Shandong Chenzhang Biotechnology Co., Ltd., Jinan
Tianbang Chemical Co., Ltd., Linyi Inspection and Testing Center.
The main drafters of this document. Zhang Juan, Shang Zhaocong, Su Benyu, Zhu Hairong, Chen Xi, Zhao Lin, Zhang Peng, Chen Meng, Yang Yi, Ding Fangjun, Guo Xinsong,
Yin Huimin and Zhao Huaining.
Variety of plant growth regulators in fertilizers
Qualitative screening liquid chromatography-mass spectrometry
1 Scope
This document describes the qualitative screening of various plant growth regulators in fertilizers using liquid chromatography-mass spectrometry.
This document is applicable to a variety of plant growth regulators (sodium nitrophenolate, sodium nitrophenolate,
2,4-Dichlorophenoxyacetic acid (2,4-D), abscisic acid, naphthaleneacetic acid, gibberellic acid, indole-3-acetic acid, indolebutyric acid, forchlorfenuron, uniconazole, paclobutrazol,
6-Benzylaminopurine) detection.
In this document, the detection limit of indole-3-acetic acid and indolebutyric acid is 0.5mg/kg, and the method detection limit of naphthaleneacetic acid, abscisic acid, gibberellic acid, 2,4-D
The detection limit of the method is 0.3 mg/kg, and the detection limit of the sodium nitrophenolate method is 0.1 mg/kg.
The detection limit of the method is 0.05mg/kg.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 6682 Analytical laboratory water specifications and test methods
3 Terms and definitions
There are no terms and definitions that need to be defined in this document.
4 Principle
The analyte in the sample is ultrasonically extracted with methanol-formic acid aqueous solution, and under the selected working conditions, the liquid chromatography-tandem mass spectrometer is used
Qualitative screening and quantitative external standard method.
5 Reagents and materials
5.1 General provisions. Unless otherwise specified, only use reagents confirmed to be analytically pure and first-grade water in GB/T 6682 in the analysis.
5.2 Methanol. chromatographically pure.
5.3 Formic acid. chromatographically pure.
5.4 Formic acid solution (Ⅰ). accurately pipette 0.10mL formic acid (5.3) and dilute with water to 1000mL.
5.5 Formic acid solution (II). accurately pipette 1.0mL formic acid (5.3) and dilute to 1000mL with water.
5.6 Methanol-formic acid solution. accurately measure.200mL of formic acid solution (II) (5.5), dilute to 1000mL with methanol (5.2), and mix. Now with
Now use.
5.7 Sodium 2-nitrophenolate, sodium 4-nitrophenolate, sodium 5-nitroo-methoxyphenolate, 2,4-dichlorophenoxyacetic acid (2,4-D), abscisic acid, naphthalene ethyl
Chemical Abstracts Registration Number of Standards of Acid, Gibberellic Acid, Indole-3-acetic Acid, Indole Butyric Acid, Forchlorfenuron, Uniconazole, Paclobutrazol, 6-Benzylaminopurine
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