GB/T 23584-2009Determination of acetamiprid residue in fruits and vegetables - Liquid chromatography-tandem mass spectrometry (English PDF)
水果、蔬菜中啶虫脒残留量的测定 液相色谱-串联质谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
April 14, 2009
Implementation date
August 1, 2009
Scope
GB/T 23584-2009 is the English-translated version of 水果、蔬菜中啶虫脒残留量的测定 液相色谱-串联质谱法.
GB/T 23584-2009 is the Chinese standard "Determination of acetamiprid residue in fruits and vegetables - Liquid chromatography-tandem mass spectrometry". Its scope clause reads: This standard specifies the fruits and vegetables Acetamiprid Residues liquid chromatography - tandem mass spectrometry.
This standard applies to fruits and vegetables Acetamiprid Residues Determination. The standard quantitative limit. 0.01mg/kg. Its clauses include reagents and materials.
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Document preview — GB/T 23584-2009
National Standard of the People's Republic of China
- Classification
- X 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Reagents and materials
- 4.1 acetonitrile
- 4.2 Methanol
- 4.3 formic acid
- 4.7 acetate - acetonitrile
- 4.8 formic acid
- 4.9 N- propyl-ethylenediamine (PSA) Adsorbent
- 4.10 and octadecyl silica (C18) sorbent
- 4.11 Acetamiprid Standard
- 4.12 standard stock solution
- 4.13 standard solution
- 4.14 porous membrane
- 5.1 Liquid chromatography - tandem quadrupole mass spectrometer
- 5.2 Analysis of balance
1 Scope
This standard specifies the fruits and vegetables Acetamiprid Residues liquid chromatography - tandem mass spectrometry.
This standard applies to fruits and vegetables Acetamiprid Residues Determination.
The standard quantitative limit. 0.01mg/kg.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard. However, according to research encourages the parties to the agreement
Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)
Principle 3
The sample was crushed, after mixing, acidic acetonitrile extraction by Dispersive Solid Phase Extraction purified by liquid chromatography - tandem mass spectrometry.
4 Reagents and materials
Unless otherwise noted, all reagents were of analytical grade water as a water GB/T 6682 regulations.
4.1 acetonitrile
chromatography.
4.2 Methanol
chromatographically pure.
4.3 formic acid
Chromatographic pure.
4.4
acetic acid.
4.5
sodium chloride.
4.6
anhydrous magnesium sulfate.
4.7 acetate - acetonitrile
99 + 1 (volume ratio).
4.8 formic acid
0.1% (volume fraction).
4.9 N- propyl-ethylenediamine (PSA) Adsorbent
150µm ~ 300µm.
4.10 and octadecyl silica (C18) sorbent
150µm ~ 300µm.
4.11 Acetamiprid Standard
Acetamiprid content of not less than 96.0%.
4.12 standard stock solution
weigh accurately 10.0mg Acetamiprid standards, dissolved in acetonitrile and set the volume to 100mL flask, this dissolving
Concentration of 100µg/mL, as the standard stock solution; 4 °C cold storage period of three months.
4.13 standard solution
take the standard amount of stock solution (4.12) amount, diluted with acetonitrile to a concentration of 0.05µg/mL, 0.25µg/mL,
Series of standard working solution 0.5µg/mL, 2.5µg/mL, 5.0µg/mL of.
4.14 porous membrane
pore size of 0.22µm, the organic phase.
5. Apparatus
5.1 Liquid chromatography - tandem quadrupole mass spectrometer
with an electrospray ionization source.
5.2 Analysis of balance
a sense of the amount of 0.1mg.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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