GB/T 5009.172-2003Determination of trifluralin residues in soybean, peanut, soybean oil, peanut oil (English PDF)
大豆、花生、豆油、花生油中的氟乐灵残留量的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 11, 2003
Implementation date
January 1, 2004
Scope
GB/T 5009.172-2003 is the English-translated version of 大豆、花生、豆油、花生油中的氟乐灵残留量的测定.
GB/T 5009.172-2003 is the Chinese standard "Determination of trifluralin residues in soybean, peanut, soybean oil, peanut oil". Its scope clause reads: This standard specifies determination methods of trifluralin residues in soybean, peanut, soybean oil and peanut oil.
This standard is applicable to the determination of trifluralin residues in soybean, peanut, soybean oil and peanut oil. The detection limit of this method is 0.001µg and the linear range is 0.01µg/mL~0.10µg/mL. Its clauses include principle; reagents.
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Document preview — GB/T 5009.172-2003
National Standard of the People's Republic of China
- ICS
- 67.040
- Classification
- C 53
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword j
- Introduction i
- 1 Scope
- 2 Principle
- 3 Solvent
- 4 Apparatus and Equipment
- 5 Analysis Procedures
- 6 Precision
- 7 Chromatogram
1 Scope
This standard specifies determination methods of trifluralin residues in soybean, peanut, soybean oil and peanut oil.
This standard is applicable to the determination of trifluralin residues in soybean, peanut, soybean oil and peanut oil.
The detection limit of this method is 0.001µg and the linear range is 0.01µg/mL~0.10µg/mL.
2 Principle
After the trifluralin in specimen is extracted with methanol or acetone, it undergoes liquid-liquid split and Florisil column purification; then it is determined by gas chromatograph with electron capture detector and quantify with external standard method.
3 Reagents
3.1 Methanol
redistill with all-glass distiller.
3.2 Acetone
redistill with all-glass distiller.
......
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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GB/T 5009.172-2003
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