Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for measuring famoxadone in water

A technology of oxazolidone and a determination method, applied in the field of analytical chemistry, can solve the problems of high detection limit, unstable gas chromatographic peaks, poor reproducibility, etc., and achieves low detection limit and improved stability. Effect

Pending Publication Date: 2019-06-14
国检测试控股集团京诚检测有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the main method for the determination of oxaconazole is gas chromatography, but oxaconazole is highly polar, and the peak in gas chromatogram is not stable
In addition, the commonly used detection method of oxaconazole is dehydrogenation ion or hydrogenation ion method (characteristic ion mass spectrometry parameter precursor ion is 372 or 374), the detection limit of this method is high, and the reproducibility is not good

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for measuring famoxadone in water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for assaying oxacone in water, comprising

[0024] Sampling steps: take 1ml of water sample;

[0025] Determination steps: the water sample is subjected to liquid phase tandem mass spectrometry;

[0026] Wherein, liquid chromatography condition is as follows:

[0027] Waters ACQUITY UPLC BEH C 18 Column (50mm x 2.1mm, 1.7μm) chromatographic column; column temperature 40°C; injection volume 1μL; flow rate 0.3mL / min; mobile phase A is 0.05% ammonium acetate aqueous solution, B is methanol. Gradient elution program: 0.00~1.00min, 85%~85%A; 1.00~2.00min, 85%~15%A; 2.00~3.00min, 15%~15%A; 3.00~4.00min, 15%~ 85%A; 4.00~5.00min, 85%~85%A.

[0028] The mass spectrometry conditions are as follows:

[0029] Electrospray ion source; positive ion scan; capillary voltage 0.5kV; ion source temperature 150°C; desolvated gas 500°C; desolvated gas flow (nitrogen) 800L / h; Mode detection; the characteristic ion mass spectrometry parameters of oxaflucone are 392 / 238, 392 / 93....

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a method for measuring famoxadone in water. The method includes the sampling step of water sampling and the measuring step that a water sample is measured by a liquid phase tandem mass spectrum. According to the method for measuring the famoxadone in the water, after water sampling, the water sample can be directly measured by the liquid phase tandem mass spectrum, extra operation is not needed, a moving phase carries ammonium radical ions, after the ammonium ions are adopted for adducting (a characteristic ion mass spectrum parameter parent ion is 392), the detection limit is low, stability is improved greatly, and the famoxadone in the water can be detected effectively.

Description

technical field [0001] The invention relates to the technical field of analytical chemistry, in particular to a method for determining oxacone in water. Background technique [0002] Falfafenone is a new type of high-efficiency, broad-spectrum bactericidal pesticide. Suitable crops include wheat, barley, peas, sugar beets, canola, grapes, potatoes, claws, peppers and tomatoes. It is mainly used to control important diseases in Ascomycetes, Basidiomycetes, and Oomycetes, such as powdery mildew, rust, glume blight, net spot, downy mildew, and late blight. [0003] At present, the main method for the determination of oxaflucone is gas chromatography, but oxaflucone is highly polar, and the peak in gas chromatogram is not stable. In addition, the commonly used method for the detection of oxaflucone is dehydrogenation ion or adducted hydrogen ion method (characteristic ion mass spectrometry parameter precursor ion is 372 or 374), the detection limit of this method is high, and ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01N30/88G01N30/34
Inventor 栾建文杨志浩汪苹任辉杨晓红罗杰鸿黄云生
Owner 国检测试控股集团京诚检测有限公司