Equipment goods

A Multi-Residue Method Choice-QuEChERS

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines several sample preparation steps and extends the range of analytes recovered by older boring extraction methods. The growth of QuEChERS benefits from the emerging requirements for the determination of trace analytes in high-throughput environments.
The matrix includes:
• animal products – meat, fish, kidneys, chicken, milk, honey
• grains and cereal products
• food – wine, fruit juices, fruits and vegetables

The extension of the QuEChERS method not only demonstrates its function in sample extraction and purification, but also addresses concerns about detecting large quantities of pesticides, herbicides, fungicides, antibiotics, and other compounds throughout the food supply.
The basic form of QuEChERS consists of three steps:
1. Liquid microextraction
2. Solid-phase cleaning
3. LC/MS/MS or GC /MS analysis

QuEChERS continued to improve the sample preparation of analytes in various samples. QuEChERS has now become a generic technology, with many modifications, each variant designed to do one thing: rapid sample extraction and clean up.
These modifications include:
• increase the flux of samples while reducing the cost
• minimize degradation of susceptible compounds, such as base and acid-unstable pesticides
• extend the range of matrices applicable to this approach

A Multi-Residue Method Choice-QuEChERS

Location : Xi'an City , Shaanxi Province, P.R.China, 710077 Xi'an,
Contact : Bruce Lu, +86 29 89284429

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India 122001 Food
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Saturday, April 05, 2008

Quantity : Any

Dear Customers, We are a professionally managed company engaged in the manufacturing and exporting of Fashion, Costume Jewellery, Victorian Jewellery, Bangles. Lac products - Jewellery Boxes, Pill Boxes, Pencil box, Christmas Hanging, etc. Embroidery, Zari, Beaded Bags & Purses. We...

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Turkey 03750 Raw materials
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Tuesday, December 23, 2008

Quantity : any - Price : 16 EURO / sqm

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Emek Travertine & Marble Ltd.

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  • 0090 272 341 23 32
  • 0090 546 607 56 13
Hong Kong 999077 Audio and Video
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Wednesday, April 29, 2015

Quantity : as ordered - Price : under negotiation

We are the manufacture of cartridge heaters in china with CE, ROHS, ISO9001, CCC, certification. Specification: 1) Materials: Quality stainless steel, high purity MgO powder and NiCr metal 2) Rated voltage: By the clients need... Any volts can be ok. 3)Diameter: 6mm,6.35mm,6.5mm,8mm,9...

Zhejiang Fago Trade Co., LTD

  • 999077 - ,
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  • +11 8 58 81 59 70