Some Case Of QuEChERS
The QuEChERS method has the following advantages : (1) high recovery rate, which is greater than 85% for a large number of polar and volatile pesticide varieties;(2) high accuracy and accuracy, can be corrected by internal standard method;(3) a wide range of analyzable pesticides, including polar and non-polar pesticide species, can be used to obtain a good recovery;(4) fast analysis speed, able to complete the processing of 6 samples within 30min;(5) less solvent, less pollution, low price, and no chlorine-containing solvent;(6) it is easy to operate and can be completed well without good training and higher skills;(7) acetonitrile is immediately sealed after being added to the container, so as to reduce its contact with the staff;(8) very few glassware is used in the sample preparation process, and the device is simple.
Contact : Bruce Lu, +86 29 89284429
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01 Everything else / BulkReport abuse
Monday, February 16, 2009
Quantity : selon dema
Our company is professional tyre supplier in China. We can offer various sizes of passenger car tires,covering sizes as below: Pattern : as per picture 145 / 70R12; 185 / 70R13; 165 / 70R14; 185 / 60R14; 185 / 70R14; 175 / 70R14; 195 / 60R14; 195 / 65R15; and so on If you have interest...
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Quantity : 20 - Price : 25,00 €
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Dear Sirs, we introduce ourselves, a small extravirgin olive oil manufacturer of the south of Italy (Apulia Region). Our firm produces extravirgin olive oil from centuries old trees, sited on its land in Salento, in the areas of Botrugno, Scorrano and Muro Leccese. The olive trees...
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