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The dangers of weed killers - Glyphostae aka Roundup, the hidden killer.
Oz wrote:
Just to give you some idea I have visited a site where they could test at these levels. They had three areas, with separate doors to the outside and staff from each area were not allowed to touch each other until their shift had finished. This was because if one of the 'low level detection' area walked through the 'high level' area (where the test applications were made) then they would totally trash the analysis just from particles they picked up walking through. This doesn't make sense. Analytical labs which are set up to detect extremely small quantities of substances have to keep the samples isolated from all possible contaminants and that will include keeping them isolated from contamination by the people who are working on them. Also it doesn't require particularly sophisticated equipment or test conditions to detect pesticides on at the levels which are present on vegetables which are purchased by consumers. A gas chromatograph fitted with an electron capture detector will do it for many although combined gas chromatography/mass spectrometry may be required for unequivocal identification of some compounds. -- Mike Humberston Barnes, London WARNING: Spam trap in operation. Send any e-mail reply to mike, not oblivion. |
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