Benzidine Matrix spike recovery by EPA 625.1

Discussions about sample preparation: extraction, cleanup, derivatization, etc.

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We are having problems to recovered benzidine in the matrix spike using an effluent sample. Did any one have an idea on how to solve this problem ? I'll appreciate all your comments.

Thank you,
What do you mean by problems recovering benzidine? Very low % recoveries are common for the benzindines even in blank water.
Are seeing any recovery at all?
2 posts Page 1 of 1

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