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internal standard |
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internal standard [in′tərn·əl ′stan·dərd] (spectroscopy) The principal line in spectrum analysis by the logarithmic sector method, a quantitative spectroscopy procedure. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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RNA amplification by nucleic acid Sequence-based amplification with an internal standard enables reliable detection of Chlamydia trachomatis in cervical scrapings and urine samples. The internal standard (perfluorodecanoic acid) was purchased from Lancaster Company, Inc. In addition, a gravimetric solution of two compounds not detected in each Aroclor was prepared for each analysis for use as an internal standard solution (methanol) or transformer oil (Figs. |
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