lec_5 - LEC FIVE: FINAL VISIT INTRODUCTION TO NMR THEN ON...

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LEC FIVE: FINAL VISIT INTRODUCTION TO NMR THEN ON TO SPECTRA INTERPRETATION σ diam prop to 1/r r = dist of nucleus to valence e - σ para prop to Σ Q/( E)(r 3 )
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STANDARDS
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P45 SAMPLE PREP I
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Advanced Microtubes Matched with CDCl 3 Shigemi is introducing its newest invention, the advanced NMR Microtube. This 5 mm sample tube has a thinner glass wall in the sample area than the existing type (0.40 mm -> 0.20 mm), increasing the sample capacity held in the Rf region by a factor of 1.2. Due to this improved space filling factor, the signal to noise ratio has been enhanced by 16%. Although the sample volume is increased, it is to be noted that the artifact caused by the RF inhomogeneity is very limited. Therefore, an increased sensitivity is expected. CLEAR BLUE GREEN SAMPLE PREP II
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HYPHENATED NMR CLASSICAL: LC-MS EMERGING: LC-NMR NEW WRINKLE : SPE -- LC-NMR-MS
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HYPHENATED NMR – 4 METHODS 1. LC – NMR 2. LC-NMR/MS 3. SPE-NMR 4. CAPILLARY-NMR 5. TUBELESS - NMR
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THE CHEMICAL SHIFT PART I ON TO CHAPTER 3!
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WHAT IS THE CHEMICAL SHIFT?
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lec_5 - LEC FIVE: FINAL VISIT INTRODUCTION TO NMR THEN ON...

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