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Bruker NMR User Manual

Bruker NMR
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NMR Thermometer
Variable Temperature Control Using the 2H Lock
System of AVANCE III HD Spectrometers
User Manual
Version 002
Innovation with Integrity
NMR

Table of Contents

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Bruker NMR Specifications

General IconGeneral
BrandBruker
ModelNMR
CategoryThermometer
LanguageEnglish

Summary

NMR Thermometer

Introduction

Principle of NMR Thermometer

Requirements

Getting Started

The edlock Menu

Introduction to the software implementation for configuring solvent and lock parameters.

Setting up the NMR System for the NMR Thermometer

Guidance on system setup, including lock, shimming, and parameter optimization for the thermometer.

Examples

Demonstrates practical usage scenarios, starting with a methanol sample for calibration.

Monitoring Mode

Details the steps and interface for observing temperature and system parameters in real-time.

Regulation Mode

Explains how to enable and use the temperature regulation feature for experiments.

Advanced Operation

Define a New Solvent

Procedure for adding custom NMR thermometer substances and their parameters to the edlock table.

Selection of NMR Thermometer Compounds

Guidance on choosing suitable compounds for temperature measurement based on properties and applications.

Predefined Solvents for the NMR Thermometer

Lists pre-calibrated solvents and their specific compositions for NMR Thermometer usage.

Technical Considerations

Discusses important factors like signal-to-noise ratio and intensity ratio for reliable measurements.

Considerations for Shimming with Topshim

Instructions on adapting the shimming routine for new solvents or specific experimental setups.

Applications

Identical Chemical Shifts at Different Spectrometers

Demonstrates using the NMR Thermometer as an internal reference for accurate temperature correction across spectrometers.

Identical Chemical Shifts for Experiments with Different Heating due to Experimental Conditions (Temperature Compensation)

Explains the ability to compensate for sample heating from RF or spinning speed during experiments.

RF Heating

Details how the NMR Thermometer compensates for heating caused by RF pulses in sequences like TOCSY.

Heating caused by Spinning Speed (HR-MAS)

Covers compensation for frictional heating in HR-MAS experiments due to varying spinning speeds.

Frequently Asked Questions (FAQ)

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