NMR toube - Names and Identifiers
NMR toube - Introduction
The nuclear magnetic tube is mainly used for nuclear magnetic resonance (NMR) experiment device. It consists of a long, thin glass or quartz tube with a precise coil system perpendicular to the magnetic field. Nuclear magnetic tubes are usually hermetically sealed to maintain an internal vacuum or inert gas environment.
The main properties of the nuclear magnetic tube include:
1. Highly accurate magnetic field: The coil system inside the nuclear magnetic tube can generate a highly stable and uniform magnetic field for accurate nuclear magnetic resonance measurement of the sample.
2. high temperature resistance: the material of the nuclear magnetic tube is usually able to withstand high temperature, in order to meet the needs of some experiments that need to raise the temperature.
3. highly sensitive detection: the sample in the nuclear magnetic tube can be excited by radio frequency pulses, and the signal generated by the sample can be detected by the receiving coil.
the use of nuclear magnetic tube mainly includes:
1. structural analysis: nuclear magnetic resonance can be used to determine the structure of compounds, including organic molecules, complexes, polymers and other structural characterization.
2. Kinetic study: By monitoring the intensity and frequency changes of nuclear magnetic resonance signals, the interactions between molecules, the rate of chemical reactions, and kinetic parameters can be studied.
3. chemical quantitative analysis: nuclear magnetic resonance can be used to determine the substance content, purity and reaction conversion rate.
The preparation method of nuclear magnetic tube mainly includes:
1. Glass manufacturing: Nuclear magnetic tubes can be made by glass blowing or drawing.
2. quartz manufacturing: nuclear magnetic tube can also be made of quartz material, this system can improve the efficiency of nuclear magnetic signal transmission.
In the use of nuclear magnetic tube need to pay attention to the following safety information:
1. it is strictly prohibited to contact the strong magnetic field: the internal magnetic field of the nuclear magnetic tube is strong, which may cause damage to the body, so it should be prohibited to contact the strong magnetic field area.
2. Avoid sample poisoning: When conducting nuclear magnetic resonance experiments, you should pay attention to using samples that meet safety standards to avoid the harm of toxic substances to the human body.
3. Avoid heat damage to the sample: The sample may need to be heated in the nuclear magnetic resonance experiment. Attention should be paid to the temperature control of the sample to avoid heat damage caused by heating the sample.
In general, the nuclear magnetic tube is a device used in nuclear magnetic resonance experiments. It has a highly accurate magnetic field, sensitivity and stability, and can be used for structural analysis, dynamic research and chemical quantitative analysis. Attention should be paid to safety matters during use to ensure the smooth progress of the experiment.
Last Update：2024-04-09 20:49:11