Sapphire NMR Tubes Diameter 5mm/10mm Length 100mm/Custom lengths

Sapphire NMR Tubes Diameter 5mm/10mm Length 100mm/Custom lengths

Abstract

A sapphire NMR tube is a specialized nuclear magnetic resonance (NMR) tube made from sapphire material (aluminum oxide, Al₂O₃). Unlike conventional glass NMR tubes, sapphire NMR tubes offer several advantages, especially in high-temperature, high-pressure, and strong magnetic field environments.

Common Sizes of Sapphire NMR Tubes

1.Diameter:

5 mm: This is the most common size, suitable for small sample volumes and general NMR analysis.

10 mm: A larger diameter, typically used for experiments requiring a larger sample volume.

2.Length:

100 mm (standard length): The most common length for general NMR applications.

Custom lengths: Sapphire NMR tubes can also be customized in lengths, generally ranging from 100 mm to 200 mm, depending on the experimental needs.

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Characteristics of Sapphire NMR Tubes

1.High Strength and Durability: Sapphire is known for its exceptional hardness and strength, which makes it resistant to mechanical stress and breakage, providing a more durable alternative to traditional glass tubes.

2.High Temperature Resistance: Sapphire can withstand extremely high temperatures, making it suitable for NMR experiments that require elevated temperatures.

3.Magnetic Field Stability: As a non-magnetic material, sapphire does not interfere with the strong magnetic fields used in NMR instruments, providing a more stable experimental environment.

Chemical Stability: Sapphire is chemically inert and resistant to corrosion, making it ideal for experiments with reactive or corrosive chemicals.

4.Optical Transparency: Sapphire NMR tubes are highly transparent, which can be beneficial in experiments that also require optical detection or analysis.

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Applications

1.High-Temperature and High-Pressure Experiments: Sapphire NMR tubes are suitable for experiments conducted under extreme conditions, such as high temperatures or pressure, where traditional glass tubes might fail.

2.Corrosive Environments: Due to its chemical stability, sapphire NMR tubes are ideal for use in experiments involving highly reactive or corrosive substances.

3.Precision Analysis: The stability and durability of sapphire tubes ensure more accurate and reliable results, especially in experiments that require precise measurements or repeated testing.

Q&A

Q:What Factors Should Be Considered When Choosing the Size?

A:1.Sample Volume: A 5 mm diameter tube is suitable for smaller sample volumes, while a 10 mm tube is better for larger samples.

2.Magnetic Field Requirements: Some NMR experiments may require specific tube sizes to ensure uniformity of the sample in the strong magnetic field.

3.Experimental Conditions: The tube size might affect the performance of the experiment under extreme conditions such as high temperature or pressure.

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