

๐ฌ Elevate your NMR game with precision you can trust!
The NMR Economy Sample Tube is a 4.947 mm outer diameter, 7-inch long borosilicate glass tube designed for 400 MHz NMR spectrometers. Manufactured to ASTM E438 Type 1 Class B standards, it guarantees a tight fit in spinner turbines with zero background interference. Each tube undergoes rigorous 100% visual and physical inspection to ensure perfect dimensions and surface quality, making it an essential tool for reliable, high-precision NMR analysis.
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