Copied 3 mm Thin Wall NMR Sample Tube, 7", 500MHz
3 mm Thin Wall NMR Sample Tube, 7", 500MHz
Wilmad-LabGlass, 328-PP-7-5, 3 mm Thin Wall Precision NMR Sample Tube, 7", 500MHzFeatures:NMR Precision Tubes are manufactured from borosilicate glass that meets the requirement of Type 1 Class A glass from ASTM E438.Has 3 fold less paramagnetic contamination comparing to the Economy tube, and can be operated safely at temperature up to 230 °C, and within a temperature step of 120 °C.Precision tube is rated as hydrolytic class 1, which states that the inner surface is resistant to strong acid and base at ambient temperature.Wilmad-LabGlass is adopting a unique precision shrinking and grinding process to shape the inner surface with maximized filling factor (10% more than Economy tube), and a tight ID and OD tolerance as small as 0.0065 mm. None of competitors are capable to offer even close products. Each of individual NMR tubes released into the market has been manufactured in the state-of-art facility in the United States and passed multiple NIST traceable gauge control and optical surface defect checks.Note 1: Impact on shimming quality varies upon magnetic field strength. Economy tube is recommended for 1D low field experiments.Note 2: Sample volume reproducibility refers to the maximum volume fluctuation when filling different NMR tubes to the same sample height. This number correlates to the reproducibility of time domain signal amplitude between different runs. ... Show More Show Less
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