NMR tubes, diameter 3 and 5 mm, borosilicate glass 3.3, with UV protection These tubes coloured by silver ion diffusion are particularly suitable for handling UV-sensitive substances. The tubes are manufactured from borosilicate glass 3.3 which is conform to USP Type I and ASTM E438, Type I, Class A. They are supplied with a green cap.
Outer diam. 2.95 ± 0.03 mm Int. diam. 2.36 ± 0.03 mm Length 178 mm Wall thickness 0.29 mm |