Caps (PE) for 5mm NMR-Tubes, purple, 100 pcs Back Catalog number: 1191 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1229 5mm NMR Wilmad Economy NMR Tube, 7'', 300MHz,5pcs Price on request 1198 Caps (PE) for 5mm NMR-Tubes, aqua, 100 pcs Price on request 1231 5mm NMR Wilmad Economy NMR Tube, 7'', 400MHz,5pcs Price on request