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 1231 5mm NMR Wilmad Economy NMR Tube, 7'', 400MHz,5pcs Price on request 1233 5mm NMR Wilmad Economy NMR Tube, 7'', 500MHz,5pcs Price on request 1189 Caps (PE) for 5mm NMR-Tubes, green, 100 pcs Price on request