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 1234 5mm NMR Wilmad Economy NMR Tube, 8'', 500MHz,5pcs Price on request 1189 Caps (PE) for 5mm NMR-Tubes, green, 100 pcs Price on request 1195 Caps (PE) for 5mm NMR-Tubes, pink, 100 pcs Price on request