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 1194 Caps (PE) for 5mm NMR-Tubes, yellow, 100 pcs Price on request 1235 5mm NMR Wilmad Economy NMR Tube, 7'', 600MHz,5pcs Price on request 1188 Caps (PE) for 5mm NMR-Tubes, blue, 100 pcs Price on request