Caps (PE) for 5mm NMR-Tubes, blue, 100 pcs Back Catalog number: 1188 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 1231 5mm NMR Wilmad Economy NMR Tube, 7'', 400MHz,5pcs Price on request 1234 5mm NMR Wilmad Economy NMR Tube, 8'', 500MHz,5pcs Price on request