Wilmad WG-1228-7 Economy 5 mm NMR Sample Tube, 400 MHz, 7" L (Pack of 5)

Product Description 5 mm Economy 5 mm Thin Wall Precision Material ASTM Type 1 Class B Borosilicate Glass ASTM Type 1 Class A Borosilicate Glass Impact on shimming quality by paramagnetic impurities Medium (1200 ppm Fe2O3) Small (400 ppm Fe2O3) Rapid cooling/heating No Yes, within 120 ˚C Max. working temperature Ambient 230 ˚C Sample volume reproducibility 10% 0.50% Cut-off wavelength 320 nm 320 nm Averaged Sample Volume within Rf coil 125 μl/cm 140 μl/cm Outer Diameter 4.947±0.019 mm 4.9635±0.0065 mm Compatible with Small Volume Insert No Yes Recommended Application Routine NMR, Small Molecule, < 600 MHz Magnet, Room Temperature Large Molecule, Variable Temperature, Low Concentration, High/Ultra High Field, Water Suppression, Structure Elucidation Magnet (MHz) For Bruker (7" L) For Agilent (Varian) (8" L) For Bruker (7" L) For Agilent (Varian) (8" L) 1000 542-PP-7 542-PP-8 800 541-PP-7 541-PP-8 700 WG-1242-7 WG-1242-8 600 WG-1241-7 WG-1241-8 535-PP-7 535-PP-8 500 WG-1235-7 WG-1235-8 528-PP-7 528-PP-8 400 WG-1228-7 WG-1228-8 527-PP-7 527-PP-8 350 526-PP-7 526-PP-8 300 WG-1226-7 WG-1226-8 507-PP-7 507-PP-8 200 WG-1208-7 WG-1208-8 506-PP-7 506-PP-8 100 WG-1206-7 WG-1206-8 505-PS-7 505-PS-8 High Throughput WG-1000-7 WG-1000-8 High Throughput WG-1000-7-50 WG-1000-8-50 High Throughput WG-5MM-ECONOMY-7 WG-5MM-ECONOMY-8 From the Manufacturer Wilmad-LabGlass is a leading manufacturer of NMR and EPR sample tubes and accessories, a diverse line of Laboratory Glassware and Scientific Equipment, as well as Precision Engineered Glass, OEM Quartz components and assemblies. Our goal has always been to provide you with superior service, support and technical know-how. In addition, we offer select glass repair services to maximize the life of your laboratory items. Scientists rely on the expertise and artistic skills of Wilmad-LabGlass' engineers and glass specialists to manufacture NMR and EPR consumables and laboratory glassware of the highest quality. Used daily in academia, healthcare and chemical, petroleum and other industrial applications, Wilmad offers 7000+ items as part of their standard catalog as well as custom fabrication for individual glassware, glass repair services and OEM glass parts.