Suprasil® Quartz 5 mm | 7 Inch | 500 MHz NMR Sample Tubes - 1 Per Pack SKU S-5-500-SQTZ-7 $116.89 (0)No Reviews yet Available to Order Quantity -+ Add to Cart Details Suprasil® Quartz NMR Sample Tubes, 1 Pack 5mm500MHz7" (178mm)Recommended for Boron NMR [< 0.01 ppm Boron] and/or UV catalyzed reactions in the region ... Details Back DetailsSuprasil® Quartz NMR Sample Tubes, 1 Pack5mm500MHz7" (178mm)Recommended for Boron NMR [< 0.01 ppm Boron] and/or UV catalyzed reactions in the region above 190nm [90%T @ 190nm]. Ratings & ReviewsNo reviews availableBe the first to Write a Review