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Kontes Seal Off 5mm NMR Tubes

Kontes Seal Off 5mm NMR Tubes

Seal-Off NMR tubes provide the best security against sample degradation during the investigation of volatile, air-sensitive, or toxic compounds. Constriction opening is 0.5 to 2.0mm and is located 1.8" from the cap end of the tube, leaving a 7.2" long tube after seal-off. Tubes are supplied with a polyethylene cap and have a sandblasted marking spot for easy identification. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

  • OD 5mm
  • Wall thickness .375mm
Cat.No. Name Approx MHz Length Camber T.I.R. Concentricity T.I.R. CS    
186-897750-0235 Seal Off 5mm NMR Tubes >800 7.2" 0.00015" 0.0002" $124.04
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186-897750-0240 Seal Off 5mm NMR Tubes >400 7.2" 0.00025" 0.0005" $162.14
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186-897750-0245 Seal Off 5mm NMR Tubes >360 7.2" 0.0005" 0.0010" $256.17
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