These PYREX® glass round bottom Test Tubes are made of borosilicate glass to reduce pH change and contaminants potentially leached from soda-lime glass. Tubes are well annealed, resistant to heat, and chemically stable. Glass tubes featuring beaded rims are fire-polished. These tubes feature a white marking spot.
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| 37A38 |
13x100mm Test Tubes, Pyrex Glass, Round Btm, 9ml Vol, White Marking Spot, Rimmed, Pyrex® 9800-13 (Pack 24) |
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| 37A50 |
13x100mm Test Tubes, Pyrex Glass, Round Btm, 9ml Vol, White Marking Spot, Rimmed, Pyrex® 9800-13 (Pack 72) |
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| 37A5 |
13x100mm Test Tubes, Pyrex Glass, Round Btm, 9ml Vol, White Marking Spot, Rimmed, Pyrex® 9800-13 (Case 720) |
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