Large Capillary Tubes 100 mm x 1.3-1.5 mm ID 1.6-1.8 mm OD 140/pk Glass Micro Pipettes Both Ends Open AAdvance Instruments

Features & details Features 140 or 280 per pack large glass capillary tubes, 1.3-1.5mm inner diameter, 1.6-1.8mm outer diameter, 100mm length, both ends open.

Convenient packaging with 3mm hole on cap for easy tube drawing without need to open the cap or keeping it open all the time.

As shown in photos, approximate spotting volume as tested for dichloromethane is 8mm x (0.7mm)² x 3.14 = 12µL, for acetone is 13mm x (0.7mm)² x 3.14 = 20µL, and for water is 25mm x (0.7mm)² x 3.14 = 38µL.