PYREX 100mL Class A Buret with PTFE Stopcock

The PYREX 2103-100 100mL Class A Buret is precision volumetric laboratory glassware designed for accurate measurement and controlled dispensing of liquids during titration and quantitative analytical procedures. The buret features permanently colored markings with fine graduation lines and large easy-to-read numbers. Its Class A capacity tolerance is established according to ASTM E-287, and Corning states that it is calibrated in accordance with ASTM E-542. A 2mm-bore PTFE stopcock plug provides precise flow control. The micro-finished stopcock barrel is designed for a precision fit and leak-resistant operation. The buret is also supplied with a dust cover. Key Features Genuine Corning PYREX® Exact catalog number 2103-100 100mL nominal capacity Class A accuracy 0.2mL graduations ±0.10mL tolerance Permanently colored scale Fine sharp graduation lines Large easy-to-read numbers 2mm-bore PTFE stopcock plug Micro-finished stopcock barrel Carefully drawn dispensing tip Supplied with dust cover Replacement PTFE plug: 7681-2 Approx. 18mm OD × 752mm height 1/Pack and 1/Case Specification Details Brand PYREX® Manufacturer Corning Catalog Number / MPN 2103-100 Product Type Laboratory Buret Capacity 100mL Accuracy Class Class A Graduation Interval 0.2mL Tolerance ±0.10mL Scale Colored Stopcock Material PTFE Stopcock Bore 2mm Approx. Outside Diameter 18mm Approx. Height 752mm Calibration Standard ASTM E-542 Capacity Tolerance Standard ASTM E-287 Replacement Stopcock Plug 7681-2 Quantity/Pack 1 Quantity/Case 1