销售PYREX 2103玻璃滴定管

通过ASTM E-287建立了这些滴定管的容量公差，并对其进行了校准。根据ASTM e - 542。从的镗孔油管中小心地取出尖端以确保正确。排水率。这个滴定管有颜色标记，精细，锐利的线条和易于阅读的大数字。截止旋塞管有一个光滑的微表面，以保证防漏性能。每个滴定管提供了一个防尘罩。所有的尺寸都配置了一个2毫米口径的旋塞阀塞。

The capacity tolerance on these burets is established by ASTM E-287 and they are calibrated in accordance with ASTM E-542. Tips are carefully drawn from accurate bore tubing to insure proper drainage rates. This buret has colored markings, fine, sharp lines and large easy-to-read numbers.The stopcock barrel has a smooth micro-finish to assure leak-resistant performance. Each buret is supplied with a dust cover. All sizes are furnished with a 2 mm bore stopcock plug.
​销售PYREX 2103玻璃滴定管

Capacity Grad. Tol. ± Approx. O.D. x
Cat. No. (mL) Interval (mL) (mL) Height (mm) Qty/Cs
2103-10 10 .05 .02 9 x 560 1
2103-25 25 .10 .03 12 x 560 1
2103-50 50 .10 .05 14 x 750 1
2103-100 E 100 .20 .10 18 x 752 1
​销售PYREX 2103玻璃滴定管​

2105 PYREX Brand, Serialized/Certified Class A, Colored Scale Teflon Stopcock Plug
Calibrated to Class A tolerances in accordance with ASTM D-511, E-542, and ASTM E-287.
Each buret is inpidually serialized and supplied with a Certificate of Identification and Capacity,
traceable to NIST standards. This buret has colored markings with fine, sharp lines and large
easy-to-read numbers. Each buret is supplied with a dust cover. All sizes are furnished with a 2 mm
bores stopcock plug.
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