美国PYREX滴定管Class *

美国PYREX滴定管Class *2103-50 PYREX滴定管2103-100

2103 PYREX品牌，彩色刻度，*，Teflon Stopcock插头

通过ASTM e - 287建立这些化管的容忍度，并根据ASTM e - 542进行校准。从精确的钻孔管中小心地抽取提示，以确保适当的排水速度。这个滴滴管有彩色的标记，细的，锋利的线和大的易于阅读的数字。止旋塞筒有一个光滑的微抛光，以确保防漏性能。每一个滴滴管都有一个防尘罩。所有的尺寸都有一个2毫米的孔塞阀塞。

美国PYREX滴定管Class *2103-50 PYREX滴定管2103-100

2103 PYREX Brand, Colored Scale, Class A, Teflon Stopcock Plug
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.

2103-50 PYREX滴定管2103-100

2103-50 PYREX滴定管2103-100